Main Jet Pilot Jet. available in the following sizes 30 325 35 375 40 425 45 475 50 525 55 575 60 Mikuni VM28/486 pilot jet £550 each 20mm diameter bleed tube available in the following sizes 10 125 15 175 20 225 25 275 30 325 35 375 40 425 45 475 50 525 55 575 60 625 65 675 70.
If your air screwis in further than 1 turn you need a richer pilot If your fuel screwis out further than 3 turns you need a richer pilot Off idle hesitation or bog Revving the engine in neutral will result in hanging RPM’s or RPM’s will slowly drop back to idle RPM Video Duration 6 min.
Dellorto 54 Jet 5mm 54 Main Jet for Dellorto SH1/18 SH1/20 SH2/22 and Jetex Carbs And pilot jet for phbh/phbl and some Details Buy £400.
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Screw Explained HowTo: Size Your Pilot Jet, Pilot
Carburetor help, jetting, and tuning help: – Rolling Wrench
Mikuni Pilot & Air Jets Motocarb
The carburetor consists of four components Pilot Jet this controls the amount of fuel when idling Main Jet this controls the fuel when you open up the throttle (between 50 and 100 percent power) Jet Needle this controls the fuel when you open and close the throttle (between 20 and 80 percent Video Duration 24 min.