NMAX Transmission Parts

Precision-matched 139/140 mm pairing—smooth engagement, consistent belt contact.

The N-MAX Variator Kit is engineered for YAMAHA N-MAX scooters and includes a 139 mm variator pulley (24 mm bore), a 140 mm pulley fan, ramp plate, and center sleeve. Each part is precision-machined for flatness and balance to support smooth drive engagement and reliable belt contact. Total kit weight: 840 g.

🔹 139 mm Pulley / 24 mm Bore — Sized for stable belt path and contact
🔹 140 mm Pulley Fan — Matches shrouds to guide airflow over the drive face
🔹 Ramp Plate Geometry — Stock-layout interface for accurate assembly
🔹 Balanced Components — Reduced vibration for consistent operation
🔹 Complete Kit — Pulley, ramp plate, pulley fan, center sleeve included

Product Specifications
✔ Pulley OD / ID: Ø139 mm / Ø24 mm
✔ Pulley Fan OD: Ø140 mm
✔ Total Weight (Kit): 840 g
✔ Fitment: YAMAHA N-MAX models (year/market dependent)
✔ Focus: Smooth engagement, consistent belt contact, straightforward install
✔ Package Includes: Pulley, ramp plate, pulley fan, center sleeve

Installation Notes
• Verify roller/slider weights and drive belt condition (not included).
• Follow OEM torque/lubrication practices for the variator nut and sleeve.
• Check fan–shroud clearance after assembly and belt tracking on first run.

Power You Can Trust.

Consistent balance. Smooth transmission. OEM-fit quality.

These Roller Weights for YAMAHA NMAX are precision-engineered in size 20×12L, available in 7 g to 15 g, and sold as a set of 6 pcs. Manufactured with durable, wear-resistant material, they ensure stable CVT performance and smooth throttle response. Perfect for regular maintenance or fine-tuning your scooter’s transmission while maintaining OEM compatibility and reliability.

Highlights

• 7 g ~ 15 g Range — Fine-tune acceleration and top-end performance.

• 20×12L Size — OEM-fit for NMAX variator systems.

• Durable Composition — Reduces wear, deformation, and vibration.

• Smooth CVT Operation — Ensures stable and predictable response.

• Complete Set — 6 pcs included for full replacement.

Product Specifications
✔ Type: Roller Weights (Standard)
✔ Dimensions: 20×12L
✔ Weight Range: 7 g ~ 15 g
✔ Fitment: YAMAHA NMAX
✔ Package Includes: Roller Weights ×6

Installation Notes

• Choose roller weight to match your desired riding setup.

• Replace all 6 pcs together to ensure even wear.

• Confirm variator compatibility before installation.

• Lightly lubricate variator tracks for smoother rotation.

Power You Can Trust.

Superior wear resistance. Smoother shifting. Premium upgrade.

These A+ Roller Weights for YAMAHA NMAX are precision-engineered in size 20×12L, available in 7 g to 15 g, and sold as a set of 6 pcs. Compared with standard rollers, the A+ version provides enhanced durability, reduced surface friction, and longer service life, ensuring smoother CVT engagement and consistent throttle response for both daily riding and performance tuning.

Highlights

• Upgraded Composition — Improved wear resistance for extended use.

• 7 g ~ 15 g Options — Fine-tune acceleration and top-end balance.

• 20×12L Size — OEM-fit for NMAX variator systems.

• Smooth CVT Performance — Reduces vibration and enhances throttle response.

• Complete Set — Includes 6 pcs for one full replacement.

Product Specifications
✔ Type: A+ Roller Weights (Premium)
✔ Dimensions: 20×12L
✔ Weight Range: 7 g ~ 15 g
✔ Fitment: YAMAHA NMAX
✔ Package Includes: A+ Roller Weights ×6

Installation Notes

• Select roller weight to match your desired performance setup.

• Replace all 6 pcs simultaneously for balanced CVT function.

• Confirm proper variator size before installation.

• Apply light lubrication to roller tracks for smoother operation.

Power You Can Trust.

Reduced mass. Sharper response. OEM-fit installation.

This Light Weight Clutch for Yamaha N-MAX features a reduced weight of 905 g and an outer diameter of 118 mm. The lighter rotating mass enhances throttle response and makes take-offs more agile, especially in urban stop-and-go conditions. Manufactured with durable friction materials, it balances performance with reliability while fitting directly with OEM clutch bell and transmission parts.

Highlights

• 905 g Lightweight Design — Reduced inertia for quicker engagement and sharper response.

• 118 mm OD — Compatible with OEM clutch bell dimensions.

• Smooth Engagement — Optimized shoe profile for predictable lock-up.

• Durable Build — Materials resist heat and wear for daily use.

• Direct Fit — Installs without modification, fully compatible with OEM CVT.

Product Specifications
✔ Outer Diameter: 118 mm
✔ Weight: 905 g
✔ Type: Light Weight clutch assembly
✔ Fitment: Yamaha N-MAX
✔ Package Includes: Clutch Assembly ×1

Installation Notes

• Confirm clutch bell size compatibility before installation.

• Inspect spring preload and shoe clearance before operation.

• Break in with moderate riding to allow friction surfaces to seat.

• Replace clutch bell if worn, glazed, or out of spec.

• Test ride to confirm stable and smooth engagement.

Power You Can Trust.

Added mass. Stronger engagement. Durable performance.

