Recent content by UncleBubbles

Yamaha spec oil from yamaha, not sure what weight it is. New theory, what has happened is the cam chain tension bolt, backed out and fell out of the block. This allowed the cam chain to loosen right off, which then allowed the cams to jump teeth backwards and forwards on the chain while it was...

Is there a way to time these motors while its in the frame to pull the head? Or does the engine need to come out?

It's my brothers sled, which I have plans to buy. Interestingly, this sled has had a relatively easy life, with only 1900 miles on it, its never been boosted or sprayed, raced or anything of that nature.

The plugs are stock nytro from the factory, NGK CR9E0. The story gets better, I couldn't compression test it, nor bore scope due to the tiny plug holes, so I unbolted and lifted the valve cover... center cylinder first intake valve lifter is shattered and stuck in it's lifter bore, thus...

Brand new to this site, fairly new to Nytros, but sledding is well known to me. I have a nytro missing on the center cylinder. I went for a ride a few weeks ago, the sled started fine cold, got to our meeting spot with the group, shut it off, tried to start it 20 minutes later and it would turn...