Gy6 Weak Spark

I know I’m jumping in on this one a little late from when you first posted…but I had the same symptoms on my 06 Honda Rincon. 4mm and a stroke of 57. Lack of spark or a weak spark can make your scooter not to run. Treat mild cases with a high quality fuel-injector cleaner additive. Weak Spark If the Air/Fuel mixture getting to your engine seems fine, then you may be looking at a weak spark. Spark Plug; Timing and CDI's. used to be weak. These mentioned symptoms can be confusing and one has to be careful before concluding that the problem is with the CDI. Timing Chain Warning: A too-tight timing chain causes undue friction (binding) and wear. See more ideas about Chinese scooters, Scooter parts and 125cc scooter. Monster Scooter Parts carries a wide range of parts including entire mini bike engines for the most popular models. A replacement Rotor for GY6 4 stroke engine, Weak magnetization can cause faulty running, and damaged rotors can cause severe engine damage and noi. Crankshaft end play zeroed drive. The CDI goes bad because of different reasons. When I first checked the CDI with a multimter after getting a weak spark, I had 65 volts going to it, and 45 volts at the coil and then a strong spark (seemingly just from checking). I am getting a lot of people asking me, if their scooter has a restricted CDI, how to check if it is restricted and how to derestrict it. But you need a MULTI METER to test your electrics. Don't try to overthink it, swap the coil/wire from the bad scooter onto the good one, if that's fine it's most likely either the stator or the R/R. You may have to register before you can post: click the register link above to proceed. Shop from the world's largest selection and best deals for CDI Units Quad, ATV and Trike Parts. hello i have a crf 450 2008 looking for some advice on, basically my bike has no spark and no voltage coming through the ht lead, i have had the stator refeshed and made no difference any ideas would be very helpful thanks. The principal ones are the coils, plugs, plug wires / caps, ballast resistor, points and dual condenser. The strange thing is that spark still seems weak (not that resounding blue one) but the bike is working really good. Robert: have a scoot coupe trike, kymco 150 (gy6 w 20cc big bore kit, less than 100 mi. Checked another time, weak spark, but consistent voltage going to both coil and CDI. TAKE NOTE: if your engine "turns over", in other words makes the r---rrrr---rrrr sort of noise it normally makes when you turn the key all the way to "start", YOU DO NOT HAVE A STARTER PROBLEM. I run a Stihl 028 AV Super, and it is using a lot of plugs and clogging up the muffler screen quite easily. com offers 164 spark booster products. My question would be: is it possible to have correct resistance and the charge below standard value at the same time?. Wipes off your finger as sooty and back. Most of the time this air is supplied through the engine air filter. 3V and 5V microcontrollers. 30 Day Warranty. I devised this system when the stator on my Honda XR-100 got so weak that it couldn't power the spark plug, preventing the engine from running. If you are getting a spark and you are getting gas to the carburetor and the engine is turning over on the starter OK, it's possible that the electrically operated automatic choke has failed. There's a million ways to put it I guess BUT it's ALL just the same, what differentiates it all is the limitations as well as the vehicle it's going into. It's why Kawasaki Engines have a better reputation than any competitor. 193 thoughts on "Go Kart Engine Overview From Cheap to Best" is very weak and does Not have the power to really pull my kids. Use a spark plug wrench with an extender. * If the vehicle is left unused for more than say 7 hours then the engine oil temperature will decrease. Then consider registering so that you may make posts, and view the additional content available. The cross references are for general reference only, please check for correct specifications and measurements for your application. This causes poor acceleration and makes your car fail to maintain constant speed. Remove the spark plug. September 12, 2007 / 9:47 AM / AP Ongoing weakness in the housing market will push the national economy to the brink of recession, but growth in other. ? Your engine "should be" a 50cc GY6,far as I can tell. Valve clearance is good, everything inside looks perfect. That kinda makes sense - a fat spark would ignite fuel in up to the worst conditions, but a wimpy spark would need "perfect" conditions to get the show on the road. Just want spark or aeon will be soaked in gas and lit. If you work the kick lever by hand does the engine fight you hard or does it spin real easy? If it's easy, then I would take the head off and look at the valves. 