Page 1 of 3 1 2 3 LastLast
Results 1 to 10 of 29

Thread: My GP1200R Redo

  1. #1
    banone403's Avatar
    Join Date
    Jun 2009
    Location
    Wilmington/Charlotte, NC
    Posts
    118

    My GP1200R Redo

    So I bought my 00 gpr about a year ago. It came with a ride plate and intake grate and other different things I eventually found out (and probably more still to find). This is my first ski and I was very excited to finally get one. The engine is a new SBT engine that supposedly had 3 hours when i bought it. Ran it all last summer and then started to have a lean runaway as I started it out of the water. So I was dumb and let it sit over the winter and now decided to start working on it.

    I figured to start by getting the carbs rebuilt and putting a new stock head that the guy gave me with the ski. I sent my carbs to osidebill and found they were complete junk so he gave me a great deal on a set of freshly rebuilt carbs jetted to what i needed and with dual feed setup.
    old heads

    old carbs

    new carbs from bill

    all installed with prok fa's

    So after getting everything hooked up the ski was not getting any gas to the cylinders, so i figured it may be the crank seals so i decided to take the engine out since I wanted to check everything out anyway.
    pics coming


  2. #2
    banone403's Avatar
    Join Date
    Jun 2009
    Location
    Wilmington/Charlotte, NC
    Posts
    118
    engine out



    just got the flywheel off

    all of the parts

    had some time so i took my stickers off

    Now i am about to split the case. Any tricks or advice to get this done?
    thanks

  3. #3
    Lookin' good so far. You'll be surprised at how easily the cases come apart. I used a low power 1/2" impact wrench (Coleman) to get them apart. If you find it doesn't come apart easily, you probably missed a bolt somewhere like I did. Once you get everything apart, I recommend chasing the bolt holes with a tap to get all the old locktite out.

  4. #4
    banone403's Avatar
    Join Date
    Jun 2009
    Location
    Wilmington/Charlotte, NC
    Posts
    118
    it feels tight so ill check all the bolts to see if i missed any

  5. #5
    banone403's Avatar
    Join Date
    Jun 2009
    Location
    Wilmington/Charlotte, NC
    Posts
    118
    got the case split last night. how do i get the rear oil seal off?

  6. #6
    Try not to smile on a Jetski... GPRFrank's Avatar
    Join Date
    Sep 2009
    Location
    NJ
    Posts
    542
    +1
    1

    Looks good

    Nice clean work You have to remove the PTO coupler off the crank to remove seals. I use a yamaha coupler removal tool that I bought through Riva. I know sbt recomends a chain wrench but Ive seen people us them and it leaves teeth marks.Im sure lots of companys carry them as well. Is the SBT crank trued/welded?

  7. #7
    banone403's Avatar
    Join Date
    Jun 2009
    Location
    Wilmington/Charlotte, NC
    Posts
    118
    Thanks! The crank is welded and i would guess it is trued too. Should i check it with a dial indicator before i put the crank back in?

  8. #8
    You don't need a special tool to take off the coupler. Just put the crank in a vise and cushion it with wood or cardboard. It doesn't have to be very tight, just enough to keep it from spinning. Wrap a rag around a long breaker bar and stick it between the teeth of the coupler. This should work for you. It's also a standard thread so counter clockwise will do the trick.

  9. #9
    banone403's Avatar
    Join Date
    Jun 2009
    Location
    Wilmington/Charlotte, NC
    Posts
    118
    yea i was just thinking about putting a breaker bar in there to turn it. also good to know that it is standard thread, thanks

  10. #10
    banone403's Avatar
    Join Date
    Jun 2009
    Location
    Wilmington/Charlotte, NC
    Posts
    118
    got the seals and cylinder gaskets today. i was looking at my crank and noticed one of the bearing pins broke off. Does this need to be replaced? Can i drill the old one out and put a new one in if it needs replaced?

Page 1 of 3 1 2 3 LastLast

Thread Information

Users Browsing this Thread

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

Similar Threads

  1. Selling my GP1200R
    By iam026tb4u in forum Yamaha 2 Stroke Skis
    Replies: 3
    Last Post: 09-10-2009, 09:02 PM
  2. New BEST GPS Speed on my GP1200R
    By stifun in forum Yamaha PWC Performance (2-stroke)
    Replies: 11
    Last Post: 04-12-2009, 07:22 PM
  3. where i could get the riva battery tray for my gp1200r
    By mike1706 in forum Yamaha PWC Performance (2-stroke)
    Replies: 8
    Last Post: 02-06-2009, 03:06 PM
  4. My gp1200r sized after ten minutes.Pictures Help
    By argus in forum Yamaha PWC Performance (2-stroke)
    Replies: 10
    Last Post: 10-07-2008, 10:22 AM
  5. My Gp1200r
    By birel33 in forum Yamaha Open Discussion
    Replies: 9
    Last Post: 05-04-2007, 08:46 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
  •