No spark, checked plug and HT lead.

SOURCE: cant get a spark from ht leads on cb250 motor bike

Be CERTAIN the battery is good. Are all fuses good? Try brand new spark plugs. Disconnect the kill switch on the handle bar. Check the side stand kill switch for proper operation. Have the shop check the CDI ignition.

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SOURCE: bike only fires once

Okay, let's have a look at it. Say Ahaaa.
The probable cause of the problem is not the spark. Get a fresh set of Stock NGK spark plugs, ground the plus to the engine, and check each cylinder for spark as the starter button is pressed for 3 seconds or so. I will wager that the spark is present.

The likely problem is the fresh gas was put into a very rusty gas tank. Bits of rust now inhabit your carb and are having fun plugging up the carb. Look at the gas valve. With a little luck there is a small bowl behind the valve. Remove it and tell me what you see in the bowl.

SOURCE: mercedes c200 elegance 1996 model mis-firing on cylinders 1-4

I beleive your firing order is 1 3 4 2. 1 and 4 are companion cylinders-meaning the piston is up or down at the same time i.e. compression and exhaust stroke both pistons are up and even on the exhaust stroke the ignition fires in order to burn unburnt fuel/ h ve you checked your trigger. There is a good coil testing tool that is placed over the coil and has a magnetic pickup that allows you to see if the coil is being triggered-just because you have power doesn't mean that you will have spark. I would replace your ignition wires and look at your wiring harness very carefully- if it is very brittle and you see bare wires exposed that is your most likley problem because the trigger is working for 1 and 3 and has the crank senser input for all for spark plugs and the cam senser is used for ignition advance and your fuel injection system. try wiggling your harness and see if your coils start to work. wireharnesses are a major problem on mercedes benz vehicles of that era. I hope I have been helpful

SOURCE: 97 Toyota Caldina starting problem

you could have a bad cylanod in your starter that's what is sounds like or you might need a new starter sence you have looked and tested everything else that's the only other peice of resenable equitment left and if thats not it you could try the O2 sencer in the car if that's bad or going out it will make a car act that way. if that's not it then your problem, lys in the corb. but i would try the cylanoid in the starter first and work your way up from there

David Belcher

• 1978 Answers
• Posted on May 27, 2010

SOURCE: 2000 honda 1100 shadow spirit. Rough idle, little power.

Replace the spark plug caps and try again. On Honda's the cap is often part of the wire (a dealer part) NGK makes some inexpensive plug caps about $5 each. They should OHM out to 5000 anything above or below and you need to replace them. This should fix the problem.