Compression ratio vs. fuel requirements
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Fuel requirements has more to do with cylinder compression ratio than a given ratio. 170lbs psi 87-89 octane-----------------------------------------------stock 250R new rebuild
175-185 psi 89-91
190-200 psi 92-94
205-210 psi 100
215-220 psi 105-108
225-230 psi 110-114 octane------------------------------------------ 250R 14 to 1 ratio with 18cc dome head
My 400 polaris 2 stroke is 160 psi
175-185 psi 89-91
190-200 psi 92-94
205-210 psi 100
215-220 psi 105-108
225-230 psi 110-114 octane------------------------------------------ 250R 14 to 1 ratio with 18cc dome head
My 400 polaris 2 stroke is 160 psi
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Hankey Pankey
Performance Mods and Project Quads
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07-31-2015 05:50 PM
190, 220, 225, 97, compared, compression, fuel, head, octane, psi, ratio, requirement, requirements, stroke, watercraft
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