Question about Yamaha 2004 Raptor 660R

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I have a 2001 raptor 660 and it's got a replace the sprockets in the chain and when I did that the front sprocket like gave compression loose and now it won't start it just turns over I don't know what I might have done

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  • 189 Answers

Timing jumped . had it in gear when u removed chain sprocket. need to align timing ears. check utube for a how to video. its not a simple job . recommend a well known shop do repairs. sorry no easy fix.

Posted on Feb 20, 2019

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6 Suggested Answers

Anonymous

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Posted on Jan 02, 2017

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MakisRC51

MakisRC51

  • 408 Answers

SOURCE: drive chain goes loose and tight on back wheel turn

No.That was the problem.The chain and the sprockets needed to be renewed.
When you will take, the rear sprocket's base, off the axle check it's bearing.Just put your finger in and turn it slowly to see if it "locks" instantly.It will be nice if you renew it now that you disassembling the chain drive system.

Posted on Jun 07, 2009

Anonymous

  • 61 Answers

SOURCE: homelite chainsaw sprocket and clutch for chain

You can get the parts at your local tool rental store.. They should be able to do the service themselves to if you dont want to do it.. Let me know how you make out..

Posted on Jul 10, 2009

c17hydro

Greg Bernett

  • 2989 Answers

SOURCE: Timing Chain Cover, Chain, Sprockets, replacement

2.2L VIN 4 To Remove:

  1. Remove or disconnect the following:
    • Drive belt.
    • Drive belt tensioner.
    • Alternator.
    • Power steering pump. Place the pump aside with the lines attached.
  2. Lift the vehicle.
  3. Remove or disconnect the following:
    • Oil pan.
    • Crankshaft pulley and hub.
    • Timing cover bolts.
    • Timing cover. If necessary, tap with a rubber mallet to loosen the cover.
  4. Clean the mating surfaces.
To Install:
  1. Install or connect the following:
    • Timing cover gasket.
    • Timing cover and the bolts. Tighten the bolts to 11 Nm (97 in. lbs.).
    • Crankshaft pulley hub and the crankshaft pulley.
    • Oil pan.
  2. Lower the vehicle.
  3. Install or connect the following:
    • Power steering pump.
    • Alternator.
    • Drive belt tensioner.
    • Drive belt.

Posted on Aug 30, 2009

rwvanlue

Roland W VanLue

  • 486 Answers

SOURCE: Chain sprocket worn out

Outboard drums (drums on the outside of the clutch) are held on by a nut or e-clip.

Inboard drums are held on by the clutch which is threaded onto the crankshaft. And there is the challange.
***NOTE all chain saw clutches have LEFT hand threads, so, rightey loosey, lefty tightey. (just backwards from everything else)

*** NOTE #2: DO NOT USE AN IMPACT GUN
this will most certainly shear the flywheel key or damage the flywheel !!!!! (after 35 years, you can ask me how I know that, LOL)

1) Use a piston stop to hold piston from moving: THIS IS A MUST !!!
Ok, so you do not have one, let's make one.
a) remove the spark plug
b) insert a piece of recoil rope into the cylinder hole, leaving a tail to remove it by. (rope, large shoe string, anything that is soft, that is aprox 1/4 to 5/16 in diameter to place into the spark plug hole to help the piston to stop it's travel by filling up the empty space. Just make sure you can remove it later)
c) secure the saw (extra set of hands may be needed) and with a suitable wrench on the clutch center, rotate the clutch to the right until piston comes to a stop. With a hammer, tap the wrench to aid in rotation. This can be very difficult, and may take several taps.
d) after removed, inspect and grease the drum bearing before re-assemlby.
e) upon re-assembly of clutch, tighten by hand only, NO hammer required. The force of the chain will tighten the clutch.
f) remove the rope, and re-install the spark plug.

I’m happy to assist further over the phone at https://www.6ya.com/expert/rolandw_c013176d62ee17ae

Posted on Nov 22, 2009

bigalgoodwin

  • 2 Answers

SOURCE: Chain & Sprocket turn, but Rear Wheel Not engaging/spinning

The problem is witht he flywheel on the rear wheel assembly. I had mine fixed by a professional last night (at a bike store). Razor uses a very cheap spring that is designed to fail and then to top that off did not use enough bearings as well (12 bearings short out of the factory). My son had also sprayed WD-40 all around the back axle (trying to make it faster). This is bad because, the bearings are packed in grease and WD-40 is a de-greaser. Never get WD-40 anywhere near your back axle!!! Anyway, the flywheel was way easier to remove than I thought. It is threaded onto the rim's axle shaft and just screws off. Once you get the flywheel, off you have to take it apart, fabricate a new spring (my son's new spring came from an old 10 speed's tensioning spring), reset the 3 pawls, repack the bearings, put the flywheel back together, and screw it back onto the wheel. I will post a YouTube video on this later. Hopefully this is enough info to get you started.

Posted on Nov 03, 2010

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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.


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