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Fork Tubes

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redzee
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Fork Tubes

#1 PostAuthor: redzee » Mon Mar 19, 2012 9:58 pm

Guys,
Does anyone know if Z1000J1 (1981) fork tubes are the same as/will fit my Z1000J3 (1983)?
Cheers
Eight valve grunt.
Remember, growing old is inevitable, growing up is optional.

Z1000J3, RD350(1973), RD250E, TZR250 2MA,
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z1bman
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#2 PostAuthor: z1bman » Mon Mar 19, 2012 10:31 pm

the j1/j2 are the same + the air valve is part of the fork top nut .the j3 has a hole in the tubes just above the bottom yoke + is covered + sealed by the air transfer tube which links the two tubes with air.
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redzee
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#3 PostAuthor: redzee » Tue Mar 20, 2012 7:17 pm

z1bman wrote:the j1/j2 are the same + the air valve is part of the fork top nut .the j3 has a hole in the tubes just above the bottom yoke + is covered + sealed by the air transfer tube which links the two tubes with air.


Cheers z1bman,
So if I took a pair of J1 tubes to work and blasted in new air holes in correct places (with a CNC EDM sinker) I would then have forks the same as the grotty J3 pair I have now.
Cheers for that.
Eight valve grunt.

Remember, growing old is inevitable, growing up is optional.



Z1000J3, RD350(1973), RD250E, TZR250 2MA,
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z1bman
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#4 PostAuthor: z1bman » Tue Mar 20, 2012 8:21 pm

the fork top nuts are different i have no idea if they are the same thread size. but i would guess they are the same . fine thread i think?
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