MIKUNI Genuine Mikuni VM28/486 Series Pilot Jets — Jet size 50, 4-pack, brass, 27.8 mm
Precision pilot jets for stable idle and improved throttle response. Fits Mikuni carburetors HS40, HSR 42/45/48, RS34-RS40, TM33, TM36 and TM40 with accelerator pump. Made in Japan.