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Oldest HD 'carry over' parts from 1936 to today ?

Test your knowledge or someone else's with trivia questions about your favorite subject. Let's be realistic with the questions so everyone has a chance at answering them.

Moderators: Curt!, Pa


Posts: 1538
What are the oldest carry over HD parts that are still being used on the twin cams, from 1936 :?:

Post Sat Feb 17, 2007 2:15 am

Posts: 377
Location: madison wisconsin usa
valve stem caps?

other than that, i would imagine some nuts and or bolts may carry pre 36 part numbers.

john

Post Sat Feb 17, 2007 10:31 am

Posts: 903
Location: Hill City, Ks. USA

I'm told that the clutch hub woodruf key is the oldest number still available from HD. PN 37523-15

OOOPS! not used on a Twinkie. Timing hole plug, maybe??
Curt!

Post Sat Feb 17, 2007 11:25 pm

Posts: 1538
John- not sure about the valve caps ? that's possible..

Curt- twin cams have NO timing hole plug.

answer: The Push rod tube springs, & caps are the oldest carry over parts still used today. HD part # 17947-36 & 17945-36B

Post Sun Feb 18, 2007 12:50 pm

Posts: 903
Location: Hill City, Ks. USA

Billy
You can tell how many Twinkies I've had in the shop.
Curt!

Post Sun Feb 18, 2007 10:33 pm

Posts: 1538
Curt-
I know what you mean.. Not my fav. :lol:

Post Sat Apr 14, 2007 4:41 pm

Posts: 113
The oldest carry over part that is possibly still used on H-D's is the Schrader valve stem. (if the Davidson Money Company still even uses American tires and tubes,which they probably don't) The valve stem caps were nickel plated brass from 1903 to 1959 (except the 5.00x 16" inner tubes which I think came out in
'40.

Post Sat Jun 16, 2007 7:02 am

Posts: 14
Location: Daly City CA U.S.A.
How about the Side Stand Return Spring?

Tom (07)

Post Sat Jun 16, 2007 8:00 am
Pa Site Admin

Posts: 5774
Location: Ohio USA

Brake Spring ?? Pa


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