• T8F 14-Tooth Transmission Gearbox for 33cc–49cc 2-Stroke Mini ATV & Pocket Bike - goofitmoto
  • T8F 14-Tooth Transmission Gearbox for 33cc–49cc 2-Stroke Mini ATV & Pocket Bike - goofitmoto
  • T8F 14-Tooth Transmission Gearbox for 33cc–49cc 2-Stroke Mini ATV & Pocket Bike - goofitmoto
  • T8F 14-Tooth Transmission Gearbox for 33cc–49cc 2-Stroke Mini ATV & Pocket Bike - goofitmoto
  • T8F 14-Tooth Transmission Gearbox for 33cc–49cc 2-Stroke Mini ATV & Pocket Bike - goofitmoto
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GOOFIT

T8F 14-Tooth Transmission Gearbox for 33cc–49cc 2-Stroke Mini ATV & Pocket Bike

T8F 14-Tooth Transmission Gearbox for 33cc–49cc 2-Stroke Mini ATV & Pocket Bike

$33.99
$33.99
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Product Overview

Boost the top-end performance of your mini-machine with this T8F 14-Tooth Sprocket Gearbox. Specifically engineered for 2-stroke engines (33cc–49cc), this gearbox acts as a crucial reduction unit that translates engine RPM into smooth, usable power. The 14-tooth configuration is designed to allow for higher top speeds and more fluid acceleration compared to standard gearboxes. Constructed from a lightweight yet durable aluminum alloy, it provides a stable mounting platform for your T8F chain, ensuring your pocket bike or mini-quad handles high-speed runs with ease.

Product Compatibility

Component Type Specification
Engine Type 2-Stroke (Air-Cooled)
Displacement 33cc, 34cc, 47cc, 49cc
Chain Type T8F Only (8mm pitch)
Vehicle Types Pocket Bikes, Mini Dirt Bikes, Mini ATVs, Buggies, Go-Karts
Engine Fitment Common on "Pocket Rocket" style mini-motors

Specifications

Feature Details
Tooth Count 14-Tooth Sprocket
Chain System Single Chain Drive
Total Length 19.7cm (7.57")
Mounting Hole Pitch 70mm (2.75") center-to-center
Material High-Grade Aluminum Alloy

Key Features

  • Higher Speed Potential: The 14-tooth sprocket is optimized to extract more speed from your small-displacement engine, making it an ideal upgrade for riders looking for a faster top end.
  • Smoother Acceleration: Engineered to provide a consistent gear ratio that reduces "jerky" starts, resulting in a more controlled and comfortable riding experience.
  • Lightweight Aluminum Housing: The gearbox body is made from premium aluminum alloy, which offers excellent heat dissipation and reduces the overall weight of the drivetrain.
  • Precision T8F Compatibility: Specifically machined to bite perfectly into T8F chains, significantly reducing the risk of chain slipping or jumping during high-RPM operation.
  • Standardized Mounting: Featuring a universal 70mm hole distance, this gearbox is a direct bolt-on replacement for most stock units on Chinese-manufactured mini-ATVs and pocket bikes.
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Fitment FAQ

Will this part fit my specific model and year?

This gearbox assembly is intended for 33cc–49cc 2-Stroke Mini ATV & Pocket Bike. Key physical/spec details from the product data include Tooth Count: 14-Tooth Sprocket, 14-Tooth Sprocket, Total Length: 19.7cm (7.57"). Use the compatibility table and product photos together before ordering.

Do I need to match the OEM part number?

Yes. If your original part has a stamped OEM or manufacturer number, match that number first before ordering. For this gearbox assembly, also compare the chain size, tooth count, shaft diameter, case style, sprocket alignment, and 2-stroke/4-stroke engine type.

What models or situations does this part not fit?

Do not order this gearbox assembly for machines outside the listed compatibility, or for units with different chain sizes, shaft diameters, tooth counts, sprocket alignment, or case styles. Do not rely only on the model name or engine size.

What should I check before ordering?

Before ordering, compare your original part with the photos and check the chain size, tooth count, shaft diameter, case style, sprocket alignment, and 2-stroke/4-stroke engine type. Recheck listed specs such as Tooth Count: 14-Tooth Sprocket, 14-Tooth Sprocket, Total Length: 19.7cm (7.57"). If any connector, mounting point, size, or year detail is different, confirm fitment before installation.