RS 100 Transmission Parts

Compact 105 mm control for cleaner launches and smoother revs.

This Variator Pulley Kit is tailored for RS 100 CVT systems. The 105 mm drive pulley pairs with a 109 mm fan to balance take-off response and mid-range smoothness while keeping belt tracking stable. Machined interfaces match OEM geometry for a clean, consistent setup on daily rides or light performance builds.

Highlights
🔹 Balanced Launch & Cruise — 105 mm pulley supports off-the-line response without sacrificing cruise smoothness.
🔹 Stable Belt Guidance — Ramp/face angles help reduce slip and glazing under stop-and-go use.
🔹 Airflow Alignment — 109 mm fan assists compartment cooling for repeatable performance.
🔹 Consistent Machining — Interfaces follow OEM spec for reliable fitment and alignment.
🔹 Tuning-Ready — Works with common roller weights and belts; easy to fine-tune target RPM.

Product Specifications
✔ Pulley OD / ID: 105 mm / 21 mm
✔ Fan OD: 109 mm
✔ Total Kit Weight: 460 g
✔ Fitment: RS 100 (confirm model year/variant)
✔ Focus: Daily riding / light performance upgrade
✔ Package Includes: Drive Pulley ×1, Pulley Fan ×1, Pulley Fan Washer/Spacer ×1, Ramp Plate (Ramp Plate/Slider) ×1

Installation Notes

• Confirm crankshaft spec and pulley ID 21 mm compatibility; check cover clearance.

• Start with current roller weights; adjust ±0.5–1.0 g to target RPM.

• Inspect belt width/condition; a worn belt changes the shift curve.

• Torque the variator nut to manufacturer spec; verify free rotation after assembly.

Power You Can Trust.

Lightweight airflow shell for cleaner bite and steadier stops.

This 2D Clutch Bell for RS 100 pairs a matte-coated inner face with airflow-oriented cutouts to help engagement stay predictable through repeated starts. Front openings move heat away, while side dust ports help eject debris to reduce glazing. OEM-fit geometry keeps installation straightforward.

Highlights
🔹 Matte-Coated Inner Face — Coating supports clean, repeatable clutch bite.
🔹 Airflow Front Cutouts — Assist CVT compartment cooling under stop-and-go use.
🔹 Side Dust Ports — Help eject wear dust and reduce glazing/slip.
🔹 410 g Lightweight Shell — Balanced response for daily and light-tuned setups.
🔹 OEM-Fit Interfaces — Drop-in alignment with stock hardware.

Product Specifications
✔ Outer / Inner Diameter: 119.5 mm / 111.5 mm
✔ Weight: 410 g
✔ Material: Steel
✔ Fitment: RS 100 (shares spec with JOG 50 / JOG 90; confirm year/variant)
✔ Focus: Consistent engagement / heat & dust management
✔ Package Includes: Clutch Bell ×1

Installation Notes

• Verify shoe size and cover clearance; confirm OD/ID compatibility.

• Inspect clutch shoes and small springs; replace if worn or heat-checked.

• Keep the inner surface clean and dry; do not lubricate contact areas.

• Gentle run-in, then recheck for noise, vibration, or uneven contact.

Power You Can Trust.

Reinforced Outer Ring. Sandblasted Inner Surface. Vent-Cut Cooling Efficiency.

This RS100 3D Clutch Bell features a reinforced outer safety ring, distinguishing it from standard 2D clutch bells and improving structural strength at high RPM. The sandblasted inner surface increases friction for quicker clutch engagement, while the front vent-cut openings help reduce heat buildup and maintain consistent performance during repeated acceleration.

Designed for RS100 riders seeking a stable, responsive, and durable CVT upgrade for daily riding and light performance tuning.

🔹 Highlights

• Reinforced Outer Ring (3D Design) — Stronger structure vs. 2D clutch bell

• Sandblasted Inner Surface — Improved bite and stable engagement

• Vent-Cut Openings — Enhanced cooling airflow and dust release

• Lightweight 455 g — Reduced rotational load, smoother response

• OEM-Compatible Fitment — Direct installation for RS100 CVT systems

✔ Product Specifications

• Type: 3D Clutch Bell

• Outer Diameter: 122 mm

• Inner Diameter: 112 mm

• Weight: 455 g

• Fitment: RS100

• Focus: Structural strength & cooling efficiency

• Package Includes: Clutch Bell ×1

🔧 Installation Notes

• Ensure clutch shoe condition before installation

• Confirm proper clearance between clutch bell and clutch housing

• Recommended to inspect springs for optimal response

• Allow a short break-in period for sandblasted surface engagement

Power You Can Trust.

Enhanced Bite. QPQ Surface Strength. Lightweight Daily Performance.

This QPQ Light Weight Clutch Bell for RS100 features a unique internal groove-pattern design, replacing traditional sandblasted coatings to provide stronger clutch shoe engagement under acceleration. The hardened QPQ (Quench–Polish–Quench) surface treatment enhances wear resistance while maintaining stable thermal performance.
Designed without ventilation cutouts, the structure improves rigidity and delivers consistent power transfer for daily riding and mild performance tuning.

