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os 91 four stroke???????????

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Old 09-09-2004 | 01:22 PM
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Default os 91 four stroke???????????

i have a os 91 four stroke it runs very good , i run a 3 blade prop and my rpm is 9400 is that to much????

my 3blade prop is 12x8
Old 09-09-2004 | 01:28 PM
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Default RE: os 91 four stroke???????????

ORIGINAL: serge760

i have a os 91 four stroke it runs very good , i run a 3 blade prop and my rpm is 9400 is that to much????

my 3blade prop is 12x8
No, 9400 rpm's is a good speed for a 4-banger.
Old 09-09-2004 | 01:45 PM
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Default RE: os 91 four stroke???????????

Ditto. Anywhere between 9300 and 9600 rpm is good.
Old 09-09-2004 | 02:04 PM
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Default RE: os 91 four stroke???????????

thanks fio your help

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