This Weight Clutch for Yamaha N-MAX is designed with a mass of 1065 g and an outer diameter of 118 mm. The increased weight delivers firmer and more stable clutch engagement, making it ideal for riders who need durability and consistent performance under heavy load conditions. Manufactured from heat- and wear-resistant materials, it ensures long service life while maintaining OEM-fit installation.

Highlights

• 1065 g Design — Added mass enhances stability and reduces slip.

• 118 mm OD — Matches OEM clutch bell dimensions for proper fit.

• Firm Engagement — Provides a stronger connection during launches and hill climbs.

• Durable Build — Resists heat cycles and wear for long-lasting reliability.

• Direct Fit — Installs seamlessly with OEM CVT components.

Product Specifications
✔ Outer Diameter: 118 mm
✔ Weight: 1065 g
✔ Type: Weight clutch assembly
✔ Fitment: Yamaha N-MAX
✔ Package Includes: Clutch Assembly ×1

Installation Notes

• Confirm clutch bell size before installation.

• Check clutch shoe clearance and spring preload.

• Break in with moderate riding for proper surface seating.

• Inspect clutch bell for wear or glazing; replace if needed.

• Test ride to confirm stable and consistent engagement.

Power You Can Trust.

Reinforced Safety Ring. Sandblasted Inner Surface. Vent-Cut Cooling Flow.

This Clutch Bell for N-MAX features a reinforced outer safety ring, providing additional structural strength during high-RPM operation. The sandblasted inner surface increases clutch shoe bite for faster engagement, while the vent-cut openings enhance airflow, reduce heat buildup, and improve clutch consistency.

With its large 137 mm outer diameter and durable 715 g structure, it delivers stable power transfer and reliable CVT performance for daily riding and light performance upgrades.

🔹 Highlights

• Reinforced Outer Ring — Stronger structure for high-RPM durability

• Sandblasted Inner Surface — Improved clutch bite and stable engagement

• Vent-Cut Openings — Enhanced cooling and dust release

• Large OD 137 mm — Broad contact area for stronger stability

• OEM-Compatible Fitment — Designed specifically for N-MAX CVT systems

✔ Product Specifications

• Type: Clutch Bell

• Outer Diameter: 137 mm

• Inner Diameter: 125 mm

• Weight: 715 g

• Fitment: N-MAX

• Focus: Strength, cooling efficiency & engagement stability

• Package Includes: Clutch Bell ×1

🔧 Installation Notes

• Check clutch shoe condition before installation

• Ensure proper clearance with clutch housing

• Inspect springs to optimize engagement response

• Sandblasted surface requires a short break-in period

Power You Can Trust.

Fine-Tune Engagement. Smooth Launch. Consistent Power Response.

This Clutch Spring Set for YAMAHA NMAX allows precise tuning of clutch engagement speed to match your riding or performance setup. Available in four RPM levels — Blue (1000RPM), Orange (1200RPM), Yellow (1500RPM), and Red (2000RPM) — these color-coded springs help you adjust takeoff response and acceleration timing. Each set includes 3 springs, ensuring balanced operation and stable clutch engagement.

🔹 Highlights

• Four RPM Options — 1000 / 1200 / 1500 / 2000 for fine-tuned clutch response

• Color-Coded Design — Easy identification: Blue / Orange / Yellow / Red

• Optimized Takeoff Control — Adjust engagement point for smoother acceleration

• Heat-Resistant Spring Steel — Maintains elasticity and strength at high temperature

• Complete Set — Includes 3 clutch springs for one full assembly

✔ Product Specifications

• Type: Clutch Spring Set

• RPM Rating: 1000 (Blue) / 1200 (Orange) / 1500 (Yellow) / 2000 (Red)

• Fitment: YAMAHA NMAX

• Focus: Adjustable clutch engagement & acceleration control

• Package Includes: Clutch Springs ×3

🔧 Installation Notes

• Choose spring tension according to desired engagement RPM

• Install all 3 springs of the same color for optimal balance

• Compatible with both OEM and upgraded clutch assemblies

• Verify spring positioning and preload before operation

Power You Can Trust.

Precision-Cut Gears. Stable Power Transfer. Tailored Final-Drive Ratios.

This Transmission Gear Set for N-MAX is crafted with high-precision machining to deliver stable power transfer and durable performance for both daily commuting and light performance upgrades.
Available in five ratio options—12×33T, 12×34T, 13×33T, 14×32T, 14×34T—allowing riders to fine-tune acceleration response or cruising characteristics based on individual riding preference.

🔹 Highlights

• Five Ratio Options — 12×33T / 12×34T / 13×33T / 14×32T / 14×34T

• Precision Gear Cutting — Ensures smooth and stable meshing

• Improved Durability — Designed for long-term reliability

• Optimized Final Drive — Adjust acceleration vs. top-end balance

• OEM-Compatible Fitment — Direct installation for N-MAX gear cases

✔ Product Specifications

• Type: Transmission Gear Set

• Gear Ratios: 12×33T / 12×34T / 13×33T / 14×32T / 14×34T

• Fitment: YAMAHA N-MAX

• Focus: Stability, durability & ratio flexibility

• Package Includes: Primary & secondary gear set ×1 (ratio as selected)

🔧 Installation Notes

• Choose ratio based on preferred acceleration or cruising RPM

• Higher secondary teeth = smoother cruising / lower RPM

• Proper gear oil and break-in recommended

• Ensure gear case bearings are in good condition during installation

Power You Can Trust.