Mikuni Large Round Main Jets - 4/PK #107.5

Mikuni large round main jets (#107.5) for V-twin motorcycle carburetors, sold in a four-pack. These genuine Mikuni jets control fuel flow at mid-to-high throttle and are essential for proper jetting when tuning or rebuilding a carburetor.

Features

• Genuine Mikuni OEM part
• Large round main jet design
• #107.5 size specification
• Four jets per pack

Specifications

• Brand: Mikuni
• Manufacturer Part #: FN100604-107.5
• Jet Size: #107.5
• Quantity: 4 per pack
• Length: 4.5 in
• Width: 2.2 in
• Height: 0.6 in
• Weight: 0.05 lbs
• Country of Origin: Japan

Fitment

Fits V-twin motorcycles with Mikuni carburetors.

Frequently Asked Questions

What size is this jet?

#107.5 — a main jet size used in mid-to-high throttle tuning on many Harley and Indian carburetors.

How many jets are in a pack?

Four jets per pack — enough for a single carburetor rebuild or a spare set.

Is this the correct jet size for my bike?

Jet sizing depends on your engine, altitude, and air intake. Consult your carburetor manual or tuning guide to confirm #107.5 is correct for your application.

Are these genuine Mikuni parts?

Yes — these are genuine Mikuni OEM jets made in Japan, not aftermarket copies.