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Correct part number needed, 1970 650 #764120 01/31/19 8:47 pm
Joined: Oct 2006
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Irish Swede Offline OP
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RE: The 1970 Triumph parts book, an obvious mistake.

Page 50, Illustration numbers 37 and 46 for the Quickly Detachable wheel are both listed as part number 14-1902.

Number 37 is for the axle (spindle) nut which, beginning in 1970, would be UNF thread.
Number 46 is for the small self-locking nut on the two wheel adjusters.

One of these numbers is obviously wrong.

What is the PROPER part number for number 37, the axle (spindle) nut?


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Re: Correct part number needed, 1970 650 [Re: Irish Swede] #764147 02/01/19 12:23 am
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tiumphdave Offline
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Qd wheel not shown at all in my 1970 parts book,( U.S. models?) but found it online in the 1970 U.K. book, just as you describe. A quick google search of "1970 Triumph QD wheel"shows several vendors ( mostly in the UK) selling this as p/n 21-2012. The fastener database describes it as having 7/8-20 threads.

Re: Correct part number needed, 1970 650 [Re: Irish Swede] #765333 02/13/19 11:52 pm
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chainreaction Offline
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37-1052 is the part number for the nut that goes on the left hand side holding the brake drum assembly.

Re: Correct part number needed, 1970 650 [Re: Irish Swede] #765337 02/14/19 1:03 am
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tiger_cub Offline
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For 1970 only the stub axle parts changed to UNF, you can use the spindle/ stubaxle/ locknut only as matched sets either UNF or CEI, the part numbers are 37-3600/ 37-3598/ 21-2012 (UNF) or W1055/ W1045/ W1052 (CEI). The nut 14-1902 is the 5/16" locknut nut for the rear wheel adjusters in UNF. If you have the earlier CEI adjusters it is W1058. Obviously the parts books are a bit misleading here, particularly for that large UNF nut which isn't properly numbered.


1966 Triumph Thunderville
1968 BSA B40M Roughrider
1970 TR6C

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