3) Spark plug: Always rejet with a fresh plug, the old plug will have color from how the engine ranbefore the rejetting process. i just had to remember to change it back once the warmer weather came. By changing the timing of the spark, it is sometimes possible to increase power and torque of an engine. There are several ways to determine if your car has a weak coil pack. Checking it again, no spark and no voltage at the coil. Either way, a spark which only intermittently fails to ignite the fuel-air mixture may not be noticeable directly, but will show up as a reduction in the engine's power and fuel. 101 Octane Box Type Stop Light Switch (left side) for rear disc brake for GY6 50/125/150cc $. If you have not been opening the throttle, check for spark. Free shipping on orders of $1,000 or more!. 193 thoughts on "Go Kart Engine Overview From Cheap to Best" is very weak and does Not have the power to really pull my kids. Wipes off your finger as sooty and back. com/parts_ Does your scooter have no spark and wont start? This is a how to video. You should get some kind of spark, although if you turn slowly the spark may be weak. e seat to fail and consequently, the valves; To help prevent this type of failure, there are a few things you can do. A solenoid is a simple electro magnet that uses battery voltage as the power source to activate contacts and a spring to de-activate contacts. I got into the same trouble with one of mine. pdf: balance is a crock sleep is for the weak eschliman amy oshirak leigh. A weak spark will make the engine run rich. TAKE NOTE: if your engine "turns over", in other words makes the r---rrrr---rrrr sort of noise it normally makes when you turn the key all the way to "start", YOU DO NOT HAVE A STARTER PROBLEM. 005" exhaust) and you must have a strong spark. There are several ways to determine if your car has a weak coil pack. Won't start the engine. I do have problem with weak spark on my GY6 125cc. Rear brake lights do nothing when brake is applied. • Inspect the spark plug gap, it should be about 0. It's why Kawasaki Engines have a better reputation than any competitor. This GY6 pickup coil only measures 20mm by 20mm at the square part so its very small. The basic rundown is this: Stator/trigger wire -> CDI -> Ignition Coil -> Spark plug. Alternative, remove spark plug and run starter 3-4 times to remove excess fuel. Visit our site to learn about our product range and how it can improve your driving experience. If I let it sit, then it will start fine the next time, but still has the same problem with keeping running. GY6 125cc 150cc Cap of Spark Plug MIGY125-3078B. I just installed a NGK spark plug and i took the whole carb apart and cleaned it inside and out. Since our beginning in 1989, Scooterworks has become a major supplier of parts and accessories for vintage and modern scooters. That's unusual with new parts the spark should not be weak. Using a Different I/O Voltage (SJ2) By default, the BMP180 breakout board is set up to have the I 2 C bus communicate at 3. It is best to check the resistance of the parts in question. A solenoid is a simple electro magnet that uses battery voltage as the power source to activate contacts and a spring to de-activate contacts. It is a choke that has an extending needle. We’ve compiled a list of every place to ride your ATV and UTV deep in the muddy heart of Texas. This will repeat as long as the engine is warm enough and there isn't excessive engine load. I then tried starter fluid in the carb and that didn't work. When checking for a spark the performance of the Cdi (capacitor discharge ignition), stator coil and the ignition coils are the three major items that can help you identify the source of the lack of spark. LESSEN THE RISK OF ANXIETY AND PANIC ATTACKS WITH THIS PARTICULAR GREAT ADVICE. The first thing to do is remove the spark plug and take a look at it. Weak spark? Behold and lo, the was the wimpiest pale spark you've ever seen; it would have battled to fight it's way out of a wet paper bag. Hi, Andres there is no such thing as a "WEAK SPARK" even though dozens of riders will swear that's what they have and are dying to show you, the bottom line is either you have spark or don't have spark there is nothing in between. The stator on my model happened to be discontinued, and I didn't want to buy a used one for over $100 when this particular stator is known for being weak and prone to failure. Here you will find your mini bike