oct 27, 2014 · 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. check all of the electrical connections between the battery terminals, the ignition switch, kill switch, cdi unit, ignition coil and spark plug. Reconnect any disconnected terminals or. mar 3, 2018 · 1987 moto 4 no spark. I replaced the coil and plug and plug wire. Visually check all wires and couldnt find anything bad. I charged the battery it started after i. mar 19, 2016 · 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. jan 19, 2024 · 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. mar 25, 2011 · start with checking all your wire terminals including the ground and fuse. The coils do go bad occasionally, you could test it or replace it. I would rule everything. may 12, 2022 · 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.
