How To Test Motorcycle CDI Box, Ignition Coil




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Phil manwarren: my front cylinder won't fire could this be why and could you tell me where the coil wires go on a 1993 yamaha virgo thanks

TokeXecution: Can I use a cdi off a Arctic Cat 1973 cheetah 340 and use it on a Honda 1972 Mt 250 also 2 stroke?

juan mena: Hey man I have a lt250r I'm working on as a project. I'm kinda stuck on the electrical I'm not getting a spark. I replaced the ignitor coil I replaced the stator I got a after market Cdi box I did not want to get a new one from Suzuki because they go at about 400 dollars. Any help you can give would be grate.

frognuts Ell: I like you dude, keep my smiling while educating me👍🏼

Ed Kriner: Sir, I have a 2006 Suzuki GSX1300R Haybusa and it ran great. Now I cant get any spark? It has a new batt. an plug's. I started it at least 2 times during winter and let it warm up. When I went to start it I cant get any spark? I've tried everything! Any Idea's?

Blake Simmons: i have an 81 kz 650 i went yo start it it turnd over the starter and then the starter just stoped i tried to push start it but nothing happens what could this be

Ani Charlie-aerengamate: hi my fuse keeps blowing on my virago any knowledge about it

Ian Lantape: how to know if the coil and stator malfunction

Ian Lantape: i had a suzuki smash my problem is the spark goes on and off i already replace plugs it is the same

trevor francis: high i used to have the xt 600 bugger to kick over, any way I have a kawasaki vn 800 re wiring the bike, following the diagram there is no  poz neg on the coils, but the colour code on the wires are different, so what side do you fit the wires to the coils also i will need an ecu would second hand do and would it just work when connected or will it have to be set up to some programe

Lavre: I had one of these XT 550's when I was around 23/25.. (with an almost complete bike as spares - bought it from a guy whose wife put sugar in his tank after countless drunk hooliganism weekend trips.. ) and I really thought it was the crap! Spent a LOT of money on it, and it was oversize to 577 cc..Felt like I was on it 24/7.. Looks dated today but it still stays mechanical - wise trustworthy.. (Would not mind having one of the origional XT600 TENERE today.. - and quite recently two or three MINT examples popped up... but as things goes in life.. it wil happen when you do not have the finances..) Am mostly only riding Sport tourers / Hyper tourers today.. but boy.. one in the gargae for that "occasional" trip will not be to be skipped.. Oh yea.. before I forget.. I lost TWO heads.. due to lack of knowledge.. that little sieve at the bottom of the "sump-pipe"... very very important to clean with every service..) - (only found it out after I gave up, and sold the bike...)

GAR A: so what was the fixed?

Matthew Vescovi: i have a 1980 yamaha sr250 that has no spark...i have checked the ignition coil, pick up coil, starter solenoid, and battery. they all check out fine. spark plug is new and the safety relay works. heres where things get funky...if i have the ignition on and i put the bike from stop to run and put a meter on my spark plug wire i have a constant 12v. if i leave the meter on the wire and switch it to stop i lose the 12v. my starter button doesnt work either but i think thats just worn contacts. also, will the bike get spark even if the neutral switch is bad? Thanks Matt

Matthew Vescovi: i have a 1980 yamaha sr250 that has no spark...i have checked the ignition coil, pick up coil, starter solenoid, and battery. they all check out fine. spark plug is new and the safety relay works. heres where things get funky...if i have the ignition on and i put the bike from stop to run and put a meter on my spark plug wire i have a constant 12v. if i leave the meter on the wire and switch it to stop i lose the 12v. my starter button doesnt work either but i think thats just worn contacts. also, will the bike get spark even if the neutral switch is bad? Thanks Matt

Danny Vansickle: I have a 94 250 Yamaha Timberwolf and it will start by jumping at the starter.  Will not start from switch.  I have been told I need a CDI box.  What do you say?  Thanks a bunch   Danny

john geni: I have a 2006 Suzuki 200 with 1000 miles. starts and runs fine for about 20-30 min then it starts to bog out then shuts off. the bike will not restart until it cools down which is usually 20 min after it shuts down. any suggestions?

Kennedy Odewa: good demonstration have ag200 which produce sparks once then goes off what could be problem

Paul Bubnash: hey don't know if anyone can help me here. I've got an old 2 stroke scooter, I put a new spark plug in it, (identical to the one taken out, which looked to be as fouled and corroded as a plug can be and still work) it ran fantastic for about 10 minutes and now won't start again. ran great for months before, it cranks and turns over strong and I can see a good spark on the plug when tested, even starting fluid doesn't start it and the plug seems dry after a 2 minute starting attempt at different times. any ideas?

Valerie Gobaira: Hi Mr Max. two months ago I "shorted out" on a hot day and had to push my bike home. It's a 1991 Honda Nighthawk CB750. I removed the seat and saw that the wires from the harness that run under the seat were fried. I removed the harness and replaced it with another one from a twin bike I have for parts. No dice. I ordered a new harness only this one didn't have an extra solenoid. Today I tried to fix again and took out an alarm box that was connected to nothing (I checked it from stem to stern) and ended up removing a bunch of wires. However, from that wiring mess, two black wires were cut into the rear light wires (orange and blue) via two little blue plastic connectors that have little metal pieces in it to cut into the wire.

However, when I turn the key, I don't get any lights or any sign of life. It's dead. I know I have an extra solenoid somewhere. I just ordered an ammeter and will check the solenoid, battery and starter, then will check the kill switch and ignition. \\Do you have any other ideas?

vgobaira@yahoo.com

Thanks and keep up the great work.

Kevin Brain: i have some advice '' never start your bike without a battery connected '' dip crap.

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