- Reliable Power Transfer: Replace a worn drive belt to help restore dependable power delivery, acceleration, and climbing performance on compatible mini bikes.
- Reinforced Construction: Features high-tensile aramid cords designed to resist stretching under demanding torque loads.
- Heat-Resistant Rubber: Made with a high-grade rubber compound designed for the operating demands of 30 Series torque converters.
- 30 Series Compatibility: Features an asymmetric profile designed for compatible Comet-style 30 Series driver and driven pulleys.
- Flexible Cogged Design: The cogged inner surface supports belt flexibility as the torque converter changes ratios.
- Replacement Compatibility: Replaces belt references 203590, 203590A, 203590B, and 203590C in compatible systems.
- Versatile Applications: Suitable for compatible Coleman Powersports, TrailMaster, Massimo, Baja, and custom mini bike builds when the converter setup matches the belt specifications.
Technical Specifications
- Brand: Universal Parts
- Part Number: 106-140
- Manufacturer Part Number (MPN): 203590
- Belt Designation: 736-19-19
- Nominal Length: 736 mm (approximately 29 inches)
- Top Width: 19 mm (approximately 3/4 inch)
- Profile: Asymmetric, 30 Series
- Construction: Fiber-reinforced rubber with aramid cords
- Inner Surface: Cogged
- Quantity: 1 drive belt
Compatible Applications
- Coleman Powersports: CT200U-EX, BT200X, and CT200U with a compatible TAV/30 Series conversion kit.
- TrailMaster: MB200-2 and Storm 200 with a matching 30 Series torque converter.
- Massimo / Baja: Warrior, MB200, and MB165 with a compatible 30 Series converter installation.
- Custom Mini Bike Builds: Predator 212, Honda GX200, and Tillotson 212 engine setups using a matching 30 Series torque converter.
Installation and Fitment Notes
- Confirm belt designation, pulley sizes, alignment, and center distance before ordering.
- Engine displacement or mini bike model alone does not guarantee compatibility.
- Install the asymmetric belt in the orientation specified by the torque-converter manufacturer.
- Check pulley alignment and remove accumulated belt dust before installation.
- Keep belt and pulley contact surfaces clean and dry.






















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