Author Archives: Viktor

At the rear suspension all needle bearings had to be replaced, because the old cages were full of water for years. Therefore the cages were corroded when they were removed. For the installation of the needle bushes I made a suitable bolt on the lathe to countersink the bushes so that the shoulder for the …

Continue reading “Renewal of rear suspension bearings”

The motorcycle frame and the rear swing arm were completely disassembled, the bearings from the swing arm will be replaced later. The frame was first cleaned with a parts cleaner and washed afterwards.

The clutch is now mounted, together with all the parts of the kickstarter, without any incidents. The water pump drive shaft was damaged, it was quite corroded and leaking because of the worn mechanical seal, which damaged the whole shaft afterwards.

The exhaust power valves were installed before the cylinders were mounted. For the exhaust, a new threaded bolt M8x30 was screwed in.

After the struggle to get the studs out of the housing, I also exchanged them for new ones made of corrosion resistant steel with appropriate strength and then installed the gearbox.