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R42 rear drive oil fill plug
R42 rear drive oil fill plug
The thread pitch on my R42 final drive fill plug measure 1.5 and the outside thread diameter measures .705". The wrench size is 17 mm and the hex is .185" tall. Under the hex is a flange that is .925" dia. and .095" thick. From the bottom of the flange to the bottom of the threads measures .340".Overall height is .615".The center of the plug is bored out about .545" deep and .482" dia. if your so inclined. I think this is the correct cap. The meat head I got the bike from had it screwed in the transmission detent plug hole and the detent pin actually poked a hole thru the cap. I hope this helps. Dan
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- Posts: 149
- Joined: Mon Feb 26, 2007 6:23 am
R42 rear drive oil fill plug
Dan did you get your speedo sorted out I have some pics of mine partly disassembled, mine is made of solid brass and the top just screws off. I have an early R42 Aug 26 and it also has the tea cup shaped head lamp which seems to go on the early bikes.....
Peter G
R42 rear drive oil fill plug
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- Posts: 149
- Joined: Mon Feb 26, 2007 6:23 am
R42 rear drive oil fill plug
R42 rear drive oil fill plug
Is it is possible for some one to measure the OD, and measure the pitch, with a thread guage Im guessing that its about 1.25 mm as I need to make one thanks in advance .. Regards peter