Mikuni Large Round Main Jets - 4/PK #120
Genuine Mikuni large round main jets in #120 specification, sold in a 4-pack for carburetor jetting and tuning. Essential consumable for riders who frequently change altitude, fuel type, or engine modifications.
Features
- Genuine Mikuni OEM part
- #120 jet size
- 4-pack quantity
- Fits Mikuni large round carburetors
Specifications
- Brand: Mikuni
- Manufacturer Part #: FN100604-120
- Quantity: 4 per pack
- Length: 4.4 in
- Width: 2.2 in
- Height: 0.6 in
- Weight: 0.05 lbs
- Country of Origin: Japan
Fitment
Fits V-twin motorcycles equipped with Mikuni large round carburetors.
Frequently Asked Questions
What size jet is this?
#120 specification — one size larger than #110 and one size smaller than #130. Check your current jetting and air/fuel needs before ordering.
How many jets are in the pack?
Four jets per pack — enough for one complete main and backup jets, or spares for multiple tuning sessions.
Do I need special tools to change main jets?
No special tools required. Simply unscrew the float bowl, remove the old jet, and install the new one. Takes minutes.
Will these fit my Harley or Indian with Mikuni carbs?
Yes — if your bike runs a Mikuni large round carburetor, these will fit. Confirm your carb model and current jet size before ordering.
| BRAND | Mikuni |
| TYPE | Jets |
| SKU | 134-7120 |
| WEIGHT | 0.05 lb |