carburetor, tires, tubes, drive chain, and a vast array and other mini bike parts and accessories. ) Without doing a lot of testing, the safest assumption is that the ideal tooth is a right triangle shape with the tip just slightly blunted (to about 1/8" or 3mm on the flats) by a lathe to make it a little safer and true it all up. Chinese ATV Parts, Kazuma ATV Parts, Sunl ATV Parts, Cool Sports ATV Parts, Roketa ATV Parts, BMX ATV Parts, RedCat ATV Parts,. Performance Ideas :-* The battery was weak and it started but wouldn't run like the carb wasn't getting. Triumph GT6 mk3 - Full years MOT. Carbon is a conductor of electricity and getting considerable carbon buildup from a rich condition with ground the inner electrode down the positive insulator. hard blue (hot) spark yes. Share Thread. e seat to fail and consequently, the valves; To help prevent this type of failure, there are a few things you can do. Ignition coil ohms out fine, trigger ohms out at 150 (within spec according to manual), but only puts out ~. 1 injectors. Signals, reverse, and day lights all work. After hooking it up correctly, the engine turns over fine, but there is no spark. 27 people found this helpful. Also for: Gx25, Gx35. • Spark plugs should be inspected when an engine performance problem occurs and should be replaced regularly to ensure proper ignition system performance. GY6 Stators GY6 8-coil 150cc Stator AC current (3-pin Small Plug,, 2 loose wire) also fit some GY6 50cc) 29mm diameter, 2bolt hole, 41mm bolt hole spacing $30 Free ship GY6 50cc 8-coil Stator (3-pin Large Plug, 2 loose wire) 29mm diameter, 2bolt hole, 41mm diagonal bolt hole spacing $32. He said the stater motor is spinning but not engaging with the engine so I can't see how it can be the battery. Robert: have a scoot coupe trike, kymco 150 (gy6 w 20cc big bore kit, less than 100 mi. Testing a Cranks but does Not Start Condition on your GM 4. Commonly used on GY6 4-stroke engines sizes 50cc-150cc. I have a 2014 jonway 150cc gy6, and the bike sat for 2 years under a flight of wooden stairs… i drained all the old gas out and put 93 octane gas inside. Scooterworks is a comprehensive resource for modern Vespa riders, Honda Ruckus customers, Yamaha Zuma racers and the thousands of commuters and students zipping through traffic on GY6-engined Chinese scooters. Race fuel is a high Octane fuel. Hi, Andres there is no such thing as a "WEAK SPARK" even though dozens of riders will swear that's what they have and are dying to show you, the bottom line is either you have spark or don't have spark there is nothing in between. Re: G16 intermittent weak spark Cart ran for awhile after installing parts, could something in the starter generator have caused the new coil to burn up, barely any spark without plug cap none with cap and plug. 150cc gy6 performance upgrades tips This page will look at ways to modify and increase the performance of gas scooter engines, which are now being used in go-karts. Commonly used on GY6 4-stroke engines sizes 50cc-150cc. This causes poor acceleration and makes your car fail to maintain constant speed. The main reason that early morning starts don't turn out to be a pleasant experience is due to the following factors. My question would be: is it possible to have correct resistance and the charge below standard value at the same time?. An inlet hose connects to a filtered air source. I put a 11 pole stator and 11 pole flywheel on it with the included pulse generator and it fired right up. Either way, a spark which only intermittently fails to ignite the fuel-air mixture may not be noticeable directly, but will show up as a reduction in the engine's power and fuel. i have a 1985 honda 250 elite scooter no run condition it has a vary weak spark i tryed a coil it didnt help any ideas thank you this engine is a gy6 250cc cloned. Buick has just published the RPO (Regular Production Option) codes for the 2012 Regal. com offers 164 spark booster products. This is used to supply clean air that is drawn through the engine. • Many spark plugs have a service life of over 20,000 miles (32,000 kilometers). 