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Old 28 June 2008, 16:29   #1
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yamaha 225 2stroke prope help

I Have I Rib 7,5 Meters With A Yamaha 225 2 Stroke With 21 Pro Prop And The Engine Is Working On 6000 Rpm Does Knows What Prop I Should Put??
Sorry For My English!
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Old 28 June 2008, 20:42   #2
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If it's a VMAX the range is 5000-6000rpm but peak power is at 5500rpm. You may be hitting the rev limiter.

Try this

http://www.rbbi.com/folders/prop/propcalc.htm

A 21" prop is usually the correct one. You could try a 4 blade or a 22/23".
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Old 29 June 2008, 04:24   #3
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Quote:
Originally Posted by bekerel0 View Post
I Have I Rib 7,5 Meters With A Yamaha 225 2 Stroke With 21 Pro Prop And The Engine Is Working On 6000 Rpm Does Knows What Prop I Should Put??
Sorry For My English!

Yep
Like Codders says a bigger one, best borrow a few props until you gets one to suit.

gaZ
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