Joined: 31 Oct 2005
Posted: Wed Sep 26, 2007 10:02 am Post subject: Headrace Bearing upgrade
Being a bearing man I'm always looking for samples to identify and thanks to Marshman who sent me a headrace sample I can now advise all that the sizes are 30 x 55 x 17, and ties up with a popular motorbike taper roller we sell being a 32006X. in top quality makes ( SKF / FAG / QUALITY JAP ) your looking at about ú10 / 12 each with decent discount. will take MUCH more load / punishment than any ball assembly you care to fit.
a very worthy upgrade come headrace time, well done marshman !!!
edited on 11mar2008 to put link in again - it did work when I put it in the first time - gremlins must have fiddled with it.
Yes, 93399-99932-00 BEARING is the standard Yamaha p/n for the 2006 FJR.
I'm sure that with the bearing in hand, a suitable replacement could be cross referenced at any bearing supply house, much cheaper and quicker than thru Yamaha!
FYI - Timken is a brand name, not a style or type of bearing.
The Timken company was recently bought by another bearing company, whose name I can't recall.
Yep Jack I know all that , I have a mate that owns a bearing service
When I booked my bike in for its 50K service , I told the dearler that seeing the head stem was coming apart ,I would like to change the bearings
The std bearings are still ok , but what the hell , I will get em replaced just for fun with tapered bearings
The Yamaha dearler asked me if I could maybe find out the number for the Timpken Bearing