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I purchased a 1969 commando .IN A BASKET . Can any one advise on the oil pump stud pitch sizes . Crank case end. I ordered 2 studs from RGM witch are whitworth .the case is fine pitch poss BSC
Cycle Thread
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The early Commando used studs with a Cycle thread on both ends. They are simialr to those on the front top of the barrel.......
Oil Pump Mounting Stud - p/n E4440 (16664 & 067598) 1-5/8” long x 5/16” CEI ends.
Use reduced hex nuts on the ends and do not torque/tighten above 15lbs ft.