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Author: Subject:  reducing fan noise on oval
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posted on May 6th, 2006 at 02:06 PM
reducing fan noise on oval


i heard a rumor that by changing the fan to a 40hp type one can decrease fan noise. anyone know if this is true and how much is involved in the operation? thanks rob.
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posted on May 10th, 2006 at 11:23 AM



I had a 40hp fan in my 36hp Okrasa motor back in '69 and it used to whistle at high revs, I was told this was common. So don't know about reducing noise.
Just bolt in a 40hp genny and fan assembly.

[ Edited on 10-5-2006 by Desert Bug ]




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posted on May 10th, 2006 at 12:10 PM



yeah as he said or just turn the wireless up..:smilegrin:



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posted on May 11th, 2006 at 06:55 PM



But the 36hp fan noise is so cool!!:o



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posted on May 11th, 2006 at 11:21 PM



i had it done to my 55 in 65 and I can still hear

easy job

dont bend the blade 36 mm socket needed i think
bets loosen the back nut first while all else is still intact..




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posted on May 12th, 2006 at 01:54 AM



jam as much sound insulation into the cavities of the body on either side of the rear windscreen - TONS of noise gets transmitted thru there. trust me. I did it, and it easily cut 1/4 of the noise out.



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