KOSO Transmission Power Kit: GTS 300 Performance Redefined
Compatibility: VESPA GTS 300/ GTV 300
The KOSO Transmission Power Kit (FN808000) is engineered to unleash the full potential of your Vespa GTS 300. This is a complete, high-performance upgrade focused on maximizing acceleration and efficiency.
Key Performance Advantages
| Feature | KOSO Specification | OEM Comparison |
| Optimized Ratio | 3.0 | OEM: 2.6 |
| Variator Design | Aft-swept blade design | Reduces high-RPM operational load. |
| Material | High-Silicon Aluminum Die-Cast | Superior wear resistance and durability. |
| Bearing | High-Precision Powder Metallurgy | Minimizes runout, significantly boosting efficiency. |
Components & Quality
-
Premium Variator: Features specialized aft-swept blades and high-precision diamond tool machining.
-
Aesthetic: Blackout Edition—High-grade black coating with two-tone CNC finish for a stealth, high-quality look.
-
Pressure Plate: Blackened, hardened treatment to increase wear resistance and self-lubrication.
-
Sliders (Sliding Pieces): High-grade engineering plastic, built to resist high heat, impact, and abrasion.
-
Roller Weights: High precision and perfect roundness, formulated for exceptional resilience.
-
Torque Spring: Left-hand spiral, Silicon Chrome Alloy Steel construction prevents deformation and reduces fatigue.
-
Tuning Shims: Includes 1.0mm and 0.5mm shims for optimal fine-tuning (default installation suggested at 1.5mm for new belts).
Made In Taiwan