08-13-2009, 06:31 PM
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| Tech Guru PWCToday.com Is My Home Away From Home
Join Date: Feb 2004 Location: Glendora, California
Posts: 25,388
| Re: 44BN question
That would be an old "round body " BN carb. I have never had much luck tuning an old worn round body. The pilot adjuster is best left alone.
The low speed adjuster needs to only be opened enough to get the thing to accellerate in the water.
The high speed adjuster is adjusted according to the look of the sparkplugs, you want them some shade of brown after a full throttle "plug chop.
The best advice is get an SBN carbureator.
Last edited by Bill O'Neal; 08-13-2009 at 06:32 PM.
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