Jet Kit for Yamaha FZR400 1988-90 (Stage 1&3) Model_XJ600S DIVERSION This provides more power

This provides more power

They also includes a built in power connector that plugs directly into the bike's stock wiring harness for easy connection

The Power Commander 6 fuel injection tuning device allows you to optimize your fuel and ignition timing curve (where applicable) giving you the confidence to roam freely

The Dynojet Shift Rods provide a solution to accommodate the Dynojet Quickshifter sensor

something no other competitor can claim

Jet Kit for Yamaha FZR400 1988-90 (Stage 1&3) Model_XJ600S DIVERSION This provides more powerTake your performance to new heights with a Jet Kit for your motorcycle. Increase power and improve performance throughout the entire RPM range, while improving throttle response and smoothness. Our Jet Kits take the guesswork out of tuning your bike. Whether your bike is stock or youve made some modifications, our Jet Kit will optimize your air fuel ratio to eliminate rough spots and help you take control of your motorcycles power. STAGE 1 DETAILS