MIKUNI Genuine Mikuni VM28/486 Series Pilot Jets — 27.5 mm, fits HS40, HSR 42/45/48, RS34-RS40, TM33/36/40, 4 pack
Pilot jets for fine idle tuning and improved throttle response. Fits HS40, HSR 42/45/48, RS34-RS40, TM33, TM36 and TM40 carburetors with accelerator pump. Made in Japan.