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2006 yamaha grizzly 660 a.t.v. runs but will not drive. engine winds up and will only move slightly. no acceleration. drive train?

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  • 44 Answers

Cintripital clutch or belt

Posted on Nov 14, 2013

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Posted on Jan 02, 2017

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SOURCE: 2007 Yamaha grizzly 660 wll run fine, and then

CHECK VALVE CLEARANCES(INTAKES MOSTY) IS IT ONLY HARD TO START AFTER IT HAS BEEN RUNNING(HOT) OR IS IT HARD TO START COLD TOO?

Posted on Apr 30, 2009

  • 142 Answers

SOURCE: Transmission or clutch slipping

make sure ther is not water in the belt housing there is a drain plug down by th botom of the floor board

Posted on Sep 27, 2009

  • 743 Answers

SOURCE: I have a 2007 Yamaha Grizzly 660. It was running

It sounds like you got some corrosion going on, on the ground side. I would start with the battery cables first and see if they need cleaned up, then go to the connectors and unplug them and clean if necessary and put die-electrical grease in the sockets of the connectors before plugging them back in. I am assuming that the shifter is electrically assisted if there are problems going on with it as well...this is what makes me believe that it is a bad ground due to setting maybe in a damp inviroment.

Posted on Oct 19, 2009

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SOURCE: 2005 grizzly 660 rear drive shafts pop out of the gear box a lot

There should be a circlips at the end of the driveshaft.
That circlips holds the shaft IN the differential parts.

If you have still warranty, let it repair by a dealer. The circlips is maybe INSIDE the differential casing and can thus destroy a lot of parts!

Posted on Nov 01, 2009

  • 9 Answers

SOURCE: 2006 Yamaha grizzly(60 hours) . Was working fine

Did you check spark before or after the spark plugs? Replace the plugs (or at least check their gaps). Also remember, you need three things for ignition: air, fuel, spark. You've been checking fuel and spark, but not mention of decent air flow. Is your air filter plugged?

Posted on Aug 23, 2010

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Why won't my grizzly 660 go into neutral so I can start my bike


K, Linkage probably needs adjusted.
Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

2006 GRIZZLY 660 MOD HELP and SHIFTER ISSUES
http://www.yamaha-motor.com/assets/service/manuals/2008/lit-11626-21-03_griz660_all_1498.pdf

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2008 Grizzly 450. Starts and idles fine but at about 10 mph why does it start to cut out like a rev limiter?


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1 Answer

2002 grizzly 660. Has no power wen starting out once moving its fine. cometostopitchattersrealbadfrom lowerend.?is what u guys thinkCrankbearinggonetight.Orsomethingintrans?Looking forsomewheretostart


Hi, Anonymous I just loaned my brand new pair of listening ears to your local dealers chief technician so he could take your bike for a test ride and give you his professional opinion and estimate about your noise and repair cost. For more information about your issue, please visit the websites below. Good luck and have nice a day.
http://www.yamaha-motor.com/assets/service/manuals/2008/lit-11626-21-03_griz660_all_1498.pdf
YAMAHA YFM 660 GRIZZLY 2002 2006 ATV SERVICE Repair Manual IMPROVED...

Dec 18, 2015 | Power Motorcycles

2 Answers

Why would my 660 grizzly pop in & out of forward gear, jus whines, jumpin in & Out ???


Grizzly 660 Shifting problem. - Yamaha Grizzly ATV Forum

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Aug 17, 2015 | Yamaha 2005 Grizzly 660 Auto 4x4

1 Answer

Backfires when you try to rev up engine,


check fuel flow and check spark at spark plugs

According to an "ATV Rider" 2009 article, "When the Grizzly was introduced in 1998 as a 600cc machine, the top was blown right off the displacement wars of the time."
It was replaced in 2002 with Yamaha Grizzly 660, an even bigger engine derived from the well-established all-terrain vehicle (ATV) Yamaha Raptor 660R.
Grizzly's 660 cubic centimeter (cc), four-stroke, liquid-cooled single overhead camshaft, five-valve engine performs well in open country, but sometimes it causes serious problems for owners.
Before you call a Grizzly dealer, however, trying a few tricks in your garage can save you a lot of time and money.

Check the fuel level.
Locate the fuel meter indicator on top of the multifunction display.
If it does not work properly, open the fuel tank, and push the Yamaha 660 Grizzly side to side.
Ensure the fuel is not contaminated by water or rust.
If you have not driven your Grizzly 660 for a long time, drain the tank completely, and fill it with a fuel tank cleaner.

Check fuel hoses for cracks or leakage.
The hoses should be soft and simple to bend.
Replace those that show any sign of wear.

Check the compression.
Screw a compression tester into the spark plug hole, and press the electric starter button.
If no compression exists, contact a Yamaha dealer.
Wipe wet or dirty electrodes with a dry cloth.
The spark plug gap should be checked regularly

Correct the spark plug gap.
Measure the gap with a wire thickness gauge.
If necessary, adjust it to 0.8mm using a screwdriver or replace the spark plug.
Use only a Yamaha-specified spark plug.

Check the Yamaha 660 Grizzly's battery.
Operate its electric starter.
If the Grizzly starts quickly, then its battery is in good condition.
If the engine turns slowly, check the battery lead connections, and you may need to change the battery.
If the engine still does not eventually start, your Grizzly is beyond home repair.


Jul 23, 2013 | Yamaha 2005 Grizzly 660 Auto 4x4

1 Answer

2008 Yamaha 660 Grizzly???? Help?


try turning your idle down, i have a 98 grizzly 600 and the other day it was cold so i turned the idle up to start it and wen i put it into gear i would drive itself if ur idle screw is in the same place as mine it should be above the engine beside ur left leg turn it left to turn it down wen ur idle is up ur motor is reved to hi wen going into gear hope my advice helps

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1 Answer

2007 Yamaha grizzly 660 wll run fine, and then will die and is hard to start. Carbourator is clean. Does anyone have any suggestions?


CHECK VALVE CLEARANCES(INTAKES MOSTY) IS IT ONLY HARD TO START AFTER IT HAS BEEN RUNNING(HOT) OR IS IT HARD TO START COLD TOO?

Apr 29, 2009 | 2006 Yamaha XT 660 X

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