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MIKUNI Main Jet #170 - 4-Pack 4/042-170

Part Number: KM4042170
MIKUNI
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SKU:
KM4042170
MPN:
4/042-170
Condition:
New
Availability:
Ships Same Business Day
Weight:
0.05 LBS
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$14.56
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Description

Precise fuel delivery is the foundation of carburetor tuning, and a properly sized main jet directly impacts your engine's power output and throttle response across the RPM band. The MIKUNI #170 main jet gives you the fuel metering you need for peak performance in mid-range to high-RPM conditions, whether you're tuning a street bike, kart, or small-displacement race engine. This 4-pack ensures you have spares on hand and the flexibility to test jet sizes during fuel map optimization.

Technical Specifications:

  • Jet Size: #170
  • Orifice Code: 4/042
  • Quantity: 4 jets
  • Manufacturer: MIKUNI
  • Country of Origin: Japan
  • Compatible Carburetors: VM18 (clamp-on), VM24-512, VM26-512, VM26-606, TMX Series
  • OE Applications: Multiple—verify fitment
  • Material: Brass construction
  • Installation: Bolt-in replacement
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Specs

RIDING STYLE:
ATV
HEAD TYPE:
HEX HEAD
MATERIAL:
BRASS
OVERALL LENGTH:
12 MM (0,47')
OVERALL LENGTH METRIC:
12 MM
RIDING STYLE:
OFF-ROAD
RIDING STYLE:
SNOW
UNITS:
4 PACK
FEATURES:
FOR VM CARBURETORS
OVERALL DIAMETER IMPERIAL:
0.24'
PRODUCT NAME:
JET
RIDING STYLE:
STREET
JET SIZE:
170
OVERALL DIAMETER:
6,00 MM (0,24')
OVERALL DIAMETER METRIC:
6.00 MM
OVERALL LENGTH IMPERIAL:
0.47'
RIDING STYLE:
ADVENTURE TOURING / DUAL-SPORT
RIDING STYLE:
UTV
TYPE:
MAIN
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Fitment

Fitment for MIKUNI Main Jet #170 - 4-Pack 4/042-170

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MIKUNI Main Jet - 4-Pack N100604-170

MIKUNI

$5.20
Fine-tuning your carburetor's fuel delivery is essential for optimizing throttle response, fuel economy, and overall engine performance. A properly sized main jet ensures your bike runs at peak...
KN100604170
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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

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