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Old 05-28-2012, 09:30 PM   #13
DiabloADV OP
Joined: Oct 2010
Location: Nor Cal, USA
Oddometer: 2,252
Getting farther along in the teardown (got sidetracked solving a bad cylinder problem).'s the head tube setup.

The steer tube is ~25.8mm (+/- 0.2mm) at the upper and lower bearing. Isn't the stock airhead bearing 28mm ID...? My micrometer isn't perfect, but it's not that far off.

Any thoughts on what's been done here?

EDIT: I found the specs for an XR600 bearing -- 26mm, top and bottom. So, that's what I have here. Rather than an airhead steer tube pressed into the triple, I have a stock XR600 triple, with the head tube on my frame having been modified to fit. Good to know, should I ever need to replace the triples or the bearings...

1974 R90/6 w/1050 kit. Motor only. Seeking a frame.
1970 R60/5

'91 Bill Holland Steel w/Dura Ace
'01 Z3 3.0 Coupe. The Clownshoe.

DiabloADV screwed with this post 05-29-2012 at 08:02 AM
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