Mikuni Performance Carburetor – Air Jet Size 280 44PHH. Item #24 and Item #86, Starter Jet. Genuine Mikuni #B42/55-280 Made in Japan.

Also fits type 3, Type 4 – 40PHH 44PHH – Air Jet (#24). Also fits Type 2 – 50PHH 36PHH – Air Jet (#24). Starter Jet (#86) fits Type 3 Type 4 – 40PHH & 44PHH, Type 2 50PHH. This Main Air Jet for use with Jet Blocks stamped with “OA” or “OB”. Sold individually. Two Main Air Jets required per carburetor. One Starter Jet required per carburetor.

The Mikuni Main Air Jet is designed to meter the amount of air. A change of the main air jet will affect the flow of fuel mainly at medium and high speed driving, resulting in change of output power.

For Jet Blocks stamped with “8”, use 40PHH Air Jets part number B42/56-(SIZE).

Note: Some Mikuni / Solex OEM 40PHH Carburetor Applications use Mikuni Performance 44PHH carburetor parts. Please compare images for confirmation of parts needed prior to ordering.

Sorry, Jets are not returnable. 

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