novarossi 3 needle carb settings??
novarossi 3 needle carb settings??
02-25-2009, 02:27 PM
#2
Your "crossover" screw should be "flush" to 1-turn in (clockwise).
The top end/Main should be: 4.5 turns out from fully "closed"
The low end/idle should start (and be rich) at 1-turn in from flush (if the engine is broken in). You may end up going down *up to* almost 1.5-2 turns in on the bottom (from flush). If the engine is new/not broken end start with the bottom needle flush.
Idle air gap should be .6mm to start with.
The top end/Main should be: 4.5 turns out from fully "closed"
The low end/idle should start (and be rich) at 1-turn in from flush (if the engine is broken in). You may end up going down *up to* almost 1.5-2 turns in on the bottom (from flush). If the engine is new/not broken end start with the bottom needle flush.
Idle air gap should be .6mm to start with.
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