Author Topic: Wanted YZ250 1979, IT250 81 Inner tube dia 38mm x 650-700mm long  (Read 1300 times)

0 Members and 1 Guest are viewing this topic.

Offline oldyzman

  • Legend
  • *****
  • Posts: 2187
  • 250 two stroke!
    • View Profile
Hello Guys,
The forks on my yz250 have just been re-assembled after a placing new seals, I cleaned them out and used 15 wt oil. one works fine the other seems to work well when compressed slow but when compressed fast it seems to feela bit like a stapler- this happens at different ranges of the forks, I then swapped the inner tube from the good one to the bad and that fixed the problem. The chrome is getting was bit thin down the lower end. I also removed the inner tube and fine honed the inner of the fork tube with lite scothbrite as there seemed to be a bit of pitting inside, this seemed to help the prob a bit. Any ideas guys. Or does anyone know if there is a fork inner available some where.
OLDYZMAN
I have a soft spot japanese mxers with aluminium tanks. Two stroke classic Dirt Track...

Offline LWC82PE

  • Superstar
  • ******
  • Posts: 6006
    • View Profile
    • PE motorcycles & SuzukiTS.com
« Last Edit: April 06, 2009, 10:32:37 pm by LWC3077 »
Wanted - 1978 TS185 frame or frame&motor. Frame # TS1852-24007 up to TS1852-39022

Offline oldyzman

  • Legend
  • *****
  • Posts: 2187
  • 250 two stroke!
    • View Profile
Re: Wanted YZ250 1979, IT250 81 Inner tube dia 38mm x 650-700mm long
« Reply #2 on: April 07, 2009, 09:29:52 pm »
Thanks LWC will check it out. do you think the pitting on the inside of the inner tube will matter much as the dampener plunger euns in there.....
I have a soft spot japanese mxers with aluminium tanks. Two stroke classic Dirt Track...

Offline LWC82PE

  • Superstar
  • ******
  • Posts: 6006
    • View Profile
    • PE motorcycles & SuzukiTS.com
Re: Wanted YZ250 1979, IT250 81 Inner tube dia 38mm x 650-700mm long
« Reply #3 on: April 07, 2009, 10:15:32 pm »
oh i missed that. how bad is it?
Wanted - 1978 TS185 frame or frame&motor. Frame # TS1852-24007 up to TS1852-39022

Offline Nathan S

  • Superstar
  • ******
  • Posts: 7275
  • HEAVEN #818
    • View Profile
Re: Wanted YZ250 1979, IT250 81 Inner tube dia 38mm x 650-700mm long
« Reply #4 on: April 08, 2009, 10:10:06 am »
I've probably got a nice pair of forks spare.
Will have to wait until I get home on Friday arvo to check.

Call me sometime over the weekend and I'll check for you.
04000 23847
The good thing about telling the truth is that you don't have to remember what you said.

Offline oldyzman

  • Legend
  • *****
  • Posts: 2187
  • 250 two stroke!
    • View Profile
Re: Wanted YZ250 1979, IT250 81 Inner tube dia 38mm x 650-700mm long
« Reply #5 on: April 12, 2009, 08:12:38 am »
The pitting is not too bad< I honed the inner of the inner with lite scothchbrite. seemed to make it better. But not perfect.
I am really after a couple of inner tubes for yz250f only as the IT ones previously mentioned have a slightly different setup. As the YZ ones do not seem to have the lower metal slide bush on them, is this normal or is something wrong?
Cheers Brett
I have a soft spot japanese mxers with aluminium tanks. Two stroke classic Dirt Track...