Results 1 to 7 of 7
  1. 05-02-2008, 10:33 AM #1
    big raider
    big raider is offline
    old school big raider's Avatar
    Join Date
    Sep 2006
    Location
    dallas,tx
    Posts
    1,423

    gp 1200 head bolts

    anyone know the size and length of the head bolts on a 97-99 gp1200 stock head-need the 10 on the outside bottom and the 4 on the head cover that bolt to the cylinder- thanks mark
    Reply With Quote Reply With Quote

  2. 05-02-2008, 10:38 AM #2
    97GPSLEEPER
    97GPSLEEPER is offline
    DAGO RACING CREW 97GPSLEEPER's Avatar
    Join Date
    Apr 2006
    Location
    Orange, TX
    Posts
    4,241
    +1
    171
    Does the online parts finder show the size & length? If not I can look in my service manual for you.
    Reply With Quote Reply With Quote
  3. 05-02-2008, 12:47 PM #3
    big raider
    big raider is offline
    old school big raider's Avatar
    Join Date
    Sep 2006
    Location
    dallas,tx
    Posts
    1,423
    Quote Originally Posted by 97GPSLEEPER View Post
    Does the online parts finder show the size & length? If not I can look in my service manual for you.
    no it doesnt- thanks brandon
    Reply With Quote Reply With Quote
  4. 05-02-2008, 01:41 PM #4
    addicted
    addicted is offline
    cheatin' piston popper addicted's Avatar
    Join Date
    Jul 2006
    Location
    north jersey
    Posts
    6,188
    +1
    176
    I am almost positive that they are M8 x 55mm on the perimiter bolts. don;t know about the 4 long ones.
    Reply With Quote Reply With Quote
  5. 05-02-2008, 01:44 PM #5
    akatitan
    akatitan is offline
    Join Date
    Feb 2008
    Location
    Ashford,Kent,UK
    Posts
    115
    any help?

    looking at the pic i would say 10 M8x50mm 4 M8x65mm but dont take my word for it!
    Attached Thumbnails Attached Thumbnails Click image for larger version.  Name: gp1200head.jpg  Views: 81  Size: 1.73 MB  ID: 70723  
    Last edited by akatitan; 05-02-2008 at 01:57 PM.
    Reply With Quote Reply With Quote
  6. 05-02-2008, 01:57 PM #6
    97GPSLEEPER
    97GPSLEEPER is offline
    DAGO RACING CREW 97GPSLEEPER's Avatar
    Join Date
    Apr 2006
    Location
    Orange, TX
    Posts
    4,241
    +1
    171
    That should work.
    Reply With Quote Reply With Quote
  7. 05-02-2008, 04:11 PM #7
    addicted
    addicted is offline
    cheatin' piston popper addicted's Avatar
    Join Date
    Jul 2006
    Location
    north jersey
    Posts
    6,188
    +1
    176
    Quote Originally Posted by akatitan View Post
    any help?

    looking at the pic i would say 10 M8x50mm 4 M8x65mm but dont take my word for it!
    Hey, that's cheating
    Reply With Quote Reply With Quote
« no spark on number 1... | Need help with 1100 rebuild with 1200 cylinders »

Thread Information

Users Browsing this Thread

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

Similar Threads

  1. 99 gp 1200 engine bolts
    By Kx250pilot in forum Yamaha PWC Performance (2-stroke)
    Replies: 0
    Last Post: 05-29-2016, 08:14 PM
  2. 99 Gp 1200 head
    By Jonshsmith in forum Yamaha PWC Performance (2-stroke)
    Replies: 0
    Last Post: 04-19-2012, 07:27 AM
  3. GP 1200 Head on 1100 cylinders & pistons
    By o0 RASTA 0o in forum Yamaha Old School Skis
    Replies: 1
    Last Post: 07-08-2009, 10:59 AM
  4. GP 1200 Head - does anyone have one that they do not want or sale?
    By o0 RASTA 0o in forum Yamaha Old School Skis
    Replies: 11
    Last Post: 07-08-2009, 08:38 AM
  5. Need stock gp 1200 non pv head
    By jctmotorsports in forum Yamaha Old School Skis
    Replies: 2
    Last Post: 07-04-2008, 10:43 AM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

Forum Rules