Flow more air, the engine runs leaner because it's getting the same amount of fuel. 6 Sigma Improve the performance and longevity of your Honda XR600R with our custom carb jet kit. Increase horsepower, throttle response and lower exhaust... The stock carburetor from the factory is designed to meet Import Regulations ... not peak performance. Running lean causes detonation and hotter EGT's which ruin exhaust valves and destroy engines. Our jet kit provides the parts and installation instructions to enrich all the circuits in the carb, to fix this problem, and add performance you can feel in the seat. 1 KIT IS FOR THE ENTIRE BIKE, ALL CARBS ON THE BIKE. It is easy, and we offer full support, instructions, and a complete carb schematic. This is a comprehensive jet kit, addressing all throttle positions, throttle response, and each kit is custom made to your bike and its modifications. Replacing just the jets does not address 1/4-3/4 throttle position, or throttle response, only full throttle. ) Lower EGT's (exhaust gas temperatures) If you have installed an aftermarket, or modified the stock exhaust or intake, this is needed or you will damage your engine. If you notice any popping, you are extremely lean. Installing a jet kit in your carb is the best way to get the maximum performance and longest life out of your bike. Keep you dog secue with ou no slip dog collas and matingales. Add pesonalization and custom sizing to pevent pulling with a limited slip dog colla Kit Includes: Main Jets, Needle Adjusters, Nylon Spacers, Drill Bits, Slide Hole mod (with CV carb), Idle Mixture mod, Slide Spring Mod (with CV carb), Carb Schematic, Specifications, Carb Sync Tool build, Carb Cleaning Procedure, Proper Tuning Techniques, and step by step instructions with photos. Honda XR600R Motorcycle Pictures ~ Motorcycle Only basic hand tools are required. Performance Carb Jet Kit For Honda XR600R XR 600 628 India