Classic Motorcycle Mechanics

Hit The Powerband!

G’day! When a courier rang my doorbell the other day and handed me a heavy box, I knew what it was right away. It had come from Brisbane, Queensland, so it had to be my RM80 cylinder, crank and piston.

I’d sent the barrel and crank off to Serco, a company that specialises in lots of machining jobs, as well as imports Wiseco and lots of other brands such as Dynojet. Anyway, the workshop guys are a team of skilled machinists and engine builders so I trusted them to do the re-boring and while they were at it, I sent the OEM con-rod kit and the crankshaft along to be pressed up for me.

At only $80 AUD to do the crank and

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