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preparing for powder coating

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Ewan 500 K1:
thanks all, this is really useful. Still finding this forum amazing, how would I have coped pre web. Well, not well probably. As Bryanj says , its not possibe to drift the bearing seats out as theres no surface to drift against. I've put a blowtorch on them which resulted in a tiny smidgin of grease comin out, barely anything to speak of, after gunking them I'm pretty confident that grease release wont be an issue, so will just leave them in and go with pptom's blanking off solution and use sacrificial bolts and mask off all holes so that the powdercoaters aren't in any doubt. Found out today why the bike had 550 front forks .... the sterring stem is bent so it must have been front ended at some time. Bit spooky, hope whoever was riding at the time didnt suffer. I've got another steering stem form the basket case that I could use... but its got a ball bearing race seat on it , damned if I can see how to get that off now. Its also got a sterring lock on it and I cant see how to get that off either :( .. see pics

Ewan 500 K1:
ha , got an answer to the steering lock issue from the US forum: "my ko has the lock underneath the lower triple tree, you put the key in the lock and push up slightly and turn to the left and the lock should come out , there should be a little spring in there as well so watch out for it , if you have no key for the 76 you will have to drill it to destroy it then put a new lock in"  Just need to try and find the key !!

pptom:
Leave the race on for powdercoating / blasting to protect the metal underneath (although you will still have to deal with the grease - especially in the seal), to remove, just tap a flat bladed screwdriver in the gap underneath - between the rubber seal and race and work your way around, gradually levering it up - you only have to displace them about 5mm before they ping off.

Ewan 500 K1:
oh bloody hell, swop to straight stem and a new set of tapered bearings it is then.... the daughters going to have to downgrade  her wedding reception venue plans to the shed

Ewan 500 K1:
the £30 quid straw on the thousand quid camels back ha ha ..... any excuse to get a downsize on the weding will do

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