Select Your Ride

1
2
3

JT SPROCKETS Countershaft Sprocket - 18 Tooth - Yamaha JTF579.18

Part Number: 12121717
JT SPROCKETS
(No reviews yet) Write a Review
SKU:
12121717
UPC:
824225206623
MPN:
JTF579.18
Availability:
Ships Same Business Day
Weight:
0.50 LBS
view larger
$18.75
Prop 65 Warning Prop 65 Warning cancer & reproductive harm Price Match Call for more info on price match does not include 3rd party ads

Description

A properly sized countershaft sprocket is critical for maximizing power delivery and maintaining optimal gear ratios across your Yamaha's powerband. This 18-tooth sprocket from JT delivers the precision engineering and material durability required for consistent performance, whether you're fine-tuning on the track or managing daily riding demands. Built from SCM420 chromoly steel, it resists wear and fatigue better than standard alternatives, ensuring reliable engagement cycle after cycle.

  • 18-tooth countershaft sprocket
  • SCM420 chromoly steel construction
  • Yamaha JTF579 fitment
  • CNC-manufactured teeth
  • Precision chain engagement
  • OEM-comparable durability
  • Bolt-on installation
  • MPN: JTF579.18
View AllClose

0 Reviews

View AllClose

Fitment

Fitment for JT SPROCKETS Countershaft Sprocket - 18 Tooth - Yamaha JTF579.18

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.

Details

Easy 30-Day Returns

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

Details

You May Also Like

Related Products

Related Products

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

Privacy Policy | Terms of Use | Site Accessibility