HP500 Carb
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Join Date: Oct 2002
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Re: HP500 Carb
JCPERF is right, as usual. I'm looking at the Merc Service Manual and it says it's a 800 CFM, Manufacturer's number 80466, 6.5 power valve in front, none in rear. Stock jetting is Primaries-Port-81,Starboard-75. Secondaries-Port-89, Starboard-93