Hi, my '02 grizzly starts a bit hard in the cold. i read in the forums that alot of times the valves are out of adjustment. and adjusting to proper clearance seems to always fix the problem.
Is this hard to do? do you need special tools?
I'm pretty good with a wrench (pulled apart carbs, change my own brakes. Etc.) I'll get a service manual. just wondering if it is difficult to do or easily screwed up... i wouldn't want to break anything. Thanks, Gary

 

I have never done a 660 tho I dont think it is that much harder to do than the 700's. Here is a link to 660 service manual for you to look at.
http://www.moddedraptor.com/library/...E%20MANUAL.pdf

 

thanks, that doesn't look too bad.

 

just did my 98 not hard just time comsuming you only need to do intake valves

 

Thanks Hound Dog

 

It's not too bad. You'll need feeler gauges for determining your gap. Remember to check the gap when the arm is at its highest point (aka top dead center). Actually, there is a different gap for the intake and exhaust and your local shop will have the info if you call and ask for the gap. I'd check both of them. The exhaust (bottom of motor on my kodiak) is the harder one to get to.

 

Intake are pretty easy to get to. The exhaust you'll need to bend the feeler at a 45 about an inch back.
Take the front wheels off and a helper holding a flashlight would help. Not a hard job, but the exhaust is tough to get too.