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Makotosun

Rt1mx rear tire size

  • Bore Monger
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Rt1mx rear tire size was created by Bore Monger

Greetings all...
.  My question is...will a 4.60x18 fit on a 1971 RT1mx?
1968 DT1
1969 CT1
1969 DT1
1970 CT1
1971 CT1
1971 DT1
1972 DT2
1973 SUZUKI RV125 (2)
Last edit: 31 Dec 2024 10:35 by Bore Monger.
31 Dec 2024 10:33 #1

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Replied by MarkT on topic Rt1mx rear tire size

Tire sizes, especially knobbies using the old "inch" sizes, can vary widely in actual dimensions.  One 4.60 x 18 might fit fine, another might not fit at all.  There are even documented cases of a smaller size tire actually being physically larger than a tire from the same manufacturer/model that is supposed to be a larger size.

Sometimes you can find a tire dimension chart with actual dimensions. You'll quickly see "nominal" size on the sidewall really doesn't mean much ...especially in the old system.
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
31 Dec 2024 12:24 #2

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Replied by Rick C. on topic Rt1mx rear tire size

The 70-71 RT1 (MX) and RT1-B (MX) manual that i have says 4.00x18 stock.
I remember putting on a Dunlop 606- 4.50x18 and sweating because the huge knobbies almost hit the swing arm. It worked but darn it was close !

I left the bigger tire ( 4.60x18 ) for my CR480 that has the poop to turn that monster tire.
The following user(s) Liked this Post: MarkT, Ht1kid
31 Dec 2024 16:51 #3

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