Drive Pulley
- Brand: Mortch Motor
- Product Code: MILH1BX-17650-00
- Product Viewed: 7
- Availability: In Stock
- Weight: 3.73kg
US$283.39
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🔧 Linhai Drive Pulley Assembly
📦 Part Number: 38100 / 1BX-17650-00
⚙️ CVT Drive Pulley Assembly · OEM Specification
📍 Installation Position: CVT Transmission · Drive Side (Engine Side)
✅ Precision Manufactured · Wear Resistant · Fits Linhai 570cc Series Models
This product is a Linhai OEM-spec drive pulley assembly (CVT drive pulley assembly), part number 38100 / 1BX-17650-00. This assembly is the core driving component of the CVT transmission, installed on the engine crankshaft, responsible for transferring engine power to the driven pulley via the drive belt. Manufactured from high-strength wear-resistant materials with precision machining and dynamic balancing, it ensures smooth power transfer, minimal power loss, and long service life.
Over time, the drive pulley may experience wear on the sliding sheave, roller wear, or spring fatigue, leading to poor acceleration, belt slipping, jerky takeoff, or unusual noise. Timely replacement of a worn drive pulley assembly is essential to restore vehicle performance and ensure a smooth riding experience.
✅ Genuine Quality Assurance: Manufactured strictly to Linhai original technical standards. Dimensions and clearances are identical to the original part, ensuring a perfect replacement.
This drive pulley assembly (38100 / 1BX-17650-00) fits the following Linhai models:
- Linhai M565LT T3b
- Linhai M565LT E4
- Linhai 570 PROMAX E5
- Linhai 570 PROMAX E5 / 570 PROMAX E4
- Linhai M570L E4 / M570L E5
- Linhai 570 PROMAX T3
📌 Fitment Note: This drive pulley assembly fits the Linhai 570cc series models listed above, covering T3b, E4, E5 emissions standards and M565LT, M570L, 570 PROMAX variants. If your specific model is not listed, please contact customer service with your VIN for confirmation.
- ✅ OEM Specification: Manufactured strictly to Linhai original technical standards; dimensions are identical to the original part.
- 🛡️ Premium Wear-Resistant Material: Made from high-strength wear-resistant alloy for excellent durability of sliding sheaves and rollers.
- ⚙️ Precision Dynamic Balancing: The pulley assembly is dynamically balanced for smooth high-speed operation and reduced vibration.
- 🔧 Complete Assembly: Includes drive sheave, sliding sheave, rollers, springs, and all necessary components for a one-time replacement.
- 🔩 Direct Replacement: Directly replaces worn, slipping, or damaged original drive pulley assemblies.
- ⚡ Restores Performance: Effectively resolves poor acceleration, jerky takeoff, and belt slipping issues.
• Jerky or shuddering feeling during takeoff.
• Poor acceleration — engine RPM rises but vehicle speed increases slowly (belt slipping).
• Unusual noise or rubbing sound from the CVT housing.
• Inspection reveals worn sliding sheave, roller wear, or spring fatigue.
• High mileage with drive pulley reaching end of service life.
If any of these symptoms occur, please inspect and replace the drive pulley assembly promptly.
1. Ensure the vehicle is off and cooled down before removing the CVT cover.
2. Remove the old drive pulley, noting the position of washers and spacers.
3. Inspect the crankshaft splines for damage and clean mounting surfaces.
4. Install the new drive pulley assembly and tighten the retaining nut to factory torque specifications.
5. Install the CVT belt, ensuring correct positioning between drive and driven pulleys.
6. After installation, manually rotate the drive pulley to verify smooth operation.
7. Start the vehicle and check that the CVT operates normally.
Professional installation is recommended.
- Please verify that this part fits your specific vehicle model and year. Many vehicles share similar names but use different components depending on year or market region.
- We strongly recommend cross-checking with your vehicle's owner's manual or contacting us for confirmation before placing your order.
- Product images, measurements, and descriptions are for reference only. Slight variations in color or appearance may occur due to manufacturing batches or photography lighting—functional specifications remain identical to the ordered part.
- Professional installation is mandatory. Mortch Motor assumes no liability for damages, injuries, or losses resulting from improper installation, misuse, unauthorized modification, or abnormal operation.
- All listed prices EXCLUDE shipping costs, import duties, taxes, and customs clearance fees. These charges (if applicable) are determined and collected by your local customs authority and are solely the buyer's responsibility.
- In case of return due to unpaid duties/taxes or refusal to clear customs, the buyer shall bear the original shipping cost, return shipping fees, and any associated administrative charges deducted from the refund.





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