1987 yamaha tw200- no spark at spark plug. ignition coil changed. pickup coil wires show grounded at both, even with engine shutoff switch disconnected. there is no kick stand switch.

Barry N Melissa Spring

• 230 Answers
• Posted on Feb 11, 2009

SOURCE: no spark at plugs but spark at coil with new ign module and picku

Check the coil wire from coil to distributor cap.

SOURCE: no spark from coils

i HAVE A 2006 V STAR 650 CLASSIC WITH A STARTING PROBLEM, COIL PACKS HAVE BEEN CHECKED OK, CDI IGNITION MODULE HAS BEEN REPLACED AND STILL NO FIRE TO PLUGS, KILL SWITCH ON HANDLE BARS BEEN REPLACED TOO, STARTER WILL TURN ENGINE BUT NO FIRE AT ALL

SOURCE: I have a 1981 K20 chevrolet 4x4 Pickup with a 350

have the ignition module checked. It it in the distributor under the rotor, if it is hei, it held on by 2 small screws

SOURCE: 1989 tw200 yamaha won't start

G'day egdbcs . Ok.now lets see.You say good spark,so i'm presuming you are doing the old sight test.Try bending the arm on a know good sparkplug about 5-6mm,earth the plug and kick'er in the guts(crank it over)Be very carefull , high voltage danger.If there's still a good spark it's safe to say that there will also be a good spark under pressure in the combustion chamber,speaking of which you should also do a compression test,anything over 100psi should be ok. as i'm not to sure of the extent of the re-build,hopefully the valves were lapped and checked for straight and true and valve seals replaced,if you notice oil on the tip of the spark plug you could have a leaking valve seal or oil seal .Try putting a small amount of fuel directly into the combustion chamber ,tighten up the spark plug ,install the plug cap and.......Yeah ..You guessed it ..."kicker in the guts".If all the abouve are correct and true it should fire up.If it runs for 5-10 seconds then stops you've got some sort of fuel starvation problem , could be dirt in the carb,blocked idle jet ,or air passage or even the needle could have come off it's clip,believe me with an old bike like yours anything could be worn and loose inside that carby.The only other thing to consider is the timing.There may be a good spark but is it happening at the right time inside the engine???. I'll leave it all in your capable hands EGDBCS.Hope this helps to solving your worries. Chow for now......Tilleydog..

SOURCE: 1983 yamaha xj 650 no spark already changed the

• Do you see spark? If not, check the side stand kill switch. 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 side stand kill switch by hand. If that doesn’t work then wire a jumper around the switch to bypass it.
• Is the handlebar kill switch on? Is it shorted out?
• Are you getting power to the coils?
• Check the fuses. How good is the battery? Try a jump start from your car battery.
• Check the operation of the ignition switch and all kill switches with a volt ohmmeter. 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 or side casing. If still no spark, get CDI system and coils checked at the dealers shop.