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I found a blown up 670 that I brought home with plans of a cheap rebuild, however having gotten it home and tearing it down it seems as though i picked up a 720? It has the ho head on it with 81mm pistons on what I believe to be a stock stroke. It came out of a 99 summit. Just below the...

has anybody done this or know how difficult it would be to do? There aren't any reeds on the engine but I'm not familar with cat engines at all. So maybe a plug the carb in and go?? Thanks Joe

I picked up a really nice mod sled chassis. The engine is a blown up 1000ccish triple based off a rotax 800 triple (809 cases). I have not quite given up on trying to find parts for the 809 as I know there are some out there (and pretty pricey) but I am starting to get a little discourged. I...

I'm considering building a carbon fiber tunnel and bulkhead for a mod sled project....My question is, how thick is the carbon fiber on your tunnel's. A couple close up pic's from anyone that has a carbon fiber tunnel would be apprecieated thanks Joe

Well I just got a 1994 summit 583 over christmas, I have been fixxing and working out a few bugs, and have been lurking here every chance I get. I is a trail/ditch banger currently but quietly prefer some good ole virgin powder. I would love to get up to the mountains but will reserve that...