1) If it is a 1 wire coil, it needs to be grounded to the frame to fire the spark plug. Most of the time this air is supplied through the engine air filter. Bank stocks, which make up a significant portion of major indexes, were particularly weak in this environment. The spark plug must be cleaned, and must be replaced promptly when signs of wear begin to show. When I started trouble shooting this problem I did not understand how the ignition system on the GY6 engine works. I was at a stoplight idling and my 2009 Buddy 125 with 6k miles just died and I could not restart it. The plug wire runs from the ignition coil to the plug cap. My brother installed a radio in a Ferrari many years ago and was amazed to find it only worked when the parking brake was on. Well I stupidly hooked up my new battery backwards to the 550 i just bought. But you need a MULTI METER to test your electrics. Ignition troubleshooting will be covered in detail on another page. Thank You I haven't read the other posts but I'm sure they are good. 002 seconds to a whopping. Then consider registering so that you may make posts, and view the additional content available. But if u seen the inside of flywheel idk if a coating of crap will stop spark. Rotate the flywheel until you feel suction of the piston on the intake stroke stop. After soaking for a few minutes, the spark plug should easily unscrew. I went ahead and ordered the cdi. Afterfire occurs after the engine has been shut off. 1994 and newer Honda Elite performance parts and replacement parts. Try using starting fluid to aid the starting process, spray a little into the carburetor. This will repeat as long as the engine is warm enough and there isn't excessive engine load. This symptom does not automatically mean that low compression is the culprit. The spark advance plate got stuck in the advance position so it. In order to perform the check we should follow the following steps: Ride the scooter warm. Since the resistance is higher on the GY6 this indicates a few more wrappings meaning it will give a stronger voltage so the CDI will be able to read it easier. Half of the coils provide positive and negative AC pulses to power the lights. Share Thread. I only got involved because it's my neighbors kids. The gasket fits between that intake pipe and the cylinder heads in the engine, and its main purpose is to reduce the chance of air leaking out, which can hurt the car’s efficiency. gy6 150cc engine diagram. If you get an 1/8" or so of spark, that should be enough to fire. Some common causes of weak or poor spark can be a failing or faulty coil winding, faulty plug cap or plug wire, failing coil, improper ground etc. This coil is installed on most 50cc 2-stroke and 50cc/125cc GY6 4-stroke scooters along with Peugeots, Kymco's and many other makes and models. Buy X-PRO NGK C7HSA Spark Plug for 50cc 70 cc 90cc 110 cc 125cc 150 cc ATV Dirt Bike Go Kart Scooter Mopeds Pit Bike Dune Buggy Quads 4 Wheelers Roketa Taotao Jonway SSR Coolster Sunl: Spark Plugs - Amazon. 193 thoughts on "Go Kart Engine Overview From Cheap to Best" is very weak and does Not have the power to really pull my kids. Universal Parts 150cc 4-Stroke Long-Case GY6 Gas Engine with automatic CVT transmission is the top of the line aftermarket replacement engine available in the marketplace. How the PCV system works. To check for this condition observe the operation of the seat control switch if it doesn't return to it's neutral position or is sticking in one position replace the switch. Low idle fuel setting too lean. How Do You Bypass a CDI Box? You can bypass a capacitor-discharge ignition (CDI) box temporarily for troubleshooting purposes. Use a spark plug wrench with an extender. Fit's most AF16 and AF18 engines, Kymco SC10 ZX50 engine, DD50 engine, DIO etc. Stocks Lose $500 Billion in Three Days, as Fed's Impact Appears to Fade. Match the camshaft to not only the engine displacement and rpm band, but also the cylinder head's airflow characteristics and exhaust system. The basic rundown is this: Stator/trigger wire -> CDI -> Ignition Coil -> Spark plug. Lubing things up with Armor All and warming things up gently with a hot air gun can help. Find a large selection of Batteries & Accessories in the Auto & ATV department at low Fleet Farm prices. Testing your Ignition with an Oscilloscope. used to be weak. Part of the reason for this is that a spark cannot travel so far in the compressed air atmosphere of the cylinder. It is best to check the resistance of the parts in question. It's a "Mountaineer RTV-150" with a GY6 150cc motor. for the engine to run properly. ASR subframe reinforcement braces for most of the popular Honda vehicles. The valves must be adjusted properly (. No spark in plug, no spark from plug wire. Wipes off your finger as sooty and back. You won't see a dirtbike spark really well, and people only look at it when they have a problem. This cap will. Checked ohms on the stator (within specs), the crank sensor (within specs), and the coil (within specs). Ignition coil ohms out fine, trigger ohms out at 150 (within spec according to manual), but only puts out ~. However, the source. Made from raw high-quality