Author Topic: 'How To' JL pipe mod  (Read 2958 times)

0 Members and 1 Guest are viewing this topic.

Offline pdxjim

  • Fully Ported
  • *
  • Posts: 926
  • Portland, Oregon!
    • View Profile
Re: 'How To' JL pipe mod
« Reply #15 on: February 24, 2020, 01:01:28 PM »
Why not just replace the studs with allen cap head bolts?
Jim,
All aircooled  RD350's and 400's have the top exhaust studs in the cylinders go into a open backside threaded hole and most don't come out from rust and corrosion. So the chances of the studs coming out and leaving good threads is really slim.
I have to drill them out 90% of the time.
If I do get them out...I'll use the new shorter studs.
C

Thx for that Chuck.  Been awhile since I messed with aircooled RD cyls.  Last few bikes I’ve done, TDR, KH400, and LC I’ve had more trouble keeping the studs in than getting them out.
Wasting time on 2T forums since the dawn of the internet.

Online RDFL

  • Fully Ported
  • *
  • Posts: 715
    • Orlando
    • View Profile
Re: 'How To' JL pipe mod
« Reply #16 on: February 25, 2020, 03:17:53 PM »
Great work, I knew spacing was different from having to slot flanges sometimes but did not know was that much.

Online RDFL

  • Fully Ported
  • *
  • Posts: 715
    • Orlando
    • View Profile
Re: 'How To' JL pipe mod
« Reply #17 on: February 25, 2020, 03:21:22 PM »
The socket nuts were delivered today - two days after I ordered them..
   Are you in Hawaii if so that's impressive.

Offline Hawaii-Mike

  • Supporter
  • Stage 2
  • *
  • Posts: 313
    • View Profile
    • Hawaii Realtor
Re: 'How To' JL pipe mod
« Reply #18 on: February 25, 2020, 09:27:35 PM »
Yes I'm in Honolulu and I was shocked!  Priority should only take 2-3 days however vendors seem to be allergic to mailing things here.

Offline rd400greenhorn

  • Stage 2
  • *
  • Posts: 311
    • View Profile
Re: 'How To' JL pipe mod
« Reply #19 on: April 10, 2020, 03:11:07 PM »
Chuck
This setup does not use an o ring?
Only the base gasket?


Offline SUPERTUNE

  • Moderator
  • Fully Ported
  • *
  • Posts: 922
  • Living a happy 2stroke life with 2stroke friends!
    • View Profile
Re: 'How To' JL pipe mod
« Reply #20 on: April 14, 2020, 12:17:17 AM »
I did use a ring gasket on the base with Ultra gray gasket maker and no o-ring just glue into the spigot with the same Ultra gray gasket maker.
Chuck
RD machine work, boring, porting, cranks and engine building.


Chuck 'SUPERTUNE' Quenzler III
Team Scream Racing LLC
1920 Sherwood St. STE A
Clearwater, FL. 33765
cqsupertune@tampabay.rr.com

Offline quocle603

  • Supporter
  • Fully Ported
  • *
  • Posts: 617
  • Brapppppp!
    • USA
    • View Profile
Re: 'How To' JL pipe mod
« Reply #21 on: August 21, 2020, 10:31:29 AM »
Do not underestimate the power of a two-stroke.

1975 Yamaha RD350 (modified), 1973 Yamaha RD350 (stock), 1971 Suzuki T500, 1981 Yamaha XS650 HS2, 1982 Honda MB5, 1980 Puch Maxi, 1979 Puch Magnum, 1993 Tomos Bullet, 2003 Malaguti Firefox F15 LC