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change chain on an ultra

Not too hard to do....i think you have to pull the exhaust on that sled, pull the bolts out, and clean everything up. Take a good look at the bearing on the tensioner, and also the nub on the housing that the tensioner is hanging on, i've seen them break on those ultras before. and of course, bearin...
by froesen
January 11th, 2006, 1:15 pm
 
Forum: Tech Talk
Topic: change chain on an ultra
Replies: 1
Views: 233

670 HO timing problem

as for the crankshaft twist, i figured that checking the timing mark would determine that...so i know that the mag piston and timing mark are clocked correctly. the engine was rebuild last summer, including crank rebuild, which is why i suspected the timing mark first, could have been clocked wrong,...
by froesen
January 8th, 2006, 3:58 pm
 
Forum: Tech Talk
Topic: 670 HO timing problem
Replies: 3
Views: 536

no impulse on fuel pump line

does seem a little odd that there'd be NO impulse....even a leaky seal will usually give you a reasonable pulse. check the port.
by froesen
January 5th, 2006, 2:20 pm
 
Forum: Tech Talk
Topic: no impulse on fuel pump line
Replies: 3
Views: 381

670 HO timing problem

Hi, guys. New to the site, hi to all. I have a 1999 MXZ 670 HO. I checked the timing as per ski-doo spec the other day, and it was retarded; I verified the timing mark on the flywheel, it was correct, so I adjusted the pickup. Ended up adjusting it to the full-advance position, but it's not enough.....
by froesen
January 5th, 2006, 2:06 pm
 
Forum: Tech Talk
Topic: 670 HO timing problem
Replies: 3
Views: 536

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