Description
Jetting is the foundation of carburetor tuning—get it wrong, and you’ll leave power on the table or risk lean-running damage. The MIKUNI Main Jet 4-Pack gives you the flexibility to dial in your fuel mixture across load ranges and altitude conditions without waiting for parts to arrive mid-season. As a precision-machined component made in Japan, these jets maintain tight tolerances that directly impact throttle response, fuel economy, and overall engine reliability.
Whether you’re fine-tuning a street bike, prepping for track days, or rebuilding a carb setup, having multiple jet sizes on hand is essential for serious tuning work.
- Size: 117.5
- Quantity: 4-pack
- MPN: N100604-117.5
- Fitment: VM16, HS40, HSR42/45/48
- Also fits: RS, TM, VM29/33
- Carburetor type: Smoothbore models
- Origin: Made in Japan
- Material: Precision-machined brass
- Installation: Bolt-on replacement
- Note: Stock Mikuni carb required
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