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I have heard of injectors getting plugged from the float deteriorating in the fuel tank and particals will plug the injectors. The fuel tank float was recalled for the 05 900 I think, or suggested to be replaced.

Cool to see we now a 900 Polaris forum.:):d:beer:

The only other thing I can think of is that some guy's have had a plastic elbow come loose in the fuel pick-up/pump assembly inside the tank. As you get lower in fuel it could be sucking in air or something.

I plugged the exhaust valves tubes together with a 5/16 bolt with the end cut off and left the solenoid tube hanging free/open. With them plugged I believe you get total variable exhaust valves back like the old 800's. Before I did this I would get a quick bog (on an 06 900rmk) around 6500 rpms...

Yes that's normal. The secondary clutch is supposed to float a little.

Because of the engine vibration it should be torqued to 96 ft lbs. If you've had the clutch off you need to ride it and re-torque it a couple times because they have been known to loosen once in awhile.

I had a similar problem with my 06 900. At 6500 rpms it would cut out or sputter but I could pin it and would run strong. Cleaned my exhaust valves and by-passed the exhaust valve solenoid and its fine now. Just took the T out where the solenoid is and plugged the exhaust valve tubes. I think...

Hi everyone. My name is Mark and thought I'd make some friends here at snowandmud:). I ride a 2006 Polaris 900 RMK 166 CPI pipe, Rumble pack can, Gripper skis. Mark