R Model Seats

Racing K Models

R Model Seats

Postby hugoct » Wed Jul 21, 2021 12:42 pm

The KRTT, KHRTT, and Sportster XLRTT seat is the "long" race seat 52001-40R which first appears on the 1940 WRTT and continues through 1969.
The kit with everything necessary for installation on a K or XL including the seat is 52000-52R.
This seat is used on KRTT, KHRTT, and Sportster XLRTTs with both the small and large (non road racing) gas tanks.

The KR "short" track racing seat is 52001-48R which first appears on the 1948 WR and continues through 1969.
The kit with everything necessary for installation on a K or XL including the seat is 52001-52R.
This seat is used on the KR dirt trackers with both the small and large (non road racing gas) tanks.
This -48R seat is also use on the KRTT when the large road race 5 gallon and larger gas tanks are used.
Some factory team Sportster XLRTTs also used the -48R seat

KRTT, KHRTT, and XLRTT motorcycles also appear in Pohlman studio photos with the standard K and XL solo seats.

There is also a Daytona hump back seat 52001-53R for use with the large road race gas tanks.
There are also 1966 and 1968 fiberglass seats for the KRTTs.



Please consider adding this information to the technical "seats" section.
Last edited by hugoct on Thu Jul 22, 2021 7:39 am, edited 2 times in total.
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Re: R Model Seats

Postby epinut » Wed Jul 21, 2021 2:03 pm

51901-52R, listed as "saddle bar assem" in the -54 catalog...
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Re: R Model Seats

Postby hugoct » Wed Jul 21, 2021 4:48 pm

1111
Last edited by hugoct on Wed Jul 21, 2021 6:33 pm, edited 2 times in total.
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Re: R Model Seats

Postby hugoct » Wed Jul 21, 2021 4:50 pm

My apologies.
I misread the post in the technical section.
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Re: R Model Seats

Postby epinut » Thu Jul 22, 2021 10:08 am

Glad that you brought this topic up! I'm particullary intersted in the -48 seats. As far as I've been able to figure out, they were made out of regular -25 seat pans (bt / 45")? Tree mounts moved inward & then cut to desired shape... It seems that the earlier versions had a little flatter profile & thinner padding, while the later ones kicks up more towards the rear & had more padding. Any idea when this change occured?
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Re: R Model Seats

Postby hugoct » Fri Jul 23, 2021 9:43 am

I sent you a message.
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Re: R Model Seats

Postby epinut » Fri Jul 23, 2021 2:28 pm

hugoct wrote:I sent you a message.

Thanks, just sent you a email...
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