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  1. #1
    Piston? WHAT Piston?!? JGringo's Avatar
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    Largest Drop-in Engine in SL 750 Hull possible?

    Whats the largest cc engine that is even possible to drop in a SL 750 hull?
    I currently have a 780 but I know I could easily put the 785. But could I squeeze any other engine in there for some more POWER?!


  2. #2
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    Buy a bigger ski, it'll be cheaper. A 785 makes more power than most engines bigger than it anyway.

  3. #3
    100 MILES OF HEAVEN AND I AM SMACK IN THE MIDDLE KEYZBUM's Avatar
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    big motor!!!

    i have been toying with an idea for bigger cc motor with stock parts
    785 crank 780 top end for 825cc single pipe
    good power roll on ,,no "light switch" acceration but i like bigger cc's from stock parts,,,
    just a thought not sure if it would even work yet (port timing)vs(ignition timing)
    thats my penny and a half for now
    thanks
    mattman
    Last edited by KEYZBUM; 08-23-2007 at 03:00 AM.

  4. #4
    Piston? WHAT Piston?!? JGringo's Avatar
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    The only way that would work is if you put a spacer inbetween the block and the casing right? the extra cc's come from the longer stroke correct? I think you would have major port and ignition timing problems. BUT, if it some how moraculously works, lmk cause I wanna do it

  5. #5
    Moderator beerdart's Avatar
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    The 785 is 779cc 750 bore stroked.

  6. #6
    100 MILES OF HEAVEN AND I AM SMACK IN THE MIDDLE KEYZBUM's Avatar
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    Quote Originally Posted by beerdart View Post
    The 785 is 779cc 750 bore stroked.
    JGringo ,,,sorry did not mean to hijack your thread

    HEY BD do you think it could work or ??????

  7. #7
    Piston? WHAT Piston?!? JGringo's Avatar
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    hey idc i wanna know too!

  8. #8
    www.springbreak-florida.com rgard32's Avatar
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    I talked to randy at watcon about a 780 crank with 785 cylinders..and he said it would run but not very good....so i dont think the opposite would run good either..(785 crank with 780 clyinders)


    ps--the 785 crank has a 2-3mm(cant remember which) longer stroke than the 780 crank..

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