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BIG ENGINE tiny frame

Discussion in 'XJ Technical Chat' started by apato632, Nov 23, 2009.

  1. apato632

    apato632 Member

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    Can you stuff an 81 750 Maxim engine in a 81 650 Maxim frame?
     
    apato632, Nov 23, 2009
    #1
  2. organizedinsanity

    organizedinsanity Member

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    Yeah it will bolt right in. Aside from bigger pistons they have very few differences.
     
    organizedinsanity, Nov 23, 2009
    #2
  3. schooter

    schooter Active Member

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    yessir slam her in there
     
    schooter, Nov 23, 2009
    #3
  4. apato632

    apato632 Member

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    Thanks guys.
    What won't fit? 1981 XJ650 Maxim frame. 1981 XJ750 Maxim everything else. The seat will mount differently. Fork sizes the same. Side panels won't fit, I guess. Back wheel? Will that fit? What about the airbox?
     
    apato632, Nov 23, 2009
    #4
  5. MiCarl

    MiCarl Active Member

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    It all fits.

    There is an issue with shifting though. The 750 has a frame mounted shift linkage where on the 650 the lever mounts straight to the shift shaft. If you just stick a lever on the 750 the shift pattern is reversed and you need a really long foot to shift it.
     
    MiCarl, Nov 24, 2009
    #5
  6. apato632

    apato632 Member

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    Thanks!
     
    apato632, Nov 24, 2009
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