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first check your spark plug then test your ignition coil if these are good then it is probably the cdi but there is no way to test a cdi box.

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Q: How do you know if a cdi box is bad?
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Related questions

Why does cdi box go bad?

Age. Damaged. dirty


What are symptoms of a bad CDI box?

A bad cdi, will cause no spark if its completely bad, but if its going bad can cause misfires, random stalling and rough running, like alot of backfiring and stuff.


How do you check cdi box for 50cc scooter?

take the cdi box off and try cranking the scooter youll notice that it still sounds like the coil is bad then wait till night time plug the cdi back up then watch the coil if it throws a spark its not your cdi it might be your spark plug but if you see no spark then its most likley your cdi box or coil thats teh best way to know if your scooter is cdi enabled or needs a coil theres a big defrence when it comes to price of these devices though.


Where is the CDI box located on Yamaha big bear 350?

Ah, the CDI box on a Yamaha Big Bear 350 is usually located near the battery or under the seat. It's a vital part of the ignition system that helps your ATV run smoothly. Just take your time to locate it, and remember, there are no mistakes, just happy little discoveries along the way.


How do you test the CDI box on a quad runner?

tap on it with something then try starting it if it starts its the cdi box


Replacing cdi box with updated cdi box?

buy a manual and fix it. its easy, not rocket science


How can you tell if a cdi box is going bad?

Normally, they don't start to go bad. They either die outright or have moments where they'll just work or not but doesn't last long that way. But be sure to test the output of the pulse coil and the kill switch before condemning the CDI box.


Can you rebuild a CDI box?

Sorry you can't rebuild a CDI box, as a matter of fact you really can't even diagnose it as bad (usually, a few rare bikes have the ability to be tested), you just have to rule out everything else first. Considering Just how much a CDI box costs you DEFINITELY want to confirm that everything else is ok first. The only other way to check the CDI is if you have a friend with THE EXACT SAME BIKE! Try and talk them in to swaping with you, just to see if it'll run. However if there is something on your bike causing the CDI to go bad, be prepared to buy both of you a new CDI. Good Luck.


Is a Suzuki 97 GSX600F CDI box the same as a 96 GSX600F CDI box?

Yes, they are exactly the same.


How do you test a cdi box on a motorcycle?

Check ur spark plug and if none of them are firing the its ur cdi box


Can you bypass the cdi box on your ATV?

No.


Can a cdi leave you with no spark?

the cdi box is what give you the power to create that spark. yes it will