Great quality for a great price
Mikuni Large Round Main Jets #167.5 4-Pack - Harley & Indian V-Twin
About Mikuni
Mikuni has supplied carburetors and fuel-system components to the motorcycle industry for decades, and its HSR series remains a common choice for carbureted Evolution and Twin Cam V-twins where a clean, tunable fuel curve matters more than electronics.
These genuine Mikuni large round main jets, sized at #167.5, are crucial for precisely tuning your V-twin's carburetor. Sold in a convenient 4-pack, they meter fuel flow through the main circuit. This makes them essential when re-jetting your Harley or Indian for changes in altitude, air filter, or exhaust system.
Why riders pick this
- Genuine Mikuni OEM quality for reliable fuel delivery
- Precise #167.5 sizing for accurate fuel mixture tuning
- 4-pack for convenient tuning and having spares on hand
- Large round taper design optimized for specific Mikuni carbs
Achieving optimal engine performance on your V-twin often comes down to precise fuel metering. These #167.5 Mikuni large round main jets are designed to provide accurate fuel flow through the main circuit of your carburetor. Whether you've installed a high-flow air intake, an aftermarket exhaust, or are simply tuning for different atmospheric conditions, having the correct jet size ensures your Harley or Indian motorcycle runs clean and strong across the power band.
Enhanced Fuel Control
- Genuine Mikuni OEM components for assured quality
- #167.5 jet size for precise fuel mixture tuning
- Supplied in a 4-pack for comprehensive tuning options
- Large round taper design for specific Mikuni carburetors
The Foundation of Performance
Riders who are serious about their V-twin's performance understand the importance of proper jetting. A #167.5 main jet can be a vital step in preventing lean conditions that can lead to engine damage, or overly rich conditions that can hinder power and efficiency. These jets are an indispensable tool for any Harley or Indian owner looking to refine their bike's fuel system and extract maximum, usable power from their engine, especially after performance upgrades.
Specifications
- Brand: Mikuni
- Manufacturer Part #: FN100604-167.5
- Jet Size: 167.5
- Quantity: 4 per pack
- Length: 4.4 in
- Width: 2.2 in
- Height: 0.6 in
- Weight: 0.05 lbs
- Country of Origin: Japan
Common questions
What does the #167.5 jet size mean for my V-twin?
The #167.5 jet size determines the fuel flow through the main circuit of your carburetor. It's used to fine-tune the air-fuel mixture, being richer than a #165 and leaner than a #170.
How many jets are included in a pack?
Each pack contains four genuine Mikuni large round main jets. This provides ample supply for tuning adjustments, having spares, or servicing multiple carburetors.
Will these jets fit my Harley or Indian motorcycle?
These genuine Mikuni jets are designed for V-twin motorcycles with Mikuni carburetors that use large round jet seats. Please verify your specific carb model to ensure compatibility before ordering.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Mikuni |
| TYPE | Jets |
| SKU | 134-71675 |
| WEIGHT | 0.05 lb |
It's an oem Mikuni jet not much to say.
Great product packaging very good
good part
5 Stars
Fast shipping, very satisfied