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Sprockets

  • ckjacks
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Sprockets was created by ckjacks

Hello everyone.  I have another question as I try to sort this bike out!!  Can someone tell me what the sprockets (number of teeth) should be on a 1971 RT1 360?  Thanks in advance.
08 Oct 2021 05:54 #1

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Replied by MarkT on topic Sprockets

The Tech Library here has factory manuals with specs for most models... 

Yamaha specs are not always 100% correct...  so sometimes pays to check a few sources. 

Looks like they show the sprockets as 39/15 in the Factory Service and Owner's Manual
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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08 Oct 2021 06:08 #2

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Replied by ckjacks on topic Sprockets

Thanks, Mark. Mine has 45/15 on it. Guess that's why the top end speed is only about 60 MPH!!
08 Oct 2021 06:23 #3

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Replied by adguy2112 on topic Sprockets

Small price to pay to live in wheelie heaven! Lol
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08 Oct 2021 07:21 #4

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Replied by ckjacks on topic Sprockets

You got that right!!
08 Oct 2021 10:31 #5

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Replied by Sneezles61 on topic Sprockets

My RT2 has a sprocket the size of a garbage can lid... 56 teeth.. I doubt the the one on the tranny has been changed... 45 MPH @ 5500 RPM..  1rst gear barely gets it up to 5 mph... 
Sneezles61
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08 Oct 2021 11:33 #6

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