Select Your Ride

1
2
3

MIKUNI Main Jet #490 - 4-Pack 4/042-490

Part Number: KM4042490
MIKUNI
(No reviews yet) Write a Review
SKU:
KM4042490
MPN:
4/042-490
Condition:
New
Availability:
Ships Same Business Day
Weight:
0.05 LBS
$5.20
Prop 65 Warning Prop 65 Warning cancer & reproductive harm Price Match Call for more info on price match does not include 3rd party ads
Frequently bought together:

Description

Carburetor tuning is the foundation of predictable engine performance, and a precise main jet is essential to dialing in your air-fuel mixture under load. The MIKUNI #490 main jet delivers consistent fuel delivery across a wide RPM range, ensuring your engine runs clean and responsive whether you're on the track or the street. This 4-pack gives you the spares you need to avoid downtime and experiment with jetting adjustments for your specific setup.

  • Fits MIKUNI VM18 (clamp-on)
  • Fits MIKUNI VM24-512
  • Fits MIKUNI VM26-512
  • Fits MIKUNI VM26-606
  • Fits MIKUNI TMX Series
  • OE applications compatible
  • Replaces 4/042 jets
  • Made in Japan
  • Quantity: 4-pack
  • Manufacturer Part Number: 4/042-490
  • Verify fitment before installation
View AllClose

Specs

JET SIZE:
490
OVERALL DIAMETER METRIC:
6.00 MM
PRODUCT NAME:
JET
RIDING STYLE:
SNOW
RIDING STYLE:
STREET
UNITS:
4 PACK
MATERIAL:
BRASS
OVERALL LENGTH METRIC:
12 MM
RIDING STYLE:
ADVENTURE TOURING / DUAL-SPORT
RIDING STYLE:
ATV
TYPE:
MAIN
FEATURES:
FOR VM CARBURETORS
OVERALL DIAMETER:
6,00 MM (0,24')
OVERALL DIAMETER IMPERIAL:
0.24'
OVERALL LENGTH IMPERIAL:
0.47'
RIDING STYLE:
UTV
HEAD TYPE:
HEX HEAD
OVERALL LENGTH:
12 MM (0,47')
RIDING STYLE:
OFF-ROAD
View AllClose

0 Reviews

View AllClose

Fitment

Fitment for MIKUNI Main Jet #490 - 4-Pack 4/042-490

View AllClose

FREE Shipping on orders of $99 or more!


Commercial Accounts

We offer tax-free commercial accounts, providing businesses with significant savings and streamlined benefits.



Easy 30-Day Returns

We proudly offer 30-day easy returns, ensuring a hassle-free and convenient shopping experience for our customers.


You May Also Like

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER