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  1. R

    piston size?

    so would it be a good idea to get the 83mm pistons and rings, cyl are in good shape just rebuilding b/c compression was a little low and im redoing the whole ski, ive refoamed returfed and etc and going all out thats the reason for rebuilding so the rings should seat the difference of the .3...
  2. R

    piston size?

    o sorry... its a 98 superjet 701 what is stock size for the 701 motor? does it make a difference between the two diff 701 motors (as in the 61x or the the other one?)
  3. R

    piston size?

    im rebuilding the top end....dont know any history of it prior to me owning it... i measured the pisotns and its approx 3.280" is that stock size or has it been bored out before thanks brent
  4. R

    frankenstein Snowmobile hood repair

    first one is a level ground catwalk second one is a drift bust
  5. R

    frankenstein Snowmobile hood repair

    heres my sled i built.... not in it for looks im in it for fun and when it doesnt look good then you can have more fun
  6. R

    scupper valve help!!!

    the one is definitly unreusable and since i need a new one i was just gonna order both, the other one is flipped already but the one thats cut is useless and lets water in like crazy (so i ended up siliconing it shut for a little while but now im rebuilding the whole thing so it time to do it...
  7. R

    scupper valve help!!!

    i have two scupper valves in my 98 superjet i bought it with them already in there, the rubber flaps on them are both leaking (one has a huge slice in it from who knows what) theres no markings on them to say what brand they are or anything of that matter but i need to find two rubber flaps for...
  8. R

    yamaha 701 questions?

    yea i know 200psi is to much for pump.........i run 110
  9. R

    Pisser installation

    i would put the pisser on the 3rd spoke to the right of the top LOL :pokey:
  10. R

    yamaha 701 questions?

    yea im pushing 150 evenly with domes that should be running 200 ill build it before next season lol
  11. R

    yamaha 701 questions?

    its supposed to be about 200 psi with race gas but the motor is tired so this winter im pulling it apart and rebuilding it....cuz im way low on compression run it till it bleeds and bleed it for living...
  12. R

    yamaha 701 questions?

    yea i read that but id still ike to know what all i have....so ill post some pics too and any extra info is always nice....
  13. R

    yamaha 701 questions?

    ill get some pics this weekend when i head back up to the lake.......thanks for your input and help... im assuming its converted b/c theres not much stock looking about the single carb set up... but ill get some pictures this weekend and get some more input.... like i said this is the...
  14. R

    yamaha 701 questions?

    is there any markings on the case to determine what it is? since its been converted to a single carb setup and its a 98? or would i have to tear it down and measure to determine what i have?
  15. R

    yamaha 701 questions?

    ok first off ive got a 98 rn sj.....so heres a couple questions 1) whats the difference between 61x and 61t motors 2) how do i know what i have 3)what does it take to convert a 701 to a 760 4) where can i find bb kits? i already have a riva head with 31cc domes already girdled b-pipe so i...
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