stainless steel, no rust!!! The brace comes machined stainless steel, ready for you to Powder Coat, Paint, Anodized, Polish or finish however you'd like. It cranks over but sounds like it is cranking slowly. I bought scooter from them before, quality not good. or there is an a gasket on the intake leaking sucking air. 0 Weak mixture may be caused by a blocked jet as well. Anyone know what the resistors are for? It doesn't make sense to me since it has a voltage regulator. This will put a load on the ignition coil and simulate the conditions the spark plug must fire under while inside the engine. Yes it is carbed. Timing looks good. Ignition troubleshooting will be covered in detail on another page. First i had weak spark and replaced it and the second time i had no spark. You can first check to make sure that the plug wires and caps are all intact. Below is a chart of common Engine problems and some easy troubleshooting to fix the problem you may be experiencing. The stator on my model happened to be discontinued, and I didn't want to buy a used one for over $100 when this particular stator is known for being weak and prone to failure. Yes it is carbed. Off Topic Section. I’ve just taken it out of inside winter storage, and when I crank the engine it turns over very slowly. Testing a Cranks but does Not Start Condition on your GM 4. The stock yamaha pickup coil specs are 90-130 ohm and the GY6 Coil has a rating of 80-150 ohm. If the scooter starts, it must be getting some sort of spark, but the spark may be weak or there may be a problem with the ignition timing. If you get an 1/8" or so of spark, that should be enough to fire. A coil pack is a pack of ignition coil generally located in the top area under the hood, above the engine. 004" intake,. Buy X-PRO NGK C7HSA Spark Plug for 50cc 70 cc 90cc 110 cc 125cc 150 cc ATV Dirt Bike Go Kart Scooter Mopeds Pit Bike Dune Buggy Quads 4 Wheelers Roketa Taotao Jonway SSR Coolster Sunl: Spark Plugs - Amazon. Spark plug gap for roketa 50cc limited edition Apr 27, 2009 I anticipate that the spark plug may be bad as actual Owners Manual in a rather the spark plug is on Roketa MC-17-50 50cc scooter I looked Scooter forum and messageboard by scooter White/red > is the wire that tell CDI to spark I will be running manual choke soon anyway. Even a yellow spark should start your scooter just fine. If the igniters control angle in your bike is too small, the best. I thought having no spark would be a simple and relatively cheap fix. On my Honda GY6 China clone 150cc four stroke scooter it so close to a real one. Is the spark bluewhite, or redish orange, if the latter it could be bad coil, wires, plugs or points out of adjustment. Electric clutch dragging. Backfire is a condition described as a loud bang, poof, explosion, etc. If you are having a no-spark problem, a good place to start after ruling out shorts, grounds, switches and spark plugs, is the ignition coil, spark plug caps and wires. That kinda makes sense - a fat spark would ignite fuel in up to the worst conditions, but a wimpy spark would need "perfect" conditions to get the show on the road. You can also set the spark plug gap (temporarily) out to. What does all this have to do with electronic ignition? Most electronic ignitions require a full 12 volts to give out a good spark. style no special with others china maker. Performance Ideas :-* The battery was weak and it started but wouldn't run like the carb wasn't getting. Alternative, remove spark plug and run starter 3-4 times to remove excess fuel. You can asily verify this by derailing the rear (drive) chain and spinning the "disconnected" timing ring and cranksets. Get $25 off any order over $200 (no including shipping or sale items). At first you say you swapped out the coil/wire, so you've ruled that out, then in your next post you say you suspect it's the coil. I go through a plug only after maybe 20 hrs (or at least, it will be much easier to cold start with a new plug). What I havean off-brand Chinese buggy. Bad clutch symptoms come in different forms—from odd sounds, to poor performance, to mechanical problems. Symptoms of a timing belt that has jumped/skipped a few teeth: One Tooth: It will idle like normal and the exhaust will sound fine but cruise and WOT the car will feel like you've got no power and in most cases will hesitate and misfire. If you have not been opening the throttle, check for spark. Engine Sputter Since the information relayed by the crankshaft sensor into your car’s on-board computer is used to determine the proper spark timing, a bad crankshaft sensor will relay wrong readings into the computer,. It's