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Old 20-10-2011, 05:19 PM   #1
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cleaver for F4 cat

hey,

searching the right size of prop.
f4 cat with a standard 70hp yamaha, hull is from wood.
maybe a burgess or barracuda.
Mercury sells cleavers, but whitch size i need to buy? 11 x 21?

grt
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Old 20-10-2011, 07:15 PM   #2
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Know where I can get a 70 hp yam short shaft from.
I,m running a 11 1/4 dia 18 pitch on a 50hp on a thunder cat.
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Speed costs weight so what do we cut off first
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Old 21-10-2011, 08:02 AM   #3
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11 x 21 Yamaha 3 Blade Cleaver is a good starting point for F4
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Old 21-10-2011, 02:12 PM   #4
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I have a Yamaha cleaver worked down from 11 x 21 to 11 x 19 which I only used a couple of times - give me your email and I 'll send you some pictures.

Stu
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Old 23-10-2011, 10:12 AM   #5
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you got to search the net for an engine like that,
i had some luck and found one like new....

the 11x19 would be to small i think, 11x21 like techteam says would be better.
most people says that size...
has somebody experience with the mercury cleaver on the yamaha?

otherwise i will order the 11x21 by a mercurydealer...
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