Page 1 of 3 1 2 3 LastLast
Results 1 to 10 of 22

Thread: honing nikasil

  1. #1

    honing nikasil

    Ive got a couple of spots that the crosshatch is gone.
    No grooves or scratches.
    I want to do a clean up hone job to freshen up the crosshatch pattern for new rings to seat.
    Everyone says you need a diamond hone but Lisle claims they have special stones just for this.
    Im waiting for a call back from the engineer there to confirm.Any input?
    Please dont suggest a dinkleberry hone. I dont want to remove material,just roughen it up.


  2. #2
    PolarisNut's Avatar
    Join Date
    Dec 2006
    Location
    Lower Michigan
    Posts
    1,809
    Take it to a pro and have them use a diamond hone. Silicon carbide stones will lightly scratch the surface, but won't leave as nice of a finish as diamond. You definitely don't want to use a dingleberry hone on nikasil...

  3. #3
    There is no VooDoo like BadVooDoo NeVerMind's Avatar
    Join Date
    Sep 2005
    Location
    Hammond, IN
    Posts
    413
    Sounds like what you want to do is remove the glaze off the cylinder walls (add a cross hatch) What you need to use ia a 240 grit Alum. Oxide ball hone. I know watcon sells one.. you can also search on google. Also, there are a few good posts on the subject.. Do a search for Ball Hone and nickasil.

  4. #4
    Quote Originally Posted by NeVerMind View Post
    Sounds like what you want to do is remove the polish off the cylinder walls (add a cross hatch) What you need to use ia a 240 grit Alum. Oxide ball hone. I know watcon sells one.. you can also search on google. Also, there are a few good posts on the subject.. Do a search for Ball Hone and nickasil.
    Sorry,hate to disagree but a ball hone(dinkleberry) is not something to use on a cylinder with ports.
    Still havent heard back from the engineer that makes hones,but would welcome comments on what has worked in lieu of a diamond hone.

  5. #5
    SpeedFreak
    Join Date
    Jul 2008
    Location
    Fond du lac Wisconsin
    Posts
    220
    Sorry to thread jack but when honing Nikasil do you need to replate the cylinders?

  6. #6
    PolarisNut's Avatar
    Join Date
    Dec 2006
    Location
    Lower Michigan
    Posts
    1,809
    Quote Originally Posted by jprochnow View Post
    Sorry to thread jack but when honing Nikasil do you need to replate the cylinders?
    No, as long as you don't go through the plating, you are fine.

  7. #7
    SpeedFreak
    Join Date
    Jul 2008
    Location
    Fond du lac Wisconsin
    Posts
    220
    So when is the only time to need to replate?

  8. #8
    PolarisNut's Avatar
    Join Date
    Dec 2006
    Location
    Lower Michigan
    Posts
    1,809
    Quote Originally Posted by jprochnow View Post
    So when is the only time to need to replate?
    When the plating is chipping, peeling, or scored.

  9. #9
    SpeedFreak
    Join Date
    Jul 2008
    Location
    Fond du lac Wisconsin
    Posts
    220
    This is a noob question but what is a score mark? Is it just a scratch or a gouge?

  10. #10
    JKR1300's Avatar
    Join Date
    Jan 2006
    Location
    St Louis & 6mm LotO
    Posts
    497
    +1
    6
    I've got 500 hours on my gpr cylinders. Unless you loose a piston, you do not need to renicasil a cylinder. (2) of my jugs have never been redone and they are in really good shape. It's amazing how well they hold up. The cyclinders are still within all service manual specs. I'm throwing in my 3rd set of pistons next week, and I am not even rehoning. I can still see the crosshatch on mine. I just talked to [email protected] about this since I'm going thru another rebuild now and this is his recommendtation. Solvent clean and your good to go.

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. Cylinder Nikasil Plating companies
    By RX951 in forum Yamaha How To & FAQs
    Replies: 6
    Last Post: 09-21-2015, 04:15 PM
  2. Honing Nikasil
    By tejhummer in forum Yamaha PWC Performance (2-stroke)
    Replies: 19
    Last Post: 09-20-2013, 06:52 AM
  3. can you hone nikasil
    By jeff12pv in forum Yamaha PWC Performance (2-stroke)
    Replies: 2
    Last Post: 03-18-2009, 09:21 PM
  4. Flex Hones
    By IrishGpr05 in forum Yamaha PWC Performance (2-stroke)
    Replies: 15
    Last Post: 08-23-2006, 10:05 AM
  5. Extrude Hone, and Jet Hot Group Package Deal
    By 1 FAST VE in forum 4-Tec Performance
    Replies: 1
    Last Post: 07-19-2005, 10:19 PM

Posting Permissions

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