Wednesday, March 14, 2018

Installing hardened #valveseats in #bmwmotorrad #cylinderhead After pressing new seats into the preheated head, the new seats are milled to height, based on the new rotating valves. The three angle seat geometry is then milled. #vintagemotorcycle #vintagebmw #bmwvintagemotorcycle #machineshop #motorcycleshop


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