ATV Connection Magazine

idles then no power

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Posted by: MNYamaRider

I have a 2001 Yamaha Wolverine 350. The other day I just lost power while riding. It will idle fine but when you throttle up it spits gas back out of the carb into the filter in a fine mist. Replaced the float needle and seat. No help. Definetly seems to be in the carb. Need Help!

Posted by: MNYamaRider

I found it last night after reading it in some other older posts, it is the parking brake. The thing is junk and hasn't worked since I bought it. I was loading wood in a trailer on a hill and thought I would give it a try. Imagine my surprise when it didn't, so my wife held the brake while I loaded the trailer. Last night after reading the post I went out and looked under the rubber boot that cover the parking brake actuator/lock and the cable was out about an inch. Pushed it in and she runs like a champ again. This thing provides a feed to the CDI and prevents high rpm to keep you from burning up the brake. Great safety feature that works poorly. Thanks for the help !!!!!!

Posted by: BradW

I'm assuming that if you replaced the needle and seat that you thoroughly cleaned the carb. If so, I don't know, but it really sounds like your main jet is clogged or there is crud in the float bowl. I've run into this on a bunch of different machines and that is always what it has been.