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P11 triple trees

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P11 triple trees

Postby dd6138 » Tue Jan 24, 2017 5:02 pm

hi, new to the site here. Did the three variants of the P11 all use the same Crown & Stem? thanks

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Re: P11 triple trees

Postby BillT » Thu Jan 26, 2017 4:13 am

Yes. AMC with Teledraulic forks
'73 Norton 850 Commando - 3030xx
'69 Norton Ranger 750 - P11/1289xx
'67 Matchless G15CS - G15CS/1235xx
'61 Matchless G80CS - 61/G80CS/41xx
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Re: P11 triple trees

Postby Ron L » Thu Jan 26, 2017 1:23 pm

You should be aware that the steering stops are different between the P11 and other AMC variants.
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Re: P11 triple trees

Postby dd6138 » Thu Jan 26, 2017 5:35 pm

Thanks Bill, Ron are those the long castle nut looking things on the rear of the lower triple tree?

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Re: P11 triple trees

Postby Ron L » Fri Jan 27, 2017 7:03 pm

The AMC lower tree has fork stops cast in. The P11 lower tree uses these pinch bolts as stops.

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Re: P11 triple trees

Postby mdt-son » Mon Jan 30, 2017 8:22 am

dd6138 wrote:hi, new to the site here. Did the three variants of the P11 all use the same Crown & Stem? thanks


Yes they did, but you need to find crown, stem and steering lug (aka triple tree) made specifically for the P11. The set for the G80CS looks very similar but isn't interchangeable.
Steering stops are p/n 026530 while the stops used on the G80CS are 026529. Interestingly, both part numbers are quoted in the various spares lists, and A-N lists 026529 as the proper part for the P11. If someone could take dimensions of the cylindrical "head" of 026530, or point at differences between the two, I'd be grateful. We may ask Anthony of course :D
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