Jetting for 840 kit - MudInMyBlood Forums
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post #1 of 4 Old 04-03-2019, 11:03 AM Thread Starter
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Jetting for 840 kit

Any recommendations on jets for a 840 kit with ported head? And snorkels
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post #2 of 4 Old 04-03-2019, 01:15 PM
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What size snorkel?

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post #3 of 4 Old 04-04-2019, 09:36 AM Thread Starter
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2” unless it’s reccomended to run bigger
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post #4 of 4 Old 04-04-2019, 12:40 PM
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lol...2" wasn't enough for a stock 750 and now its an 840?.. You need to go to the 3" or at minimum 2.5". Then what full pipe have you gone with? Can't use the stock and get much out of it. Lets say 3" intake snorkel and a full exhaust system and you are at or below 1000 feet. Then with an 840 kit you want to start by going up 2 sizes and make sure you have the #40 pilots. After that it may be one more and/or some shims on the needles.

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