Sportster Models 883, 883 Custom, 1200 Custom, 883L, 1200L, 1200S, 1200 Roadster, XR1200, and the Nightster.
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Gas Octane

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Old 05-19-2006 | 11:09 AM
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NEW2HD
Cruiser
Joined: Apr 2006
Posts: 123
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Default RE: Gas Octane

My 100 Ann. 1200's manual says 87 octane. I filled it up after having run premium in it the day I bought it. The throttle wasnt as snappy on the 87, so I siphoned it out, filled it up with premium 93 and it runs great.
 
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