I took off the loom while i stripped it all down to have the frame anodized and then i siliconed the loom (RED) looks cool but it has lost all its shape ! I'v plugged in all the wires in that match but i'm left with a single wire, It's close to the coil and it has a washer type end connector so i thought it was an earth !! I earthed it but (No Spark) can somebody please enlighten me on where i might be going wrong . I'v got a workshop manual but it is very vague ? Note to myself (Take loads of pics on a digital camera next time) LOL ...
SOURCE: 1980-gl1100-honda goldwing-no spark at plugs-
using a meter check your engine to frame ground
your testlight is completing the missing ground wire connection; allowing the spark to jump to ground
SOURCE: 1987 Honda shadow vt1100c no spark at any plug
The voltage on the coils is present except at the instant of firing. The interruption of the voltage is what causes the coil to fire. The cdi box is what causes the voltage interruption.
The interruption is very hard to detect. You are not the first to be stymied by that box. If you have access to an oscilloscope, I think you can see the pulse if it occurs.
SOURCE: No spark
Check the side stand kill switch if your bike has one. It kills the engine so that you don’t start out with the side stand down. If broken or out of adjustment, it would kill the spark. Check for a broken wire at the side stand switch and coupler. Try moving the kill switch by hand. If that doesn’t work then wire a jumper around the switch to bypass it. Check the fuses. How good is the battery? Try a jump start from your car battery. Is the handlebar kill switch on? Check the operation of the ignition switch and all kill switches with a volt ohmmeter. Install new spark plug.
If that doesn't do it, check the wiring harness. Did a wire come unplugged? Are all wires clean and with solid connections? Any abraded or pinched wires? Is the bike in neutral and the neutral light is lit up? If no neutral light, check the neutral switch and neutral switch wire on center casing. If still no spark, get CDI system and coils checked at the dealers shop. You can screw up a CDI unit checking it yourself.
SOURCE: need workshop manual vf500f 84 to 86
hi i havee got a vf500f2 86 model thw problem is when the bike gets up to temp the rev counter cuts out and then only fires on 2 cylinders????? i have replaced the igition coils but the problem still persists any idea's or help would be usefull im currently looking to getting the cdi units changed but would this solve it???
SOURCE: help with changing spark plug wires on a vtx 1300s
there should be a front coil also on this bike most likely located under the gas tank.
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