Mikuni VM38-9 round slide Carburettor (38mm)
Mikuni VM38-9 Carburettor (38MM)
Popular fitment for most 250cc to 500cc motocross bikes, G50, Gold Star, Yamaha TZ350
Great replacement for your worn out Amal GP.
we can jet this carb to your specification or ours.
jetting specification for new VM38 as supplied from Mikuni.
main jet #330 (4/042)
pilot jet #40 (VM22/210)
needle jet 166 Q-2
jet needle 6DP1
throttle valve #2.5 (VM38/24)
main air jet #0.5 (BS30/97)
float valve #3.3 (VM34/39)
Popular fitment for most 250cc to 500cc motocross bikes, G50, Gold Star, Yamaha TZ350
Great replacement for your worn out Amal GP.
we can jet this carb to your specification or ours.
jetting specification for new VM38 as supplied from Mikuni.
main jet #330 (4/042)
pilot jet #40 (VM22/210)
needle jet 166 Q-2
jet needle 6DP1
throttle valve #2.5 (VM38/24)
main air jet #0.5 (BS30/97)
float valve #3.3 (VM34/39)

VM38-9 dimensions
A 43mm
B 116mm
C 154mm
D 62mm
width 79mm
idle screw position right
air screw position right
weight 830gms
throttle valve chrome plated brass
starter left side lever operated, cable or right side pull up
A 43mm
B 116mm
C 154mm
D 62mm
width 79mm
idle screw position right
air screw position right
weight 830gms
throttle valve chrome plated brass
starter left side lever operated, cable or right side pull up