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1-17 of 17 Results
  1. Grizzly Electrical & Lighting
    Having trouble chasing down this short that's blowing fuses on my 2005 kodiak 450. As long as the servo isnt hooked up and you hit the 4wd and dif lock buttons no short but soon as the servo is hooked up ( just hanging not mounted)it will work a couple times then blow the fuse. I tore the servo...
  2. Grizzly Engine & Transmission
    Hi Folks, been searching the internet and maybe you can help me. I have a 2002 kodiak 400, with MANY MANY miles on her (spedometer broke long ago) Its begun making a clicking noise in 4wd, going straight or turning. In doesn't happen in 2wd. Where do I begin to look? Ive done lots of...
  3. Grizzly Electrical & Lighting
    Hi. I have a grizzly 700(2008 model) and it has some 4wd problems. I've checked every relay under the front plastic, the fuse for 4wd is good and the handle bar switch has been replaced. I'm getting 10 volts to the servo motor with the engine off and switch on. I took the servo motor out and...
  4. Kodiak/Big Bear/Bruin/Wolverine Discussion
    can anyone tell me if the middle driven shaft can be removed without splitting the engine cases , I believe the damper cam is rounded over and is jumping out of it's seat in the middle drive pinion gear , with the quad jacked up wheels off the ground in 4wd front brake applied the front gear...
  5. Grizzly Electrical & Lighting
    Hi. I have a grizzly 700(2008 model) and it is stuck in 4wd. I've checked every relay under the front plastic, the fuse for 4wd is good and the handle bar switch has been replaced. I'm getting 10 volts to the servo motor with the engine off and switch on. I took the servo motor out and could not...
  6. Grizzly Electrical & Lighting
    Just bought a 2014 Kodiak (I've read it is the same as a Grizzly). The EPS and 4WD are not working. It also had a dead battery (it will charge up to 11.3 volts). Quad looks like it has been babied. It has a lot of miles, but they are mainly dry road miles (not trail). No scratches on rims...
  7. 4wd

    Technical Articles
    anyone have any troubles with ther 700 or 550 grizzly kicking in and out of 4 wd by itself? not sure what to fix,
  8. Grizzly Talk
    I just launched a new site that deals with all and any problems with the 4wd system on Yamahas. I have how to videos for testing the servo, disassembling the servo, replacing and purchasing the servo (motor only), testing relays, and testing the push button switch. I also have a link to...
  9. Grizzly Talk
    There are many different threads in the forum on members having problems with their 4wd. While there is a lot of information to be found by searching and reading, I wanted to make it easy to be able to diagnose problems with your 4wd. I spent last night making three videos on testing the...
  10. Grizzly Talk
    Yamaha 4wd Servo (motor only) Replacement - YouTube Made a new video that includes all three types of servo motors that Yamaha makes. It shows how to disassemble and replace the motor inside your servo assembly. Also I have added more models to the list that the motors fit. Here is the...
  11. Grizzly Tech Tips
    Made a video for the installation. This was on an 07 Grizzly 700 so it'll be the exact same on the following models. 07-11 Grizzly 700 08-11 Rhino 700 07-11 Big Bear 400 08-11 Grizzly 450 09-11 Grizzly 550 Any other model from 02-06 will be basically the same you'll just need a tamper proof...
  12. Industry News
    LOOMIS, CA (June 20, 2012) - The Fordyce Creek Trail in Northern California is known for its challenges and beauty as it crosses the granite of the Sierra Nevada mountain range.* One particular obstacle near the beginning of the trail caused considerable concern; not because of the difficultly...
  13. Grizzly Talk
    I found a way to replace the servo motor only on the newer 700's. Some of you may remember my older post about replacing them in the 02-08 660's. While I can still can get those motors as well. I finally got the newer servo motors back from the machine shop. The newer ones fit the following...
  14. Grizzly Talk
    Updated 4wd Troubleshooting page Troubleshooting | 501 Parts.com Yamaha 4wd System Repair Parts & Service I'm new to the site. Lot's of good info here. Hopefully this will help someone out also. My servo motor went out so I did some research and ended up finding a cheap easy alternative to...
  15. Parts For Sale
    I found a way to replace the motors inside of the actuator without having to replace the complete unit. Here are the directions. I have the motors for sale. $50 each. I will have motors for the newer yamahas soon. The ones here fit 02-08 Grizzly 660 03-06 Kodiak 450...
  16. Grizzly Tech Tips
    2003 grizz 660 when i give it gas it gets to 22 mph and cuts out my gauge says the diff lock is on but the 4wd isnt working and the button for diff lock and the 4wd button wont respond it revs all the ways in neutral but in high gear and low gear it starts rev limit and 22mph please help
  17. Grizzly Talk
    Hi All, I have a few more questions about the diff lock/4wd/2wd set up on these. I know the diff lock, whether engaging, or disengaging is NOT shift on the fly, you will need to stop, but is the 4wd shift on the fly?? Also, at the 2 minute mark of this video, Polaris claims that the EPS shuts...
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