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Wondering if someone could help me pinpoint a whining noise. It sounds like the noise made when the brake is engaged, but its when on the throttle, off the throttle, louder when brake is engaged. It goes away when the sled is stationary or if I lock the brake/track when I'm moving... Any...

Hi All, I completed the motor rebuild with the RKTek high compression pistons and 13:1 head. Last night was the inaugural flight. It pulls hard, very hard, but doesn't hold rpm. From engagement to pinned (for short period of time, 15-30 seconds) it will snap out at 8000-8100rpm, but...

Hey most Educated ones, Base gasket between cylinders and bottom end cases. Rib/bump up or down? Manual doesn't say, I don't want to make a costly mistake.

Spent last weekend in Valemount and Blue River. Last day, 6kms from the truck, my 2011 RMK Assault locked up, stalled, and skidded to a halt. Checked a few things over, the motor turned freely and even fired up, but the secondary clutch couldn't be spread to remove the belt. Back home now, I...

Hi All, I've done some searching to see if there is any specific instructions as to how to check compression on the Assault RMK 800. Also, wondering what numbers I should want to see. I've read of guys anywhere from 95psi to 135psi. I know there will be some variation between metering tools...

Hi All, Out last night for a quick rip after swapping my track out, and as luck would have it, tagged a pretty decent boulder. Demolished the right side front suspension system, ski, spindle, A-arms, rod ends etc. Shock looks to be fine, just tweaked the bushing that it sits in. The...