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hi- my 1996 trx 300 turns over- but wont get going unlesss you releas the button-"just right"- a friend mentioned pssible cdi issue? any suggestions?- driving me crazy!:eek:
 

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Generally speaking in the situation you have described the starter button needs replacing. I've had ATV's and motorcycles in the past I've worked on that have done what you are describing and that was the solution.
 

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we replaced the cdi unit- bought it on ebay for50 bucks, brand new- took 15 min to change it out- ( as long as u DONT follow the manual on removng/replacing!lol) works great- saved the old cdi unit cause it may work diffeently on diffmodel/wiring unit!:))
 

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Great welcome to the Forums!!!
So your saying the CDI was the Issue??? Im going to agree with the other guys you may have a button issue too??
 

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The CDI wouldn't effect your start button.
 

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What I'm getting out of this is. The engine would turn over just fine but wouldn't start until you released the start button at the right moment.

If true? I see where the starter is drawing a lot of current and taking away from the CDI. Now that the CDI was replaced, it works fine.

This tells me the CDI either had a bad (or going bad) component and wasn't getting the current it needed to complete the circuit until the start button was released. Only then did the CDI get the current needed to fire.

My personal choice would have been to check and test the battery. I've seen where a battery would turn the engine over, but didn't have enough left to fire the engine electronically. No sparkie....No runnie.

I could be off base here (wouldn't be the first time) But this is my take on things.

By the way....If you develop the same problem in the near future? Check the battery, the connections, and the frame ground. These have caused more problems than I care to remember.

Oh, and thanks for letting us know the problem and what you did to get her going again. It's always nice to put this info into the memory bank for later use.
 

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I had a similar problem on my TRX450. The spring in the start button had collapsed. The first symptoms were just like yours. When it got worse I started popping the main fuse.
 

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I had a similar problem on my TRX450. The spring in the start button had collapsed. The first symptoms were just like yours. When it got worse I started popping the main fuse.
One thing about it. You all who know these machines a lot better than I do. From reading these comments from people who have experienced very simmular problems on their ATV's is something I can store in my memory for later use if I ever need it. Hopefully I don't? But if I do, I can thank you guys for sharing this information.

Thanks.
 

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One thing about it. You all who know these machines a lot better than I do. From reading these comments from people who have experienced very simmular problems on their ATV's is something I can store in my memory for later use if I ever need it. Hopefully I don't? But if I do, I can thank you guys for sharing this information.

Thanks.
Thats what we are here for! Glad we can all help!
 
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