Recent content by mullenc525

Right I remember they all came with 800r's but the 800r was updated later on. I was told the motor was a warranty update, but only one piston had a caged bearing so I've probably been had. I couldn't find an R on the case but I didn't know exactly where to look. If its a non-R motor, I wonder...

HI, I have a 07 XRS supposedly with a warranty 800r motor in it. The motor needs a top end at bare minimum. How can I id the motor? The serial is 00502668R, stamped in another place is 6812690 and the motor number is M6387999. I am yet to measure the crank runout, but I understand if it...

This is my first sled, just picked it up hoping to sled ski lots next season. I have mechanical experience with automotive and dirt bikes but wanted to check in here for some specific advice. Apparently my sled has the 2008 motor (warranty) which was then overheated and seized at about 4500...