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So should I should I try 1.5 turns out? My other option is I have a se of mikuni flat slides with cables of 2001 rmk 600. I read a few articles where those must really help with the bottom stumble? THANKS for the help.

Need some help on carbs on a father/son 98 xc 600 project. We have re-rung and replaced crank seals has good compression and passes a leak down. we have installed new Vforce reeds. Problem we are having is poor idle seems like it's loading up will barely idle. It currently has 185 mains and 40...

Can someone tell me what the torque and sequence is for the head cover? (The red head cover that says xcr) can’t seem to find anything on that? Thanks.

Looking for a 1997 xc 440 flywheel. I guess a 1996 xcr 440 sp or 1997 will only work. PLEASE HELP!!! Thanks.

Working on a 1987 Indy trail the air box is one piece and all the foam inside is falling apart. I honesty cannot see any way of opening it up? My fear is that all that the crumbiling foam will just get pulled into the carbs? Its all foam chunks inside the air box and the more I try to clean it...

So I got around to working on this again and did try it without the airbox and could only get it to run good with no airbox and half coke on. then it had great power. Stumped.o_O

How anyone even seen a flywheel go bad for some reason?

I replaced the impulse hose and clamped it. The boots should be ok because they were on when I pressure tested it. Thanks for all the ideas thus far I'm just stumped. LOL!

I have not but have vacuum tested both and they hold pressure. It just acts like stator or cdi but I have ohm tested and taken both off a running sled. Sled will fire right up idle nice. Runs better on a stand but will still bog down. Will barely pull it's weight on the ground and bog so hard...

Any other ideas on this sled? Crankshaft out of phase? I'm two steps from just parting it out.

Ebay has a bunch of NOS STD polaris ones. Not sure if you have to bore cylinder or not? Part number for STD bore is 3084326. Hope this helps.

Thanks, Could you verify the oil pump adjusting procedure for me? According to the Polaris manual for 1994 it only mentions that the marks have to line up at idle? If adjust the pump so it lines up at idle they will not line up at WOT and vise versa because the pump arm has two lines one it...

Working on a 1999 carb fuji indy 500 for friend. Was brought to me for being boggy and no power under load. Does idle nicely but boggs almost to the point of killing the engine under load. Found low compression in clutch side cylinder so after rebuild and new crank seals the sled is acting to...

My son and I fixed up a given to us indy sport 440 fan. It's running great but battling an exhaust leak? oil sludge coming out from under the exhaust side engine tin and making a mess on the clutch cover airbox etc. We replaced the exhaust gaskets with good cometic us made which did help a...