640 770 crank swap
pxctoday

» Log in

User Name:

Password:

Not a member yet?
Register Now!

» Find OEM Parts

» Jobs

» wallpapers

Results 1 to 3 of 3
  1. #1
    PWCToday Regular daltonace's Avatar
    Join Date
    May 2017
    Location
    covington IN
    Age
    27
    Posts
    53

    640 770 crank swap

    will the 640 and 770 cranks swap between the two case i got a 640 with the 24mm threads same as a 770 with a bad top end and i have a chance to get a 770 that the crank has started to go in he caught it before it nuked everything i was think of buy it and putting my crank in the 770 will this work i look on sbt the part numbers are not the same but i can not figure out whats different with out take apart a running 770

  2. #2
    PWCToday.com Is My Home Away From Home Myself's Avatar
    Join Date
    Jun 2006
    Location
    Arkansas
    Age
    43
    Posts
    6,174

    Re: 640 770 crank swap

    It's completely different. It won't work.
    http://www.facebook.com/twinlakesjetskirepair

    '89 Kawi 650SX 42.4 GPS
    +3" stock pipe, ported ex. manifold, drilled waterbox, blueprinted pump, Ocean Pro ride plate

    '99 Yama GP1200 65U 61.8 GPS
    ported cylinders, matched cases, milled head, blueprinted pump, long ride plate

    '96 Seadoo HX 717 53.13 GPS
    light porting, massaged cases, lightened flywheel, port matched manifolds, Rossier pipe, stubby pump cone

  3. #3
    Frequent Poster
    Join Date
    Jan 2011
    Location
    iowa
    Age
    52
    Posts
    204

    Re: 640 770 crank swap

    I have adapter inserts for the smaller 18mm to 24mm output thread for those 640's on Feebay.

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Powered by vBadvanced CMPS v4.2.0