Stage 1: Entry level performance upgrade - ideal for recreational use and mild performance gains. Typically includes basic components like air filter, exhaust, and minor internal upgrades. No need to open case, bolt-on parts.

Stage 2: Intermediate performance - suitable for enthusiasts looking for noticeable power gains. Includes upgraded carburetor, camshaft, and valve train components. No need to open case.

Stage 3: Advanced performance - designed for serious racers and performance enthusiasts. Features high-performance internal components and aggressive tuning.

Stage 4: Maximum performance - race-ready kits with premium components for competitive racing applications. Requires proper installation and tuning for optimal results.

⚠️ Application Notes

Carburetor Kits: Mikuni flat slide carburetors provide superior throttle response and fuel delivery for racing applications.

Installation: Professional installation recommended for Stage 3 and Stage 4 kits. Proper tuning and break-in procedures are essential for optimal performance and engine longevity. Stage 1 and 2 kits are bolt-on parts with no need to open the case.

Compatibility: Always verify engine model and specifications before ordering. Some kits may require additional components or modifications.

For technical specifications, installation instructions, and compatibility questions, please contact our technical support team.