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Yamaha Grizzly 660 ATV- High Engine Oil Cunsumption

Engine has 5400hrs.

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Rings, valve guides.

Posted on Jun 11, 2014

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Posted on Jan 02, 2017

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1 Answer

Engine dies as soon as I put in reverse and will not start in reverse.


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


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

1 Answer

Blue smoke when i start my atv


Sounds like worn valve guides. If compression is good it would be oil seeping through guides while engine is still.

May 12, 2014 | Yamaha 2004 Grizzly 660 Auto 4x4

2 Answers

Engine Oil Consumption


If it is not leaking any out at any place then you are looking at top end work. Does it smoke? Rings would be suspect. Also take a look in your air box and see how you filter looks.

Apr 14, 2014 | ATVs

1 Answer

I have a 660 Grizzly 03 Atv im having a idle problem i have not did any repairs on this bike the idle will set its self down to low and quit running i set the idle up to normal and in a few moments of...


1. Check the INTAKE valve clearance!!!!
2. Check for an air leak
3. Install a new spark plug and air filter!!
4. Check the compression..
5. Have the carb professionally cleaned and set!!
>> Once you have sone all these steps.. repost to me if this did not fix it!!

Sep 07, 2017 | Yamaha 2004 Grizzly 660 Auto 4x4

1 Answer

How do you remove a stator coil cover on a 2009 Yamaha Grizzly 700 atv?


drian engine oil take side cover should be an 8m to 12m depending on the model... the stator might be attached to the cover or might have a mount holding it into place to the fly wheel

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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

2 Answers

ATV


It normally means check engine like a check engine light.

Jun 03, 2013 | Yamaha 2005 Grizzly 660 Auto 4x4

1 Answer

2003 yamaha grizzly 660 4x4 atv, right side rear axle/cv joint came lose at differential


Yamaha Grizzly 660 2002 2008

get one of these..If you are going to try the repair yourself....
.this is serious, ....
there MIGHT be damaged components that need to be inspected by a professional.

Mar 17, 2011 | Yamaha 2004 Grizzly 660 Auto 4x4

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