Question about Yamaha 2004 Raptor 660R
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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Posted on Jan 02, 2017
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
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
2.2L VIN 4
Posted on Aug 30, 2009
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
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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