JET 390 BRASS MIKUNI4/042
JET 390 BRASS MIKUNI 4/042. This is a Brass Main Jet. It is a MIKUNI 4/042 size. It is sold individually. The jet has a 6mm hex head. It fits Mikuni VM, TM, and TMX carburetors. Specific fitment includes Mikuni carburetors VM18 (clamp on), VM24-512, VM26-512, VM26-606, TMX Series, and other carburetors that originally came with 4/042 main jets. It also fits several OE applications; check dimensions before ordering. Overall length is 11.5mm, thread diameter is 5.2mm, and thread pitch is 5.25 x 0.9. Manufacturer is Factory Image Racing.
- SKU
- 27-139
- Brand
- Factory Image Racing
- Availability
- In Stock (24)
FULL DESCRIPTION
Mikuni 4/042 Brass Main Jet
This is a brass main jet designed for Mikuni carburetors. It features a 6mm hex head for easy installation and removal. This jet is sold individually.
Key Features:
- Material: Brass
- Design: 6mm Hex Head
- Jet Size: Mikuni 4/042
- Compatible Carburetor Series: VM, TM, TMX
- Overall Length: 11.5mm
- Thread Diameter: 5.2mm
- Thread Pitch: 5.25 x 0.9
This main jet is suitable for Mikuni VM, TM, and TMX carburetors, including models like VM18 (clamp on), VM24-512, VM26-512, VM26-606, and TMX Series carburetors that originally used 4/042 size main jets. It may also fit several original equipment applications; please verify dimensions before ordering.


