Yamaha Moto 4 Weak Spark - I recently picked up an old 86 moto 4 80cc that i would like to get running and fix up for my grandson. I was told it had no spark which i verified by hooking up a battery and. Look at the kill switch (run/stop) to make sure it isn't bad or broken. Then check wiring for bare spots that may be grounding out. Last part you haven't replaced is the plug. I ordered a new ignition module from amazon and the 4 pin connector fit perfectly. I turn key and lights come on as does the starter. Hi guys and gals i’ve got a yamaha moto4 225 and i can’t get it to start it’s got me stumped for ages now it’s got spark the timing is correct and it’s got fuel the exhuast isn’t. Common culprits include a clogged fuel injector system or a malfunctioning spark plug. When fuel injectors are clogged, the engine may not receive the proper fuel mixture, causing difficulties in. Starting problems in yamaha moto 4 can stem from various issues such as a weak battery, faulty spark plug, or clogged fuel system. Old gasoline left sitting in the tank can cause. My grandson and i are trying to resurrect a 91 moto 4 250 that we got as a basket case a while back, and are having trouble getting a consistent spark out of the ignition system. We've been able to get it to cough and pop a few times, but can't get it to start up and run. Starting problems, problems idling, suspension, electrical and braking are quite common yamaha moto 4 common problems. In this article, you will find all the dirt and good on yamaha moto 4. No power going from the battery connectors to the lights, kill starter switch or anything on the handle bars. As well as there is no spark. Not too sure where to go about. Sometimes i get a very weak, intermittent glow on my spark tester, but not enough to fire the plug.
I recently picked up an old 86 moto 4 80cc that i would like to get running and fix up for my grandson. I was told it had no spark which i verified by hooking up a battery and. Look at the kill switch (run/stop) to make sure it isn't bad or broken. Then check wiring for bare spots that may be grounding out. Last part you haven't replaced is the plug.