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Makotosun

Searching for a 47T sprocket for my DT3

  • Yamadude
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Searching for a 47T sprocket for my DT3 was created by Yamadude

Hey,
I am wanting to replace the worn 47T driven sprocket on my DT3.
They are currently unavailable online.  OEM # was 214-25447-10-00
Parts Unlimited apparently makes them but they are backordered.

JT Sprockets seems to make an item for ALMOST every bike in the world, but the DT3 is not in their catalogue.

Yambits offers the essential measurements (see below). 

Got one ?

 
You can just call me Dude.
Syracuse, New York
Current bikes: 1973 DT3, 1974 TY250, 1969 Triumph Bonneville, 1975 XS650, 1976 XS650, 1982 XS650, 1983 XS650, 2006 FJR1300
16 Jul 2021 17:51 #1

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Replied by swm on topic Searching for a 47T sprocket for my DT3

Couple of options:


Good luck!
 
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16 Jul 2021 19:38 #2

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Replied by Swoop56 on topic Searching for a 47T sprocket for my DT3

The JT sprocket catalog may have it listed under DT1/2 or RT1/2/3 . They all interchange .
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16 Jul 2021 21:19 #3

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Replied by MarkT on topic Searching for a 47T sprocket for my DT3

That diagram with measurements is out of the JT catalog
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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17 Jul 2021 06:34 #4

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Replied by Yamadude on topic Searching for a 47T sprocket for my DT3

Thanks Guys for your assistance and comments.
I bought the NOS sprocket  from Scooterboy.
You can just call me Dude.
Syracuse, New York
Current bikes: 1973 DT3, 1974 TY250, 1969 Triumph Bonneville, 1975 XS650, 1976 XS650, 1982 XS650, 1983 XS650, 2006 FJR1300
17 Jul 2021 07:05 #5

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Replied by MarkT on topic Searching for a 47T sprocket for my DT3

I'm curious to hear from the 250 experts on the stock rear sprocket tooth count. 

My understanding is pre-74 the standard rear sprocket was a 44.

Then in 1974 with the engine redesign they changed the primary ratio (crank and clutch gear) from 21/65 to 23/65 and went to a 47 tooth rear sprocket because of the taller primary ratio. 

68-73 = 44 tooth
74-76 = 47 tooth

(all have the same bolt pattern)

Is this correct?
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
17 Jul 2021 08:07 #6

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Replied by Swoop56 on topic Searching for a 47T sprocket for my DT3

My parts books back up Mark .
All the 250's and 360 / 400 68 - 76 use the same bolt pattern .
68 - 73 44T stock , 74 - 76  47 T stock ( 250's ) .
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Last edit: 17 Jul 2021 14:43 by Swoop56.
17 Jul 2021 14:41 #7

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