Carb Factory/Suggested Settings 330
#1
#2
both jets are for fuel flow. pilot jet is for idle to say 1/8/1/4 throttle and main is for there up. you should have a fuel screw w/ a spring on the side of the carb for adjustment. not sure what the adjustment would be though. just make small 1/4 turn adjustments and make sure you know where you started to set it back if it doesnt work. actually cant remember if thats a 2 stroke or 4. 4 stroke would be a fuel screw and air screw for a 2 stroke i do beleave but some one correct me if im incorrect.
#3
#4
#6
fixed means when you install them, there is no adjustment,no turns out. they just screw in like a regual bolt until they tighten up(very lightly as there brass, not steel). you wouldnt even be changing them unless you have does some kind of mods. hope that clears it up for you on the jets.
#7
I'm confused then. When I looked up the carb settings, it talks about how many turns out the jets should be set at and everyone i see talking about the turns. What are they talking about? This is a Mukuni 43mm CV. on a four stroke 330 trailboss just so we both know what equipment were talking about.
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#8
The fuel screw is on the bottom of carb, may be covered by a brass plug,if so you need to drill a hole in the plug and screw a metal screw in it and pull it out, screw should be set at 2 to 2.5 turns out, the only other screw is the idle screw, the needle will vary by how rich or lean the engine is running, raise it to make it richer.
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