DYNOJET JET KIT Q435 YAMAHA YFM250 RAPTOR 08-10

Fits YAMAHA YFM250 BEAR TRACKER 99-04Stage 1 and 2Stage 1 kit are intended for motorcycles with a stock engine using the stock airbox, air filter and stock pipeStage 2 kit are Intended for motorcycles with a stock or mildly tuned engine using a well designed aftermarket pipe with a modified airbox and a stock replacement air filterStage 2 kit are designed for applications where individual filters cannot be installed and for applications where airbox modification improves the engine's performance, in most cases power increases of approximately 8 percent can be achievedDynojet carburetor jet kit can provide you with a simple and affordable solution to all your carburetion problems. Dynojet kits increase power and smoothness throughout the entire rev range, while maintaining optimum fuel economy. Dynojet stage 1 kits are fully adjustable to allow the use of a well designed aftermarket pipes and stock replacement air filters, stage 1 kits are designed to improve throttle response and driveability and in most cases power increases of approximately 5 percent throughout the entire power range can be achieved. Dynojet stage 2 kits are designed for applications where individual filters cannot be installed and for applications where airbox modification improves the engine's performance, in most cases power increases of approximately 8 percent can be achieved. Each Dynojet jet kit includes comprehensive instructions which show step-by-step installation and testing procedures to ensure a perfect setup every time.