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1976-77, YZ125 Wheels on 1973 Yamaha MX250 - Vintage Enduro Discussions

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1976-77, YZ125 Wheels on 1973 Yamaha MX250

20 Nov 2020 16:51
ruhappy
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1976-77, YZ125 Wheels on 1973 Yamaha MX250 #1
I have two 1973 Yamaha MX250 and going to get them in racer shape. Will later 75-79 Yamaha YZ wheels & hubs work on my 73 MX250 without lots of modification. Hopefully someone has tired them and if they did work could share the year and model. Thanks

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20 Nov 2020 17:24
MarkT
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1976-77, YZ125 Wheels on 1973 Yamaha MX250 #2
125's and 175's should have smaller axles and bearings than any of the 250's so it would not be an easy swap.

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
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21 Nov 2020 03:55
ruhappy
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1976-77, YZ125 Wheels on 1973 Yamaha MX250 #3
The 1973 MX250 front axle is the same as 76-77 YZ125 and for lots of other later years, rear axle is different part number. What I'm concern is the brake hub fitting the forks, brake front hub is different part number for later years. Thanks for your help, lord knows I need it.

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21 Nov 2020 07:54
MarkT
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1976-77, YZ125 Wheels on 1973 Yamaha MX250 #4
I should have known on the front wheel... I have a 77-79 IT175 front wheel I tried to use on a DT175 and the axle was bigger... YZ125 from that era probably has the larger axle too.

On the rear wheel, you can check the bearing numbers... the YZ125/IT175 still used the smaller bearings there. IT175 rear wheel fits the later DT175. It the same hub and also same hub as YZ125.

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

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