JOG 90 Light Weight Clutch

Lower rotating mass. Cleaner engagement. Consistent launches.

This Lightweight Clutch for Yamaha JOG 90 trims rotating mass to help the engine build RPM faster while keeping engagement predictable. A rigid carrier and stable shoe geometry support clean, repeatable contact inside the bell for steady take-offs in daily use.

Highlights

  • Reduced Rotational Mass440 g assembly supports quicker rev-up after proper CVT tuning.

  • Predictable Engagement — Stable shoe geometry targets a clean, repeatable bite.

  • Heat-Fade Resistance — Rigid carrier helps maintain pressure and feel under temperature.

  • OEM-Fit Interfaces — Hub splines/threads align with stock hardware for straightforward assembly.

  • Tuning-Friendly — Engagement RPM can be set via clutch spring rate to match your riding style.

Product Specifications
Outer Diameter: 106 mm
Weight: 440 g
Type: Automatic centrifugal Lightweight Clutch (assembly)
Fitment: Yamaha JOG 90 (confirm year/variant)
Focus: Launch response / engagement consistency
Package Includes: Clutch Assembly ×1

Installation Notes

  • Verify bell inner diameter and cover clearance; bed the clutch to a clean, oil-free bell surface.

  • Replace all three small springs together and set rate to hit target engagement RPM.

  • Recheck roller weights and contra spring for overall balance; torque fasteners to spec.

  • Road-test, then inspect for creeping, slip, or uneven contact and fine-tune as needed.

Power You Can Trust.