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700 Yamaha Moutain Max SX Ported Complete Motor... 600 Shipped

n2otoofast4u

Well-known member
Lifetime Membership
Just as title says. Ive been hoarding some MM parts with the intent of building a hoodless old school spring time mod sled. Well, Ive got no time and Ive run out of space.

This was originally in a 97 that I bought new. It was gone through a few years back and freshened with new pistons and had the crank checked out (it was perfect) it was rode twice that year then has not been used since. Motor was trail ported by Bender, they also modified the head. Has V-force reeds and reed spacers. Motor is complete with all electronics and recoil (its not on in the pictures but its included) Motor is clean, I started it before I pulled it and it runs great still. 125# of compression in all three. Ive owned this motor from new, it has never been hurt. I have the pipes and carbs that were used on this if someone is looking for a package deal Im open to offers... 600 shipped in the 48.

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Im not 100% sure. I can get a picture of the mounts and such, I also have a CDI and coils (if they were different) been a long time since I looked under the hood of a viper.
 
Would this drop right in a viper? I've had mm's but not sure what kind of mounting/electrical differences

No, it wont drop into a viper without changing the front bulkhead and front engine mounts. Lots of rivets to change out the front bulkhead but can be done. You would need the wiring and cdi for the 700 redhead too.
What you would have in the end would essentailly be an sx venom :face-icon-small-win
 
Interested buyer on the engine. Posting this for a friend that blew up his 2000 mountain max last week. His name is Chad and his number is 605-209-0042 and lives in Rapid city sd.
 
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