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gas for a honda 150R, differances 2 & 4 strokes

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new to the 4 strokes, but people are telling me that

4 strokes (honda 150r) don't need much more than 93 octane

but th4ey need something else???

where as 2 strokes can use 100 octane or higher???

what should I look for in a race gas for the 150R

ryan37

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Probably what people are saying is its pointless to run anything higher than 93 because im guessing you have a stock motor,The only motors that require race gas are heavily modded. Unless the motor is modded you would be wasting money with race gas.

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At 11.7 to 1 compression, 93 octane is fine. Higher octane gas is actually LESS combustable, and will reduce power. Higher octane means higher resistance to combustion due to compression pressure. Low octane gas likes to explode more than race gas...

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The one benefit from using race gas from a 5 gallon can is," its cleaner fuel". I've been running Half premium 93 and half, either 100 octane unleaded or 110 leaded. When I do tear downs the valves always have minimum carbon build up. Thats the only reason I spend the money for the fuel. Can't tell any difference in HP.

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The one benefit from using race gas from a 5 gallon can is," its cleaner fuel". I've been running Half premium 93 and half, either 100 octane unleaded or 110 leaded. When I do tear downs the valves always have minimum carbon build up. Thats the only reason I spend the money for the fuel. Can't tell any difference in HP.

You make a good point. I really hadn't thought of that. Thanks

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