SOHC.co.uk Forums > CB350/400

Rear wheel bearings

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PatM:
All

In conclusion to this..

My Bro came round the other night and said he had arranged for the wheel to go to an local engineering Firm in Bexley that does bike-stuff. Just as weel, as it goes- cos they took his new wheel and old wheel- removed the BN bearings and fitted the old ones- Dave (Bro) had ridden the bike WITHOUT the spacers (both missing) and more importantly- the one in the bearing behind the retaining ring- and boogered it.
 The guy who had sold him the wheels- ''all reconditioned and new bearings fitted, for

Yoshi823:
I think that the place in Bexley may well be these people who advertise in Classic MCM magazine... http://engineeringsolutionsuk.com/

While on the subject of this magazine, in the October edition there're a couple of lovely pictures of a CR750 engine...the crank is a polished, balanced & lightened. Reminds me of what I had in my 750F2.

MIKE550/4:
with mine it helped to heat up the hub  ;)

exvalvesetdabbler:
Warm the hub up with a hot air gun. One way is  to use a metal rod  about 2mm smaller in diameter than the axle with the end ground at a very slight angle and a small step. It's usually enough to nudge the spacer sideways a bit. Keep moving round so that you drift it out straight. As soon as the bearing moves a little the spacer should be able to move sideways a bit more.

When putting the new bearings in, put them in the freezer for a while and grease the outside surface well. Make sure that you only hit only the outside ring when putting new ones in.

Regards
DJW

PatM:
Thanks for all your suggestions and help on this.
The wheel is back on the bike and running well- and looking nice!
But a warning to others- a rebuilt wheel with new bearings may not be as re-built as you think! Brother rode the bike, and ruined the bearing thats normaly got the spall spacer- with disasterous results..

Rgds


PatM

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