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Thread size

Posted: Wed Oct 27, 2010 1:08 pm
by JohnS
Does anyone know the thread size/pitch for the large bolt that connects the lower end of the rear shock absorber to the banana arm?
Many thanks

Posted: Wed Oct 27, 2010 1:16 pm
by abzadams
I think upto 71 was M12 x 1.5 x 85
72 and after - M14 x 1.5 x 95

I sure someone will confirm this!

Posted: Wed Oct 27, 2010 1:17 pm
by Gary71
With later alloy arms it's a M14 x 1.5, M12 nut and bolt before that.

ref my thread (!) from the other week:

http://www.ddk-online.com/phpBB2/viewtopic.php?t=31940

Posted: Thu Oct 28, 2010 10:28 am
by JohnS
Thanks. I've just switched over to steel banana arms to ali ones. The bolt securing the lower shock absorber mount to the arm is the same one that fitted the steel one - but its too long buy about 10-15mm. Does this make sense? The ali banana arms are 76 period by the way

Posted: Thu Oct 28, 2010 10:39 am
by johnM
JohnS wrote:Thanks. I've just switched over to steel banana arms to ali ones. The bolt securing the lower shock absorber mount to the arm is the same one that fitted the steel one - but its too long buy about 10-15mm. Does this make sense? The ali banana arms are 76 period by the way
Info from PET

900 082 018 02 M12 X 1.5MM X 85MM UP TO 1971
900 082 049 02 M14 X 1.5MM X 95MM 1972 TO 1973
900 082 054 02 M14 X 1.5MM X 85MM 1974 ON

Hope that helps.

Kind Regards

Posted: Thu Oct 28, 2010 6:16 pm
by JohnS
Many thanks - that will sort it