supposed to operate when the engine is cold, but if it's stuck or burned out, the mixture will be weak and the scooter probably won't start. Bank stocks, which make up a significant portion of major indexes, were particularly weak in this environment. Rear brake lights not working 10 Answers. You won't see a dirtbike spark really well, and people only look at it when they have a problem. Spark Plug; Timing and CDI's. i have 27 hp kawasaki motor on my 60" exmark and it gets bogged down very easily. GY6 125-150 / 157QMJ Gaskets & Templates. The North Rim of the Grand Canyon is a picturesque, little traveled area that makes the perfect camping spot for off-roaders. The aeon had weak spark to begin with. I thought the problem was in the carburetor, but after going through the carb I checked the bike for spark. Gordon and Starspangled 6. If you are having a no-spark problem, a good place to start after ruling out shorts, grounds, switches and spark plugs, is the ignition coil, spark plug caps and wires. Alternative, remove spark plug and run starter 3-4 times to remove excess fuel. I read somewhere that ignition with transistors and etc sometimes do not show a strong spark in testing conditions. hello i have a crf 450 2008 looking for some advice on, basically my bike has no spark and no voltage coming through the ht lead, i have had the stator refeshed and made no difference any ideas would be very helpful thanks. The aeon had weak spark to begin with. Verify carburetor is set to stock settings: Idle mixture screw, 11/4 turns from lightly seated. Checking it again, no spark and no voltage at the coil. Makes sense. Spark plug has no fire to it. A solenoid is a simple electro magnet that uses battery voltage as the power source to activate contacts and a spring to de-activate contacts. Remove spark plug, reinsert plug in the cap and place the plug against the cylinder head. GY6 125 -150cc, 4-Stroke, (152QMI 152QMJ 157QMI 157QMJ) The 152QMI (GY6-125) & 157QMJ (GY6-150) (QMI152 QMJ157) is a horizontal, single-cylinder, four stroke, forced air cooled engine. I have to put the coil wire no more than a 1/8" from a ground source just to see the spark. Replace damaged flywheel, or use this type of flywheel with the 5-1/2" stator to convert a K181 engine with a stator containing a failed magneto ignition coil integrated with a weak output 10 amp charging coils under the flywheel to the battery-powered ignition system. 2007 Audi A3 Spark Plug Manual PDF : Briggs And Stratton Repair Manual Model 287787 PDF : Ross Introduction Statistics Solution Manual PDF : Wiley Real Anatomy Sheet Answers PDF : Srt 4 Engine Wiring Harness Diagram PDF : Xtremepapers Gcse Chemistry 5070 PDF : Modern Chemistry Chapter 3 Test Answer Key PDF : Thermal Engineering Rajput PDF. Alternative, remove spark plug and run starter 3-4 times to remove excess fuel. Valve clearance is good, everything inside looks perfect. Commonly used on GY6 4-stroke engines sizes 50cc-150cc. The plug wire runs from the ignition coil to the plug cap. Good spark plugs will burn fuel efficiently, while bad or failing spark plugs can cause the motor not to start at all. Truck box with lights harness was removed last summer and tarped in. I don't believe any amount of over tightening will cause a timing chain to break. Weak spark? Behold and lo, the was the wimpiest pale spark you've ever seen; it would have battled to fight it's way out of a wet paper bag. High quality, fourth generation green racing clutch, from NCY. Don't try to overthink it, swap the coil/wire from the bad scooter onto the good one, if that's fine it's most likely either the stator or the R/R. We won't go into great depths on how the CDI produces the spark, or how electricity works in general (we are only interested in getting the spark to happen at the appropriate time) but I will glance over the important parts that relate to the timing. If you notice any of the above warning signs, take action and contact a mechanic ASAP to fix the bad or failing vacuum hoses. First of, I want to explain why CDI’s are restricted in the first place. That's unusual with new parts the spark should not be weak. The spark advance plate got stuck in the advance position so it. Replacement Cost of Piston Rings. 