🔹 Highlights

• Internal Groove Pattern — Enhances bite and clutch shoe engagement

• QPQ Surface Treatment — Superior wear resistance and smooth rotation

• Lightweight Structure (520 g) — Improves response and reduces rotational load

• No Vent Cutouts — Increased shell rigidity and stable performance

• OEM-Compatible Fitment — Designed specifically for RS100 clutch systems

✔ Product Specifications

• Type: QPQ Light Weight Clutch Bell

• Outer Diameter: 123.5 mm

• Inner Diameter: 112 mm

• Weight: 520 g

• Fitment: RS100

• Focus: Enhanced bite strength & rotational efficiency

• Package Includes: Clutch Bell ×1

🔧 Installation Notes

• Ensure proper clutch shoe surface condition before installation

• Check clearance between clutch bell and housing

• Recommended to inspect clutch springs for best performance

• Break-in period required for optimal groove engagement

Power You Can Trust.

Quicker Engagement. Reduced Rotational Load. Smooth Daily Performance.

This Light Weight Clutch for RS100 features a compact 106.5 mm outer diameter and a reduced 720 g total weight, designed to improve throttle response and provide faster clutch engagement. The lighter rotating mass enhances takeoff performance, reduces lag, and maintains stable power transfer during repeated acceleration.
Ideal for daily riding, city use, and mild performance upgrades.

🔹 Highlights

• Lightweight 720 g Structure — Faster clutch engagement and reduced drag

• Compact 106.5 mm Design — Efficient rotation and improved response

• Smooth Power Delivery — More stable engagement under load

• Enhanced Takeoff Performance — Reduces slipping during acceleration

• OEM-Compatible Fitment — Direct fit for RS100 clutch systems

✔ Product Specifications

• Type: Light Weight Clutch

• Outer Diameter: 106.5 mm

• Weight: 720 g

• Fitment: RS100

• Focus: Faster engagement & improved throttle response

• Package Includes: Clutch Assembly ×1

🔧 Installation Notes

• Ensure clutch bell inner surface is in good condition

• Recommended to inspect springs for optimal engagement

• For best results, pair with a stable clutch bell

• Allow short break-in period for consistent grip

Power You Can Trust.

Smoother shifts, steadier backshift in a compact 122 mm set.

This Sliding Sheave Set (movable + fixed) is built for RS 100 CVT systems. Guided sliding tracks and a true-running face help the belt climb cleanly and return ratio promptly under load. The machined hubs align with OEM geometry for reliable fitment, while the broad face area supports heat management during stop-and-go riding.

Highlights
🔹 Predictable Shift Curve — Guided sliding path supports smooth upshift and timely backshift.
🔹 Stable Belt Tracking — Face geometry helps reduce slip and glazing.
🔹 Concentric, True Running — Machined hubs/bores promote straight, low-friction travel.
🔹 Cooling Support — Face finish and area aid heat dissipation to protect belt life.
🔹 Tuning-Friendly — Works with common contra springs and belts to target RPM and load.

Product Specifications
✔ Outer Diameter: 122 mm
✔ Weight: 745 g
✔ Type: Sliding Sheave Set (movable + fixed)
✔ Fitment: RS 100
✔ Focus: Shift smoothness / backshift stability / belt longevity
✔ Package Includes: Movable Sheave ×1, Fixed Sheave ×1

Installation Notes

• Verify compatibility with belt width, clutch assembly, and cover clearance before installation.

• Keep sheave faces clean and dry; do not grease belt contact surfaces.

• Set contra spring rate to match target engagement/backshift; recheck roller weights.

• After assembly, rotate by hand to confirm free travel; road-test and inspect for abnormal wear.

Power You Can Trust.

Consistent balance. Smooth transmission. OEM-fit quality.

These Roller Weights for YAMAHA RS 100 are precision-made in size 15×12L, available in 3 g to 12 g, and sold as a set of 6 pcs. Built from durable, wear-resistant material, they ensure stable CVT operation and smooth throttle response. Ideal for regular maintenance or light tuning while keeping OEM fit and reliability.

Highlights

• 3 g ~ 12 g Range — Fine-tune acceleration and top speed.

• 15×12L Size — Direct-fit for RS 100 variators.

• Durable Composition — Reduces wear and deformation.

• Stable CVT Operation — Smooth, predictable performance.

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

Product Specifications
✔ Type: Roller Weights (Standard)
✔ Dimensions: 15×12L
✔ Weight Range: 3 g ~ 12 g
✔ Fitment: YAMAHA RS 100
✔ Package Includes: Roller Weights ×6

Installation Notes

• Select roller weight to balance acceleration and top speed.

• Replace all 6 pcs together for consistent wear.

• Confirm variator size before installation.

• Lightly lubricate variator tracks for smoother motion.

Power You Can Trust.

Superior durability. Smoother CVT response. Premium upgrade.

