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Makotosun

1971 Yamaha DT1-E Fuel Mix

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1971 Yamaha DT1-E Fuel Mix was created by 2-smoker

Can't find my previous posting on this - will be running pre-mix due to a removed oil injection pump so I'd like to confirm a proper pre-mix ratio using Lucas semi-synthetic 2-stroke oil.... 1:24, 1:32 ??
27 May 2024 13:02 #1

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Replied by Sneezles61 on topic 1971 Yamaha DT1-E Fuel Mix

It all depends on how you ride… slow and mellow or hard and fast… oil is a friend… too much and the spark plug looks black… too little and the piston will seize .
Just a rough idea of where YOU start to figure this out.
27 May 2024 19:36 #2

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Replied by Schu on topic 1971 Yamaha DT1-E Fuel Mix

I use AMSOIL 2-stroke Injector Oil at 32:1
Schu

CT1B, CT1C, JT1, JT2, CT2, RT3, DT360A, GT80B, DT100B, DT125B, DT175B, DT175C, DT250B, DT400B, Z50

Someday, you'll own some Yamahas
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28 May 2024 03:51 #3

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Replied by 2-smoker on topic 1971 Yamaha DT1-E Fuel Mix

Thanks - this will be just a 'slow and mellow' occasionally ridden bike that has been re-freshed/restored with its original motor (not rebuilt) - so just looking for a general guideline or recommendation for this particular model.
28 May 2024 09:06 #4

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