Features:
- 5-8% power range
- Fully adjustable
- Increases power and drivability
- For carbureted vehicles only
Tested to Perfection
Dynojet's jet kits are designed to upgrade every part of your carburetors air/fuel ratio with included step-by-step instructions for whatever you need upgraded. From your fuel needle to the main air jet, Dynojet has extensively tested every component, which means that you'll see results as soon as you rev the engine.
Smoother Power
These jet kits give some extreme upgrades in a small package. They increase power and smoothness throughout the entire rev range while maintaining fuel economy. There are multiple kit options from stock commuter motorcycles to race-ready bikes and everything in between.
Fitments:
- Yamaha
- WR250F 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2013
With a Jet Kit for your motorcycle, you'll feel the rush of Dynojet's legacy with each ride. Enjoy a boost of horsepower and smoother acceleration.
Take your performance to heights with a Jet Kit for your motorcycle. Increase power and improve performance throughout the entire RPM range, while improving throttle response and smoothness. These Jet Kits take the guesswork out of tuning your bike. Whether you're rolling with a stock bike or you've made some modifications, Jet Kit will optimize your air/fuel ratio to eliminate rough spots and help you take control of your motorcycle's power. You can go with a Stage 1 Jet Kit to give your stock engine a 5% boost of horsepower or send it the way up to Stage 7 if you've made significant upgrades to set your bike up for success on race day. Stage 2 Details If you've made slight modifications to your motorcycle, but still crave more performance, a Stage 2 Jet Kit is the solution. With a Stage 2 Jet Kit, you could see power gains of approximately 8%. This kit is intended for bikes with stock or mildly tuned engines using a well - designed aftermarket pipe with a modified airbox and a stock replacement air filter.