JET 450 BRASS MIKUNI4/042, 07-145
4.1 Trustpilot 99.9% positive on eBay
UK delivery £4.99, free over £60 2–4 business days
Spread the cost with 18+, T&Cs apply
Brass Main Jet MIKUNI 4/042. Sold each. 6mm hex. Designed for VM, TM, TMX Carburetors 450 - 500. Fits Mikuni VM carburetors, Mikuni TM carburetors, and Mikuni TMX carburetors. Specifically fits Mikuni carburetors VM18 (clamp on), VM24-512, VM26-512, VM26-606, TMX Series and others that originally came with 4/042 main jets. 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.
- SKU
- 27-145
- Brand
- Factory Image Racing
- Availability
- In Stock (80)
Fitments (20)
| Make | Model | Year |
|---|---|---|
| YAMAHA | YFZ BANSHEE 350 | 1987 |
| YAMAHA | YFZ BANSHEE 350 | 1988 |
| YAMAHA | YFZ BANSHEE 350 | 1989 |
| YAMAHA | YFZ BANSHEE 350 | 1990 |
| YAMAHA | YFZ BANSHEE 350 | 1991 |
| YAMAHA | YFZ BANSHEE 350 | 1992 |
| YAMAHA | YFZ BANSHEE 350 | 1993 |
| YAMAHA | YFZ BANSHEE 350 | 1994 |
| YAMAHA | YFZ BANSHEE 350 | 1995 |
| YAMAHA | YFZ BANSHEE 350 | 1996 |
| YAMAHA | YFZ BANSHEE 350 | 1997 |
| YAMAHA | YFZ BANSHEE 350 | 1998 |
| YAMAHA | YFZ BANSHEE 350 | 1999 |
| YAMAHA | YFZ BANSHEE 350 | 2000 |
| YAMAHA | YFZ BANSHEE 350 | 2001 |
| YAMAHA | YFZ BANSHEE 350 | 2002 |
| YAMAHA | YFZ BANSHEE 350 | 2003 |
| YAMAHA | YFZ BANSHEE 350 | 2004 |
| YAMAHA | YFZ BANSHEE 350 | 2005 |
| YAMAHA | YFZ BANSHEE 350 | 2006 |
- General Product Group
- Carburettor & Intake
- General Product Type
- Jet - Main
- Variant Id
- 229231
FULL DESCRIPTION
Brass Main Jet MIKUNI 4/042
This is a brass main jet for Mikuni carburetors, specifically designed with the designation MIKUNI 4/042. It features a 6mm hex head for easy installation and removal. This jet is sold individually.
This main jet is compatible with various Mikuni carburetor models, including:
- Mikuni VM carburetors
- Mikuni TM carburetors
- Mikuni TMX carburetors
It is suitable for Mikuni VM carburetors like the VM18 (clamp on), VM24-512, VM26-512, VM26-606, and TMX Series, as well as other carburetors that originally used 4/042 main jets. It may also fit several Original Equipment (OE) applications. Please verify dimensions before ordering.
Key Specifications:
- Overall Length: 11.5mm
- Thread Diameter: 5.2mm
- Thread Pitch: 5.25 x 0.9
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.


