JOG 50 Transmission Parts
JOG 50 Variator Pulley
Lightweight Performance • Quick Response • Reliable Fit
⚙️ Compact and responsive for daily city riding.
This JOG 50 Variator Pulley Set features a lightweight design that enhances throttle response and acceleration for small-displacement scooters. Engineered for smooth belt operation and stable performance, it’s ideal for both daily use and light tuning upgrades.
🔹 Pulley outer diameter: 100mm
🔹 Center bore: 18mm
🔹 Includes ramp plate (roller guide)
🔹 Tailored for JOG 50 models – Consistent performance in urban settings
Upgrade your JOG 50 with a variator that delivers light, responsive, and reliable transmission.
JOG 50 Aluminum Pulley Fan
Lightweight Aluminum • Stylish Colors • 93mm Diameter
🌪️ Cooling meets customization.
This aluminum fan blade for JOG 50 is engineered for durability, heat resistance, and stable airflow. Weighing only 94g, it minimizes rotational load while promoting efficient CVT cooling. Available in silver, blue, yellow, and red, it’s the perfect combination of performance and style for daily riders and tuning enthusiasts.
🔹 Outer diameter: 93mm
🔹 Weight: 94g
🔹 Material: Aluminum alloy – Heat resistant & lightweight
🔹 Color options: Silver / Blue / Yellow / Red
🔹 Compatible with JOG 50 – Plug-and-play installation
Upgrade your JOG 50 with a cooling fan that keeps things cool and looks even cooler.
JOG 50 Variator Pulley Set
Longer belt travel. Smoother shift curve. Better heat control.
This Variator Kit for Yamaha JOG 50 combines a 100 mm drive pulley (14° face) with a matched ramp plate and an oversize 100 mm cooling fan. The larger working diameter increases effective belt travel for a wider ratio range, while the face geometry supports a predictable shift and steady mid-range. The fan’s spacerless hub simplifies assembly and helps keep temperatures consistent in stop-and-go riding.
Highlights
100 mm Oversize Pulley — Extends belt climb for broader ratio coverage and cleaner launches.
14° Face Geometry — Targets linear, repeatable shifting with stable belt contact.
100 mm Cooling Fan (Spacerless) — More airflow, steadier temps, no washer/spacer needed.
OEM-Fit Interfaces — ID 18 mm bore and ramp profile align with stock hardware.
Tuning-Friendly — Works with common roller weights and belts to hit your RPM band.
Product Specifications
✔ Pulley OD / ID: 100 mm / 18 mm
✔ Pulley Face Angle: 14°
✔ Fan OD: 100 mm (spacerless hub)
✔ Total Kit Weight: 415 g
✔ Type: Variator Pulley + Ramp Plate + Oversize Cooling Fan
✔ Fitment: Yamaha JOG 50
✔ Package Includes: Drive Pulley ×1, Ramp Plate ×1, Oversize Fan ×1
Installation Notes
Verify cover clearance for the 100 mm pulley/fan and confirm belt width/length; note ID 18 mm crank fit.
Start with current roller weights; adjust in ±0.5–1.0 g steps to reach target RPM.
Keep pulley faces clean and dry; follow service manual on ramp-plate lubrication (do not grease belt contact areas).
Torque the variator nut to spec; hand-rotate to confirm no rubbing, then road-test and inspect belt climb marks.
Power You Can Trust.
JOG 50 Oversized Pulley Fan
More air. Lower temps. Simpler install.
This Oversize Cooling Fan for Yamaha JOG 50 increases airflow through the CVT cover to help steady belt and sheave temperatures in stop-and-go riding. The 100 mm diameter boosts throughput, and the spacerless hub sets stack height correctly for clean, wobble-free running—no washer/spacer needed.
Highlights
100 mm Oversize Airflow — Larger sweep area circulates more fresh air through the CVT compartment.
Heat & Glazing Control — Supports belt life and shift consistency during repeated launches.
Spacerless Hub — Direct fit with correct stack height; eliminates washer/spacer.
Rigid, Balanced Build — Helps maintain shape at temperature for smooth rotation.
Daily to Light-Performance — Designed to keep feel consistent on commutes and hill climbs.
Product Specifications
✔ Outer Diameter: 100 mm
✔ Weight: 120 g
✔ Type: CVT front cooling fan
✔ Fitment: Yamaha JOG 50
✔ Package Includes: Oversize Cooling Fan ×1 (no spacer required)
Upgrade note: replaces the previous Ø93 mm aluminum fan (~94 g) that required a washer/spacer.
Installation Notes
Match blade rotation/orientation to OEM so the fan draws air correctly.
Verify cover clearance for 100 mm OD and confirm belt line alignment.
Torque the variator nut to spec; hand-rotate to ensure no rubbing.
After the first ride, inspect for contact marks and recheck fastener torque.
Power You Can Trust.
JOG 50 Light Weight Clutch
Quick Engagement • 106mm Outer Diameter • Only 440g
⚙️ Designed for smooth takeoff and efficient city riding.
