Motorcycle restoration basics

Motorcycle restoration rewards patience more than brute force. A bike is easier to move around than a car, but every part is exposed, so mistakes show.

Start with the frame. Strip it completely, check for cracks around the head stock and swing-arm pivots, and straighten it before any paint goes on. Powder coating is durable, but make sure threads and bearing seats are masked.

Engine next. Strip, measure and photograph every component. Replace bearings, seals and gaskets as a matter of course. Do not assume a crank or cam is reusable until it has been measured.

Tank and mudguards. Remove all traces of old sealant before relining the tank. Dents in steel tanks can be pushed out from the inside, but thin tinwork needs a specialist.

Wheels and brakes. Rebuild the wheels with new spokes and rim tape. Re-sleeve or replace brake drums, and renew every brake line and rubber hose.

Electrics. A new wiring loom is usually the best money you will spend. Fit a modern regulator-rectifier if you are running a dynamo or alternator that has been rebuilt.

Final assembly. Seat, tank, bars and controls go on last. Set the points, timing, fuel and throttle before the first start.