Flywheel Need to be Removed to Split Crankcase? 750sx - Page 2
pxctoday

» Log in

User Name:

Password:

Not a member yet?
Register Now!

» Find OEM Parts

» Jobs

» wallpapers

Page 2 of 3 FirstFirst 123 LastLast
Results 11 to 20 of 23
  1. #11
    PWCToday.com Is My Home Away From Home WFO Speedracer's Avatar
    Join Date
    Aug 2006
    Location
    Al-ugh-bam-ugh
    Posts
    26,601

    Re: Flywheel Need to be Removed to Split Crankcase? 750sx

    I always used BR549 seals , I don't even split the case though just drive em home with a BFH
    Y'all know me, still the same O.G. but I been low-key
    hated on by most these &^$$@s with no cheese, no deals and no G's, no wheels and no keys, no boats, no snowmobiles, and no skis, mad at me cause I can finally afford to provide my family with groceries

    I was 300SXing when 300SXing wasn't cool !

  2. #12
    PWCToday Regular
    Join Date
    Aug 2018
    Location
    Texas
    Posts
    114

    Re: Flywheel Need to be Removed to Split Crankcase? 750sx

    Quote Originally Posted by JonnyX2 View Post
    Impact wrench and they usually pop right off. Don't get crazy and strip out the threads. Some are a little tougher and require some controlled tapping with a hammer, especially if it is the original and has been on there for almost 30 years...
    Make sure you lap the crank snout to the flywheel when you reinstall it. Use valve grinding compound. Use red loctite on the flywheel bolt (I personally NEVER reuse flywheel bolts) and torque to spec. Re-torque after a few hours of riding.
    I'm trying to get the flywheel off now. Have the coupler tool locking down the coupler (with a steel tube hitting against the garage floor so it doesn't move). Also have the flywheel removal tool (pin) screwed in the flywheel side. This thing won't budge. Wanting to ensure that I don't do anything incorrectly.

    My next step is to apply some heat and then maybe tap with a hammer. Let me know if anyone has additional advice.

  3. #13
    PWCToday Regular
    Join Date
    Aug 2018
    Location
    Texas
    Posts
    114

    Re: Flywheel Need to be Removed to Split Crankcase? 750sx

    Quote Originally Posted by keck View Post
    I'm trying to get the flywheel off now. Have the coupler tool locking down the coupler (with a steel tube hitting against the garage floor so it doesn't move). Also have the flywheel removal tool (pin) screwed in the flywheel side. This thing won't budge. Wanting to ensure that I don't do anything incorrectly.

    My next step is to apply some heat and then maybe tap with a hammer. Let me know if anyone has additional advice.
    Heat worked!

  4. #14
    PWCToday Regular
    Join Date
    Aug 2018
    Location
    Texas
    Posts
    114

    Re: Flywheel Need to be Removed to Split Crankcase? 750sx

    What happens if I removed the flywheel prior to removing the coupler? Do I need to reassemble and start over?

  5. #15
    PWCToday.com Is My Home Away From Home
    Join Date
    Aug 2011
    Location
    Austin, Texas, USA
    Age
    53
    Posts
    8,543

    Re: Flywheel Need to be Removed to Split Crankcase? 750sx

    Quote Originally Posted by keck View Post
    What happens if I removed the flywheel prior to removing the coupler? Do I need to reassemble and start over?
    You can try the rope trick in the cylinders or put the flywheel back on.
    Riding mostly Lake Austin

    1984 JS440 -- 1989 650sx -- 1991 X2 -- 1992 750sx -- 1995 900zxi (qty 2) -- 1995 X2

    Quote Originally Posted by cujo View Post
    God intended PWC to be two strokes, as well as dirt bikes, snowmobiles, and chain saws....

  6. #16
    PWCToday.com Is My Home Away From Home mcn6's Avatar
    Join Date
    Apr 2006
    Location
    Oregon
    Age
    60
    Posts
    3,135

    Re: Flywheel Need to be Removed to Split Crankcase? 750sx

    Since the crank is coming out anyway simply mount the rear crank web in a vise, heat the drive coupler to soften the Loctite and remove the coupler.



    Home of Newmiller Machine

  7. #17
    PWCToday Regular
    Join Date
    Aug 2018
    Location
    Texas
    Posts
    114

    Re: Flywheel Need to be Removed to Split Crankcase? 750sx

    Quote Originally Posted by mcn6 View Post
    Since the crank is coming out anyway simply mount the rear crank web in a vise, heat the drive coupler to soften the Loctite and remove the coupler.
    Is it correct to put the portion of the crank circled in blue into the vise? (see photo)

    crank.jpeg

  8. #18
    Attention ***** PWCToday.com Is My Home Away From Home JonnyX2's Avatar
    Join Date
    Jun 2006
    Location
    Sin City USA
    Age
    56
    Posts
    29,790

    Re: Flywheel Need to be Removed to Split Crankcase? 750sx

    NO, you are going to damage the key or worse. Remove the crank from the case, and do as Newmiller said.
    Quote Originally Posted by Firebird A/C&Heating View Post
    OMG.....Rules for 550 vintage ski class...550 ski riders do not conform to any kind of rules. That is why you are riding a 550 ski in the first place. Rules suck....
    PS...the rule book will be in my 550 pump
    Quote Originally Posted by WB1994
    Listen , stop your cryin' , its only an X2.

  9. #19
    PWCToday Regular
    Join Date
    Aug 2018
    Location
    Texas
    Posts
    114

    Re: Flywheel Need to be Removed to Split Crankcase? 750sx

    Quote Originally Posted by JonnyX2 View Post
    NO, you are going to damage the key or worse. Remove the crank from the case, and do as Newmiller said.
    Ok. Was trying to follow Newmiller's advice -- just didn't know which piece was the "rear crank web".

  10. #20
    Attention ***** PWCToday.com Is My Home Away From Home JonnyX2's Avatar
    Join Date
    Jun 2006
    Location
    Sin City USA
    Age
    56
    Posts
    29,790

    Re: Flywheel Need to be Removed to Split Crankcase? 750sx

    Quote Originally Posted by Firebird A/C&Heating View Post
    OMG.....Rules for 550 vintage ski class...550 ski riders do not conform to any kind of rules. That is why you are riding a 550 ski in the first place. Rules suck....
    PS...the rule book will be in my 550 pump
    Quote Originally Posted by WB1994
    Listen , stop your cryin' , its only an X2.

Page 2 of 3 FirstFirst 123 LastLast

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