DYNOJET Jet Kit - Stage 1/2 Yamaha YFM 250 R / RSP Raptor 08-13

The Dynojet Stage 1/2 Jet Kit enhances horsepower, throttle response, and overall drivability for both stock and mildly modified engines. Stage 1 is designed for stock engines with factory or modified pipes and filters, delivering an approximate 5% power increase. Stage 2 supports engines with mild intake and exhaust modifications and provides around an 8% gain. Fully adjustable and manufactured from high-quality brass, this kit allows precise tuning to match your motorcycle’s setup and ensures consistent, improved performance across the rev range.

Features:

• Stage 1: for stock engine/filters with stock or modified pipes.
• Stage 1 power increase: approx. 5%.
• Stage 2: for stock or mildly modified engines with stock/modified pipes and filters.
• Stage 2 power increase: approx. 8%.
• Improves power, throttle response, and drivability.
• Fully adjustable for precise tuning.

Features: