2 questions

seattle##gs · May 29, 2017

1) what is the thread pitch of the timing plug hole at the base of the cylinders 1968 and earlier T 120? It is a BSF something.

2) OIF frames...is there a vent tube anywhere? I know the engine vents through the primary.

L.A.B. · May 29, 2017

seattle##gs said:
1) what is the thread pitch of the timing plug hole at the base of the cylinders 1968 and earlier T 120? It is a BSF something.

According to my '68 parts book, it is part E4706 which appears to be 1/2 x 16 BSF.

seattle##gs said:
OIF frames...is there a vent tube anywhere?

Yes, there should be a vent tube between the plates at the rear of the headstock.

(There are variations in breather pipework according to model year).

seattle##gs · May 29, 2017

what is the size of this tube?

L.A.B. · May 29, 2017

seattle##gs said:
what is the size of this tube?

The hose 71-2349 (item '25' on the previous drawing) that attaches to the frame vent tube is 3/8" ID.

http://www.steadfastcycles.com/cart/ind ... ts_id=7101

2 questions

seattle##gs

L.A.B.

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seattle##gs

L.A.B.

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