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  1. Grizzly Engine & Transmission
    Ok bought the quad from a friend who used it for hunting it runs and drives up until motors warm when the motors warm the engine sputters or backfires when trying to give it throttle from idle if I let the quad just idle until warm it will eventually start to almost misfire and eventually stall...
  2. Grizzly Talk
    Hi all! New member here. Excited to be a part of the community! Been having some recent issues I cannot for the life of me figure out, so I decided to try and pick the minds of some other grizzly owners. Apologizing ahead of time for the long write up, but I just wanted to outline all the...
  3. Grizzly Engine & Transmission
    I have a grizzly 300 2012, and have recently came across a new problem I have not yet had. It started with if I were to putt the atv into high rpm then I would get a hard locking sound and the quad would lock up for a split second in the middle of moving. The next day I rode it again and it...
  4. Parts For Sale
    Hi everyone. I’m looking for an oem carburetor for a 2000 grizzly 600. 98-2000 should fit. I bought a grizzly over the winter from a guy saying the carb needed a good cleaning. When I took the carb off I noticed it needed to be replaced because someone put a terrible Chinese aftermarket carb on...
  5. Grizzly Tech Tips
    I recently traded for a 1998 grizzly 600 and for most part is a fantastic machine. Had a lot of snow here so it helped a lot my main issue with it right now is everytime I try to start (50°-5°) I drain the battery trying to get it to fire or have to use starter fluid to get it to pop off. (No...
  6. Grizzly Engine & Transmission
    Found my son a 2004 grizzly 125 barn find that has been sitting since 2005/2006. He’s turning 6 and had been on at s and dirt bikes since 2.5yrs old. I went ahead and rebuilt the carb. Fires right up, runs great, now it leaks fuel out the overflow when off so ordered new floats (these ones are...
  7. Grizzly Engine & Transmission
    I have a 2007 Yamaha Grizzly 350 4x4, i have just replaced the carburetor. It ran great for 30 minutes. Now everytime i give it gas it dies. Then it will run a little bit and it will bog down and die out. Pls help!
  8. The Tool Box
    I have an 02 grizzly 660 and its backfiring when I give it gas and then bogging down but if I let off the gas it goes back to normal. It all started when I was going up hill and had the throttle almost pinned. When I did this it backfired and bogged down but did not shut off. I’m still able to...
  9. Grizzly Tech Tips
    Hi! Had my grizzly running fine and then all of a sudden the idle rpm went crazy high and if I press the throttle the rpm goes down until it dies.. I found this after a short inspection. Looks like the choke cable is out of the carburetor. If I press in the choke button the metalic cylinder...
  10. New Member Introductions
    Good afternoon everyone. New to the forum, but old to the Yamaha grizzly. I’ve owned 6 bikes all Yamaha’s and this is my second grizzly. I got this one from a friend about 2 years ago after doing some welding and work on his house we built. It’s a 2006 grizzly 660. It’s all stock other than the...
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