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Description: G- Idle Jet #30 and #40 for 139QMB 49/50cc, GY6 125/150cc+ CVK or PWK carburetors, 250cc 4-stroke water-cooled 172mm carburetors. The idle jet affects fuel flow to the engine the most at closed throttle but has some effect at part throttle. The closer the throttle is to closed, the..

Description: Hoca Idle Jet for 139QMB 49/50cc, GY6 125/150cc+ CVK or PWK carburetors, 250cc 4-stroke water-cooled 172mm carburetors. The idle jet affects fuel flow to the engine the most at closed throttle but has some effect at part throttle. The closer the throttle is to closed, the more infl..

Description: NCY Idle Jet #30 for 139QMB 49/50cc, GY6 125/150cc+ CVK or PWK carburetors, 250cc 4-stroke water-cooled 172mm carburetors. The idle jet affects fuel flow to the engine the most at closed throttle but has some effect at part throttle. The closer the throttle is to closed, the more i..

Description: NCY Idle Jet #32 for 139QMB 49/50cc, GY6 125/150cc+ CVK or PWK carburetors, 250cc 4-stroke water-cooled 172mm carburetors. The idle jet affects fuel flow to the engine the most at closed throttle but has some effect at part throttle. The closer the throttle is to closed, the more i..

Description: NCY Idle Jet #34 for 139QMB 49/50cc, GY6 125/150cc+ CVK or PWK carburetors, 250cc 4-stroke water-cooled 172mm carburetors. The idle jet affects fuel flow to the engine the most at closed throttle but has some effect at part throttle. The closer the throttle is to closed, the more i..

Description: NCY Idle Jet #35 for 139QMB 49/50cc, GY6 125/150cc+ CVK or PWK carburetors, 250cc 4-stroke water-cooled 172mm carburetors. The idle jet affects fuel flow to the engine the most at closed throttle but has some effect at part throttle. The closer the throttle is to closed, the more i..

Description: NCY Idle Jet #36 for 139QMB 49/50cc, GY6 125/150cc+ CVK or PWK carburetors, 250cc 4-stroke water-cooled 172mm carburetors. The idle jet affects fuel flow to the engine the most at closed throttle but has some effect at part throttle. The closer the throttle is to closed, the more i..

Description: NCY Idle Jet #38 for 139QMB 49/50cc, GY6 125/150cc+ CVK or PWK carburetors, 250cc 4-stroke water-cooled 172mm carburetors. The idle jet affects fuel flow to the engine the most at closed throttle but has some effect at part throttle. The closer the throttle is to closed, the more i..

Description: NCY Idle Jet #39 for 139QMB 49/50cc, GY6 125/150cc+ CVK or PWK carburetors, 250cc 4-stroke water-cooled 172mm carburetors. The idle jet affects fuel flow to the engine the most at closed throttle but has some effect at part throttle. The closer the throttle is to closed, the more i..

Description: NCY Idle Jet #40 for 139QMB 49/50cc, GY6 125/150cc+ CVK or PWK carburetors, 250cc 4-stroke water-cooled 172mm carburetors. The idle jet affects fuel flow to the engine the most at closed throttle but has some effect at part throttle. The closer the throttle is to closed, the more i..

Description: NCY Idle Jet #42 for 139QMB 49/50cc, GY6 125/150cc+ CVK or PWK carburetors, 250cc 4-stroke water-cooled 172mm carburetors. The idle jet affects fuel flow to the engine the most at closed throttle but has some effect at part throttle. The closer the throttle is to closed, the more i..

Description: NCY Idle Jet #43 for 139QMB 49/50cc, GY6 125/150cc+ CVK or PWK carburetors, 250cc 4-stroke water-cooled 172mm carburetors. The idle jet affects fuel flow to the engine the most at closed throttle but has some effect at part throttle. The closer the throttle is to closed, the more i..

Description: NCY Idle Jet #44 for 139QMB 49/50cc, GY6 125/150cc+ CVK or PWK carburetors, 250cc 4-stroke water-cooled 172mm carburetors. The idle jet affects fuel flow to the engine the most at closed throttle but has some effect at part throttle. The closer the throttle is to closed, the more i..

Description: NCY Idle Jet #45 for 139QMB 49/50cc, GY6 125/150cc+ CVK or PWK carburetors, 250cc 4-stroke water-cooled 172mm carburetors. The idle jet affects fuel flow to the engine the most at closed throttle but has some effect at part throttle. The closer the throttle is to closed, the more i..

Description: NCY Idle Jet #48 for 139QMB 49/50cc, GY6 125/150cc+ CVK or PWK carburetors, 250cc 4-stroke water-cooled 172mm carburetors. The idle jet affects fuel flow to the engine the most at closed throttle but has some effect at part throttle. The closer the throttle is to closed, the more i..

Description: NCY Idle Jet #50 for 139QMB 49/50cc, GY6 125/150cc+ CVK or PWK carburetors, 250cc 4-stroke water-cooled 172mm carburetors. The idle jet affects fuel flow to the engine the most at closed throttle but has some effect at part throttle. The closer the throttle is to closed, the more i..

Description: NCY Idle Jet #52 for 139QMB 49/50cc, GY6 125/150cc+ CVK or PWK carburetors, 250cc 4-stroke water-cooled 172mm carburetors. The idle jet affects fuel flow to the engine the most at closed throttle but has some effect at part throttle. The closer the throttle is to closed, the more i..

Description: NCY Idle Jet #55 for 139QMB 49/50cc, GY6 125/150cc+ CVK or PWK carburetors, 250cc 4-stroke water-cooled 172mm carburetors. The idle jet affects fuel flow to the engine the most at closed throttle but has some effect at part throttle. The closer the throttle is to closed, the more i..