Your cart is empty
Start ShoppingMIKUNI F4/042-160 Hex Main Jets - Precision Brass Jets for High-Performance Engines
Fits your
May not fit your
Description
Upgrade your engine's fuel delivery system with MIKUNI's precision-crafted F4/042-160 Hex Main Jets. These durable brass jets ensure optimal air-fuel mixture for enhanced power and responsiveness in high-performance two-stroke engines.
Key Features
- Brass Construction: Corrosion-resistant material for long-lasting performance in demanding riding conditions.
- #160 Jet Size: Precisely calibrated for balanced fuel flow in modified and stock engines.
- Hex Head Thread: Easy installation and secure fit for reliable fuel delivery.
- M5 x 0.75 Thread: Standardized threading ensures compatibility with most carburetor setups.
Why Choose This Product
Engineers and riders rely on MIKUNI jets for their accuracy and durability. These jets deliver consistent performance across a range of riding conditions, from street use to off-road racing. The lightweight brass construction (approx 0.5 oz) reduces overall carburetor weight without compromising structural integrity. Perfect for tuning enthusiasts seeking precise control over engine output.
Delivery
Checking availability...
Estimated arrival
Order within to ship today
Orders ship
Shipping to
Enter your ZIP code for delivery estimate
Price Match Guarantee
Found it cheaper?
Log in to submit a price match request.
Price
Quantity
Free Shipping $100+
14-Day Returns
Secure Checkout
Price Match
Complete the Build
This item
$21.85
In Cart
Upgrade your engine's fuel delivery system with MIKUNI's precision-crafted F4/042-160 Hex Main Jets. These durable brass jets ensure optimal air-fuel mixture for enhanced power and responsiveness in high-performance two-stroke engines.
Key Features
- Brass Construction: Corrosion-resistant material for long-lasting performance in demanding riding conditions.
- #160 Jet Size: Precisely calibrated for balanced fuel flow in modified and stock engines.
- Hex Head Thread: Easy installation and secure fit for reliable fuel delivery.
- M5 x 0.75 Thread: Standardized threading ensures compatibility with most carburetor setups.
Why Choose This Product
Engineers and riders rely on MIKUNI jets for their accuracy and durability. These jets deliver consistent performance across a range of riding conditions, from street use to off-road racing. The lightweight brass construction (approx 0.5 oz) reduces overall carburetor weight without compromising structural integrity. Perfect for tuning enthusiasts seeking precise control over engine output.
| SKU | GM7BB41D24 |
|---|---|
| MPN | F4/042-160 |
| Brand | MIKUNI |
| Category | Jets |
0.0
0 reviews
0
Log in to write a review.
Reviews
No reviews yet. Be the first to review this product!
Featured Review
| Make | Model | Years |
|---|---|---|
| Various | Mikuni TM/HPM series carbureted motorcycles/ATVs | 1985-2024 |
Frequently Asked Questions
Fits Mikuni TM40, VM34/VM36, BS36, and similar round main jet carbs on dirt bikes, ATVs, and street bikes.
Use a plug chop test or wideband O2 sensor; #160 is for mid-range tuning around 4000-7000 RPM.
Aftermarket precision machined brass; same specs but often more consistent flow than OEM.
Yes, smaller sizes like #150 for higher altitudes, larger like #170 for sea level rich tuning.
Installation Guide
Difficulty
Easy
Est. Time
5 min
Tools Required
- Small flathead screwdriver
- Jet wrench or needle nose pliers
Pro Tips
- Count turns when removing stock jet to match float height. Clean all passages first.
Common Mistakes to Avoid
- Dropping jet into carb body
- Not cleaning needle jet before install
Comparison vs Stock/OEM
Precision aftermarket brass jet matches OEM threading but offers more consistent orifice sizing
Improvements
- Better flow consistency
- Easier hex head removal/install
Considerations
- None significant; direct OEM replacement
Durability & Warranty
Expected Lifespan
Indefinite with proper maintenance (clean every service)
Warranty
Limited lifetime from Mikuni against defects
Maintenance
Ultrasonic clean with carb cleaner every 10-20 hours riding
What Others Are Saying
Reviews from across the web
