Skip to Main Content
Search Suggestions
Menu

Product Details

Dynojet Stage 2 Jet Kit Yamaha WR450F

Dynojet Stage 2 kits are intended for motorcycles with a stock or mildly tuned engine using a well designed aftermarket pipe with a modified airbox. Designed for applications where airbox modification improves the engine’s performance and in most cases power increases of approximately 8% can be achieved.

Features:

  • Intended for stock or mildly tuned engines using a modified airbox, air filter and stock or quality high-flow aftermarket exhaust
  • Designed to maximize carburetor performance
  • Improves throttle response and power transfer
  • Power increases of approximately 8% can be achieved
  • Includes detailed installation instructions

Includes:

  • 1 Main Jet CJ134
  • 1 Main Jet CJ138
  • 1 Main Jet CJ142
  • 1 Main Jet CJ146
  • 1 Main Jet CJ150
  • 1 Main Jet CJ155
  • 1 Main Jet CJ160
  • 1 Fuel Needle DNO989
  • 1 E-clip DE0001
  • 1 Adjusting Washer DW0001
  • 1 Main Jet Adapter DJA001

Note: Images are for reference only, actual kits will vary per make and model.

Product Style RevZilla Item # Store Sku MFR. Product # Availability
Product Style Dynojet Stage 2 Jet Kit Yamaha WR450F 2005-2011 RevZilla Item #1211780 Store Sku MFR. Product #4150 AvailabilityOnly 1 Left: Ships next business day

This product DOES NOT FIT your 2014 Polaris Slingshot

This Product Fits
Yamaha
WR450F 2005-2011
This item is also available for 2 different vehicles. View All Models
Honda
CRF250X 2007-2015
Yamaha
WR250F 2005-2013

Dynojet Stage 2 Jet Kit Yamaha WR450F 2005-2011 Instructions

Product Description
Part Numbers
Fitment
Instructions
0 Customer Reviews
0 Questions & 0 Answers
Join now & get rewarded!

Get Free 2-Day Shipping and $15 + 5% RPM Cash on this order.

Already enrolled in RPM? Link your existing membership here.

Reviews & Questions

$39.99/yr.
Spend Less. Ride More.
  • 5% RPM Cash Back*
  • 10% Off Over 70 Brands
  • $15 in RPM Cash When You Join
  • Free 2-Day Shipping & Free Returns*
  • And more!
Become a member today! Learn More