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Author Topic: 1974 XR75 Fuel Type?  (Read 1010 times)

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Offline mic

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1974 XR75 Fuel Type?
« on: November 13, 2015, 02:28:50 pm »
Hi,

Do i need to add an additive or straight 91 unleaded will do?
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74 XR75 - 75 CR125M1 - 84 XR500 x 2 - 79 CR250 x 2

Offline skypig

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Re: 1974 XR75 Fuel Type?
« Reply #1 on: November 13, 2015, 03:12:17 pm »
If it was mine.
I'd run 98, and a valve protector (lead replacement)

"Super" was 98 Octane in 1974.
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