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Makotosun

Is 1976 250 and 400 interchangable frame

  • Buggin
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Is 1976 250 and 400 interchangable frame was created by Buggin

Have an option to buy a titled 1976 250 dt frame only. Will this interchange with 1976 dt400 frame and all it's parts?

Thanks,
Brett
1976 Dt400
1985 RZ500
2001 Xr650L
13 Oct 2023 10:14 #1

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Replied by MarkT on topic Is 1976 250 and 400 interchangable frame

Major components would fit...  but 250 frame may not have CDI box mount/bracket is about the only thing I can think of?  Not sure.  Someone more familiar may know. 

 
1963 YG1-T, 1965 MG1-T, Allstate 250, 1970 CT1b, 1971 R5, 1973 AT3MX, 1974 TS400L, 1975 RD350, 1976 DT175C, 1976 Husqvarna 250CR, 1981 DT175G, 1988 DT50, 1990 "Super" DT50, 1991 RT180, 2017 XT250
The following user(s) Liked this Post: Buggin
13 Oct 2023 11:04 #2

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  • Buggin
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Replied by Buggin on topic Is 1976 250 and 400 interchangable frame

Ok i am going to give it a shot since the price is low. The 1975 dt250/400 manual gives the same frame dimension chart for both. And the only difference i see near the front of the manual is that the wheelbase is 0.2" shorter for the 400 i am assuming because of slightly different forks? Going to look at it tomorrow.

Brett

 
1976 Dt400
1985 RZ500
2001 Xr650L
13 Oct 2023 16:20 #3

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Replied by MarkT on topic Is 1976 250 and 400 interchangable frame

They show the same "498" prefix part number for the 250 and 400 frame.
1963 YG1-T, 1965 MG1-T, Allstate 250, 1970 CT1b, 1971 R5, 1973 AT3MX, 1974 TS400L, 1975 RD350, 1976 DT175C, 1976 Husqvarna 250CR, 1981 DT175G, 1988 DT50, 1990 "Super" DT50, 1991 RT180, 2017 XT250
The following user(s) Liked this Post: Buggin
13 Oct 2023 16:47 #4

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Replied by MarkT on topic Is 1976 250 and 400 interchangable frame

A slight difference in wheelbase is most likely due to the different gearing... different sprocket sizes and chain lengths which would have the rear wheel in a slightly different location in the slots.
1963 YG1-T, 1965 MG1-T, Allstate 250, 1970 CT1b, 1971 R5, 1973 AT3MX, 1974 TS400L, 1975 RD350, 1976 DT175C, 1976 Husqvarna 250CR, 1981 DT175G, 1988 DT50, 1990 "Super" DT50, 1991 RT180, 2017 XT250
The following user(s) Liked this Post: Ht1kid, Sneezles61, Buggin
13 Oct 2023 16:53 #5

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