The 785-24001-O-0 is a brass needle jet from Mikuni’s 389 series, made for TM32–38 flat-slide carburetors. Its O-0 size delivers a leaner mid-throttle fuel mix, ideal for sharpening throttle response while avoiding an overly rich setup.
Series: 389
Material & Origin: Brass, made in Japan
Approximate Length: ~47 mm
Outer Diameter: ~6.5 mm at head, ~5.2 mm at shaft
WARNING:Cancer and Reproductive Harm www.P65warnings.ca.govwww.P65Warnings.ca.gov | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Confirm the exact year, make, model and trim before ordering. Send us SKU 916344 with your vehicle info and we can help verify fitment.
Shipping services and final delivery cost are shown at checkout. Returns are confirmed before an RMA is issued — parts generally need to be uninstalled, unused and in original packaging. Full policy.