This JOG 50 Lightweight Clutch delivers faster engagement and improved throttle response thanks to its 440g low-mass construction. The 106mm diameter makes it ideal for small-displacement scooters, reducing rotational inertia while maintaining consistent grip. A perfect upgrade for urban commuting or light tuning.
🔹 Outer diameter: 106mm
🔹 Weight: 440g
🔹 Fast engagement & low inertia – Improves acceleration
🔹 Engineered for JOG 50 – Reliable fit and function
Upgrade your JOG 50 with a lightweight clutch built for smoother starts and sharper power delivery.
JOG 50 2D Clutch Bell
Lightweight shell, clean bite, cooler stops.
This 2D Clutch Bell for Yamaha JOG 50 focuses on airflow and consistent engagement. The inner matte-textured surface promotes predictable pad bite, while enlarged front cutouts and side dust-release holes help move heat and eject debris for steadier feel in stop-and-go riding.
Highlights
🔹 Textured Inner Face — Matte finish supports clean, repeatable engagement.
🔹 Airflow-Oriented Cutouts — Front openings help evacuate heat.
🔹 Side Dust-Release Holes — Eject clutch dust to reduce glazing.
🔹 OEM-Fit Interfaces — Drop-in alignment with stock hardware.
🔹 Everyday to Light Tuning — Suits city riding and mild CVT setups.
Product Specifications
✔ Outer / Inner Diameter: 119.5 mm / 111.5 mm
✔ Weight: 410 g
✔ Material: Steel
✔ Fitment: Yamaha JOG 50 (also shared with JOG 90 / RS 100; confirm year/variant)
✔ Focus: Consistent bite / heat & dust management
✔ Package Includes: Clutch Bell ×1
Installation Notes
Confirm OD/ID with clutch shoes and cover clearance.
Inspect shoes and small springs; replace if worn or heat-cracked.
After installation, gentle run-in; check for noise/vibration and even contact.
Pair with healthy belt/rollers; overall CVT condition affects results.
Power You Can Trust.
JOG 50 Sliding Sheave Set
Precise Belt Tracking • 115mm Diameter • 685g Weight
🛠️ Built for balance, acceleration, and reliability.
This JOG 50 sliding sheave offers stable torque conversion and smoother power transmission, thanks to its balanced 685g construction and precision-cut 115mm diameter. Engineered for efficient belt tracking and consistent performance, it’s the ideal upgrade for stock replacement or pairing with high-performance CVT components.
🔹 Outer diameter: 115mm
🔹 Weight: 685g
🔹 Stable shifting performance – Smooth acceleration and power delivery
🔹 Designed for JOG 50 CVT systems – Compatible with OEM or tuned setups
Upgrade your JOG 50 with a torque driver that ensures steady belt movement and responsive CVT control.
JOG 50 Clutch Spring
Set your take-off RPM to match your ride.
These Clutch Springs let you fine-tune clutch engagement on Yamaha JOG 50. Choose from four color-coded rates to decide how early or late the clutch bites. Higher rates typically raise engagement RPM for snappier launches (after proper CVT tuning), while lower rates suit relaxed city take-offs.
Highlights
🔹 4 Selectable Rates — 1000 / 1200 / 1500 / 2000 RPM cover daily to sport setups.
🔹 Color-Coded — Blue / Orange / Yellow / Red for quick identification.
🔹 Consistent Response — Matched spring rates support predictable take-off feel.
🔹 Tuning Friendly — Pair with roller weights and contra spring to hit your RPM band.
🔹 Direct OEM Fit — Designed for JOG 50 automatic centrifugal clutches.
Product Specifications
✔ Rates & Colors: 1000 (Blue) / 1200 (Orange) / 1500 (Yellow) / 2000 (Red)
✔ Quantity: 3 pcs / set
✔ Type: Clutch shoe springs (automatic centrifugal clutch)
✔ Fitment: Yamaha JOG 50
✔ Focus: Engagement RPM control / launch feel
✔ Package Includes: Clutch Springs ×3
Installation Notes
Replace all three springs together; do not mix different rates in one clutch.
Actual engagement RPM varies with rollers, contra spring, shoes, bell, and tach reading.
Use a proper spring tool; confirm hook seating and free movement after assembly.
Road-test, then recheck for creeping, slip, or noise and fine-tune as needed.
Power You Can Trust.
JOG 50 Transmission Gear
3 Gear Ratio Options • Better Pull & CVT Balance
⚙️ Fine-tune your torque, boost your response.
This transmission gear set for JOG 50 offers three different gear ratio options — 13x34T, 14x32T, 15x31T — allowing you to optimize acceleration and mid-range power delivery. Whether you want a quicker launch or smoother gear engagement, this gear set is ideal for riders using variator upgrades, big bore kits, or racing setups.
🔹 Gear ratio options: 13x34T / 14x32T / 15x31T
🔹 Enhanced acceleration and CVT efficiency
🔹 Perfect for tuned or stock JOG 50 engines
🔹 Durable build for long-lasting performance
Video: https://youtu.be/_lPQiepHlmA
Upgrade your JOG 50 with a transmission gear that lets you control how your power feels.