Main jet for Mikuni carburetors.
Genuine Mikuni high quality part. Mikuni part # N100604.
Fits:
- Mikuni RS carburetors (all)
- Mikuni TM 4-stroke carburetors (all)
- Mikuni TMR & TDMR carburetors (all)
- Suzuki / Yamaha / Kawasaki stock carburetors
Complete as pictured.