These A+ Roller Weights for YAMAHA RS 100 are precision-engineered in size 15×12L, available in 3 g to 12 g, and sold as a set of 6 pcs. Compared with standard rollers, the A+ version offers greater wear resistance, smoother movement, and extended service life, providing consistent CVT performance and enhanced throttle response for everyday or tuned setups.

Highlights

• Premium Composition — Upgraded material for higher durability.

• 3 g ~ 12 g Options — Adjust acceleration and top speed balance.

• 15×12L Size — OEM-fit for RS 100 variators.

• Smooth CVT Engagement — Reduces vibration and wear.

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

Product Specifications
✔ Type: A+ Roller Weights (Premium)
✔ Dimensions: 15×12L
✔ Weight Range: 3 g ~ 12 g
✔ Fitment: YAMAHA RS 100
✔ Package Includes: A+ Roller Weights ×6

Installation Notes

• Choose roller weight according to your performance preference.

• Replace all 6 pcs at once to maintain balance.

• Confirm proper variator size before installation.

• Apply light lubrication to roller tracks for smoother operation.

Power You Can Trust.

Adjust Engagement. Tune Response. Unlock Smooth Acceleration.

The Clutch Spring Set for YAMAHA RS100 allows precise control of clutch engagement RPM for better acceleration and smoother takeoff. Available in three tension levels — Blue (1000RPM), Yellow (1500RPM), and Red (2000RPM) — each spring provides a unique response to match your riding style or tuning setup. Designed for consistent performance and durability, each set includes 3 springs for a complete clutch upgrade.

🔹 Highlights

• Three RPM Options — 1000 / 1500 / 2000 for adjustable engagement points

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

• Enhanced Throttle Response — Improves acceleration and clutch bite timing

• Durable Spring Steel — Maintains tension and stability under high temperature

• Complete Set — Includes 3 springs for one clutch assembly

✔ Product Specifications

• Type: Clutch Spring Set

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

• Fitment: YAMAHA RS100

• Focus: Adjustable clutch engagement & response tuning

• Package Includes: Clutch Springs ×3

🔧 Installation Notes

• Select spring tension based on desired clutch engagement RPM

• Install all 3 springs of the same color for balanced performance

• Recommended for both OEM and modified clutch setups

• Recheck spring position and tension after installation

Power You Can Trust.

Stable Belt Pressure. Smooth Shifting. Adjustable Acceleration Response.

The Driven Spring for YAMAHA RS100 is designed for riders who demand precise CVT tuning and consistent performance. Available in four tension levels — Blue (1000RPM), Orange (1200RPM), Yellow (1500RPM), and Red (2000RPM) — this center spring adjusts pulley reaction force to fine-tune acceleration and backshift speed. Made from durable heat-treated steel, it provides stable tension and long-lasting elasticity for both street and performance setups.

🔹 Highlights

• Four RPM Options — 1000 / 1200 / 1500 / 2000 for precise CVT response tuning

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

• Enhanced Belt Grip — Maintains consistent drive belt pressure under load

• Smooth Downshift Control — Improves throttle recovery and speed transition

• Heat-Treated Spring Steel — Ensures lasting durability and performance stability

✔ Product Specifications

• Type: Driven Spring (Center Spring)

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

• Fitment: YAMAHA RS100

• Focus: CVT tuning & acceleration balance

• Package Includes: Driven Spring ×1

🔧 Installation Notes

• Choose spring tension based on desired acceleration and backshift response

• Higher RPM springs increase takeoff force and engine braking effect

• Compatible with OEM or modified CVT systems

• Verify spring preload alignment during assembly

Power You Can Trust.

Reinforced Alloy Structure. Stable Pressure. Built for High-Temperature Performance.

This Alloy Driven Spring for YAMAHA RS100 offers improved durability and consistent belt tension for high-performance CVT setups. Constructed from a reinforced alloy-steel blend, it maintains stable elasticity and reaction speed under heat and continuous use. Available in 1000 / 1200 / 1500 / 2000 RPM specifications, this single-color black spring provides precise tuning for both daily riding and performance builds.

🔹 Highlights

• Four RPM Options — 1000 / 1200 / 1500 / 2000 for refined transmission tuning

• Reinforced Alloy Composition — Improved heat resistance and tension stability

• Consistent CVT Response — Maintains belt pressure during acceleration and deceleration

• High Elastic Recovery — Prevents performance loss under repeated stress

• All-Black Finish — Sleek and professional look for performance applications

✔ Product Specifications

• Type: Alloy Driven Spring (Center Spring)

• RPM Rating: 1000 / 1200 / 1500 / 2000

• Color: Black

• Fitment: YAMAHA RS100

• Focus: High-temperature durability & CVT balance

• Package Includes: Alloy Driven Spring ×1

🔧 Installation Notes

• Select desired spring rate according to tuning setup

• Suitable for OEM or upgraded CVT systems

• Higher RPM springs increase acceleration response and backshift control

• Verify preload and seating alignment during installation

Power You Can Trust.