99 Add to cart. The A Spec Racing subframe Brace strengthens your subframe, preventing it from tearing behind the mounting hardware of a large-diameter sway bar by enlarging the contact region between the two as well as limiting torsional force on the subframe sheet metal. He said the stater motor is spinning but not engaging with the engine so I can't see how it can be the battery. However, the source. Bike has very weak spark that goes away after a few seconds of cranking. Date published: 2016-10-24 Rated 5 out of 5 by Hector from Great deal I modify for use in gy6 scooters and works great !!. A bad spark plug can cause many problems. What we will do on this page is get into very basic wiring. Thanks Alley oop, you posts are like gold and Im sure there are a bunch of scooter owners that owe you one on here, me inluded thanks I will get a multi-meter today, I had one but my tools got stolen a while ago, I work as a scooter tech helper, so this is embarrasing but challenging to me, as my experience with electrics has some background but not enough. any time you need the choke on for the engine to run you are shutting down the air flow because there is not enough fuel getting to the cyl. Donate: https://paypal. A camshaft with too much overlap (intake and exhaust open at the same time) will cause strange mixture flows at lower engine speeds, especially if the cam was designed to be efficient at 5000 or 6000 rpm versus 3000 rpm or so. Fit's most AF16 and AF18 engines, Kymco SC10 ZX50 engine, DD50 engine, DIO etc. Performance Ideas :-* The battery was weak and it started but wouldn't run like the carb wasn't getting. Racing Performance Coil+Spark Plug+CDI Box For GY6 50cc-150cc Stroke Engines ~ this produced a weak spark after 4 hrs of use had to replace it with standerd one. A white color is less strong, and a yellow color is weak. com FREE DELIVERY possible on eligible purchases. Check the spark plug for sign of wear and tear. By changing the timing of the spark, it is sometimes possible to increase power and torque of an engine. LESSEN THE RISK OF ANXIETY AND PANIC ATTACKS WITH THIS PARTICULAR GREAT ADVICE. The little spring in there gets weak and doesn't push up quite hard enough to remove the short in the kill circuit. Commonly used on GY6 4-stroke engines sizes 50cc-150cc. The valves must be adjusted properly (. So Vacuum Pump gets a faint,weak Vacuum. Symptoms of a timing belt that has jumped/skipped a few teeth: One Tooth: It will idle like normal and the exhaust will sound fine but cruise and WOT the car will feel like you've got no power and in most cases will hesitate and misfire. Small Engine Troubleshooting. Testing a Cranks but does Not Start Condition on your GM 4. I tested alternator which gives 37 AC volts, which is below recommended. I have to put the coil wire no more than a 1/8" from a ground source just to see the spark. Piston pin, connecting rod,. roll over engine and will not start, pull plugs and they are dripping with gas, after a few, engine not even fire. It ran well immediately after I adjusted the valves and I was able to ride up and down the street, but after I left it running in the driveway for a few minutes it dies whenever I twist the throttle. s and just wanna get running so the kids can ride. Part of a car's ignition system, it is typically box-shaped in appearance, and amplifies the voltage sent to individual spark plugs. You need to research the GX100 Honda engine, bet the valves and springs are the same size. This coil is installed on most 50cc 2-stroke and 50cc/125cc GY6 4-stroke scooters along with Peugeots, Kymco's and many other makes and models. pdf: balance is a crock sleep is for the weak eschliman amy oshirak leigh. Part of a car's ignition system, it is typically box-shaped in appearance, and amplifies the voltage sent to individual spark plugs. I thought having no spark would be a simple and relatively cheap fix. There are different specific engine designs used on these go karts and scooters, but the principles on this page will also apply to many different engines. View and Download Honda GX25-GX35 owner's manual online. If the spark is weak it's perfectly possible for the spark to be strong enough to jump the 1mm spark plug gap out of the bike and appear good, but not to actually spark at all when the plug is fitted. Also, the spark plug gap should never exceed. I only got involved because it's my neighbors kids. Checking it again, no spark and no voltage at the coil. It cranks over but sounds like it is cranking slowly. Good spark plugs will burn fuel efficiently, while bad or failing spark plugs can cause the motor not to start at all. 50cc bike test cost. Spark Plug; Timing and CDI's. Since one uses reverse lights infrequently and for short periods of time the led "upgrade" is not necessary as the stock bulbs will likely last the life of the vehicle. gy6 150cc engine diagram. i always ran a hotter plug in my hondas thru the winter, it helped with starting and stalling after it was warmed up in the colder weather.