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1-16 of 16 Results
  1. Grizzly Electrical & Lighting
    2003 Grizzly 660 I can’t find a wire going to my Neutral switch that looks like a spark plug (part #7). Even the parts diagram shows no wire going to it.. How does that thing work??
  2. Grizzly Engine & Transmission
    Please forgive the typos but my 05 Grizzly 660 was running fine then came a loud clunking that I foolishly ignored for about 2 weeks. Now its not drivable... There is a loud clicking noise coming from under seat and the rear wheels lock up when in Reverse, High, and Low and no it is not the rear...
  3. Grizzly Talk
    Hey there, had a buddy slot my diff mounts for me, was ripping around the yard and the diff mounts snapped and caused the diff to turn up and munch my driveshaft lol, I have a new driveshaft but I’m not sure how to go about fixing my diff mounts to ensure this doesn’t happen again, thanks in...
  4. Grizzly Electrical & Lighting
    I got a 2004 grizzly 660. I had it out the other day and drove for about 10 mins before my voltage regulator went up in smoke. Bought a new one and installed it today and took the bike for a run, seemed normal until I touched it. It’s very hot when I touched it with my hand. Is this normal temp...
  5. Pictures & Videos
    https://youtube.com/shorts/_VpM4d-qGPo?feature=share
  6. Grizzly Electrical & Lighting
    I am new to the community I don't see any post on this exact problem but if there is please direct me , thanks for the help in advance. Here is the back story, 2002 grizzly 660, won't start with just electric start. Good Battery, new selionoid, new switch. If if pull up lightly on the pull...
  7. Grizzly Electrical & Lighting
    Just a quick question about the notorious Grizzly 660 relay. With a good strong battery, it should always have 12v to the battery side of solenoid, then when you turn the key on it should have the 12v to the motor side of the solenoid correct? I have replaced two of them and can never get power...
  8. Grizzly Engine & Transmission
    I have rebuilt this engine multiple times to try to find my good crank no start issue. I have spark I have fuel I have compression (90 psi at cold) Rebuilt with big bore kit, 102mm. My question is, could my camshaft be 180 out? I have done as the manual suggests and moved the flywheel to...
  9. Grizzly Engine & Transmission
    Hey all, I have tried to search through here but no luck. At least not with my exact issue or the fixes haven’t worked. I just got a 2003 Grizzly 660 that has definitely seen better days. It needed a timing chain so I fixed that and went to start it once all was done and everything seemed to...
  10. Grizzly Talk
    How do I find they year of my 660?
  11. Grizzly Talk
    Hey yall, I'm having an issue lining up a new rear left axle into a knuckle on my 03 Yamaha Grizzly 660. I cannot push in both knuckle bolts that go through the lower and upper control arms. The new axle was bought on Amazon...
  12. Grizzly Dyno/Tuning
    I recently bought a 2003 Yamaha Grizzly 660 and I want to get an HMF Titan Exhaust but I don’t know how I can tune the Air Fuel Ratio. Help!
  13. Grizzly Engine & Transmission
    My dad purchased a 04 grizzly 660 a month or two ago. When we first got it when he hit the rear brake there was a loud clunking sound. Now when decelerating we have a clunking and kind of grinding sound coming from what sounds like both the front and rear diff or the tranny. The front drive...
  14. New Member Introductions
    Hi all! My name is Mar and I live in Philly! (Originally from Ukraine) Have had my 06 grizzly 660 for few years now.. Got it from a friend as a gift for helping him out with a few things on the farm. Been to a few local spots to ride this thing and its a blast. Last year or so did not pay...
  15. Grizzly Engine & Transmission
    Hello Everyone.Happy to be part of Grizzly Central. Im living in Fort McMurray, Northern Alberta and im having a big issue with my 06 Grizzly 660. I baught the machine used a few years back and its been good to me mechanically besides putting a new final drive in here. It came with heated grips...
  16. New Member Introductions
    As I stated in the title, I'm new to the Grizzly community and this is the first atv I've owned. I just bought a 2004 Grizzly 660 off of Craigslist. It has 1,693 miles, 642 hours and I payed $4,000. I have been looking at quads for over a year and was so undecided on what to get. The Grizzly has...
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