Dynojet Research 4136 Jet Kit for Carbureted Motorcycles

The Dynojet Research 4136 Jet Kit is a precision-tuned carburetor modification kit designed to optimize fuel delivery and unlock additional performance from your motorcycle's engine. This comprehensive kit includes jets, needles, springs, and detailed instructions to recalibrate your carburetor for improved throttle response, smoother power delivery, and measurable horsepower gains.

Stage Configurations:

• Stage 1: Designed for stock engine with stock or modified exhaust pipes and stock filters. Delivers approximately 5% power increase with excellent driveability.
• Stage 2: Ideal for stock or mildly modified engines with stock or modified pipes and filters. Provides approximately 8% power increase with maintained street rideability.
• Stage 3: Optimized for stock or mildly modified engines with individual air filters (pods). Offers approximately 10-15% power increase, though driveability may be compromised. Not available for all applications.
• Stage 7: Race-only configuration designed for high-RPM competition use. Not intended for street use.

Each Dynojet kit is application-specific and includes all necessary components for recalibration. Proper installation and tuning will maximize performance gains while maintaining reliable operation across your engine's RPM range.