Saturday, 10 December 2011

New Parts and Others

The frame and 28 other bit's are back from powder coating. Thank you Brett for organizing this!
The first assembly to be put together is the swing arm, here it is with some of the new bushes, spindles and sealing rubber rings. First the grease nipple holes were cleaned up using a 1/4" BSF tap. Then the bush housing's were cleaned of powder coating using a high speed air grinder with a slotted attachment with some 80 grit sand paper in it. Then a threaded rod and washer's were used to press the bushing's in to the housing. The bushes were then reamed out using adjustable reamer's to exactly fit the spindles. Then the grease nipples with fiber washer's were fitted.

Some pictures of part's procured for the bike. It turned out all the expensive stuff was missing or worn out.
The barel has been powder coated, and all over spray area's cleaned up. Still have to finish honing it, and insert tapper guide blocks.

The crankshaft has been ground 10 Thou undersize, and new bearing shell's fitted. Clearance is 0.03mm, and new blots and nut's are yet to be fitted. Rods must still be finally polished to remove all scratches, then shot peened to stress relieve. We will also make some attempt to balance them. The crank oil strainer, still has the be removed and cleaned. This will involve some drilling and destruction of the existing plug. the crank grinding cost R260 Rand.

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