CVT Torque Converter 30 Series Mini Bike Clutch - Replacement

In this review the CVT Torque Converter 30 Series clutch is evaluated as a practical replacement for builders restoring small vehicles and go karts that use a 1' straight crankshaft. The bottom line: it is best for hobbyists and DIY mechanics who need a complete, budget-friendly torque converter kit that includes multiple sprockets and three belts. The reviewer found the unit offers clear value through durable iron and aluminum construction and useful extras, while noting fit can vary by engine model so confirmation of shaft size is essential before purchase.

Key Features

• Direct replacement compatibility: Designed to replace Comet TAV2, 218354A, 203603A, 219456A, 218355A and related Comet Manco parts, which simplifies part selection for compatible go karts and mini bikes.
• Complete kit: Delivered with two sprockets (10T and 12T), a built-in jackshaft with sprocket, an aluminum engine mount plate and full mounting hardware so most parts are ready to install.
• Belt supply: Ships with three belts sized for a 6-15/16 to 7' center distance, plus two extra belts for spares so replacement belts are on hand after initial fitting.
• Material quality: Main components use iron and aluminum construction to provide strength, wear resistance and improved heat handling during extended use.
• Engine range: Fits engines with a 1' straight crankshaft and is suitable for 2HP to 7HP (max 8HP), covering a wide range of small engine projects.

Who It's For

This kit is aimed at DIY mechanics, go kart and mini bike enthusiasts, and small vehicle restorers who need a drop-in style CVT replacement that includes belts, sprockets and mounting hardware. It suits projects where confirmed shaft diameter and engagement RPM range of roughly 2350-200 RPM are acceptable.

Those with nonstandard crankshafts, 212 cc motors, or who require exact factory fitment without modification should look elsewhere or verify shaft and spacing before buying. Professional shops seeking OEM original parts for a specific model may prefer a factory-number match.

Pros & Cons

Pros

• Good value: the kit bundles belts, sprockets and hardware that save time sourcing separate parts.
• Quality feel: iron and aluminum components lend durability and resist wear under normal small-engine loads.
• Ease of assembly: most parts arrive preassembled, which speeds installation for hobbyists.

Cons

• Fit can be mixed: some buyers report it does not fit certain 212-style motors, so size confirmation is important.
• Belt durability: a few users experienced belt breakage under heavy use, indicating belts may need inspection or replacement for high-load applications.

Specifications

Compatibility	Comet TAV2, 218354A, 203603A, 219456A, 218355A, 219554A
Crankshaft Bore	1' straight crankshaft
Engine Power Range	2HP to 7HP (max 8HP)
Belts	Length 27.76' (70.5cm), width 3/4' (1.9cm); 3 belts included plus 2 spares
Sprockets	10 tooth for #40/#41/#420 chain and 12 tooth for #35 chain
Driven Unit Diameter	Approximately 6' (5/8' driven pulley)
Mounting	Aluminum engine mount plate with full hardware and built-in jackshaft

Our Verdict

The CVT Torque Converter 30 Series clutch is a sensible, value-focused choice for hobbyists needing a mostly complete replacement for Comet-style torque converters. It combines sturdy materials, useful spare belts and sprockets and a mostly assembled kit that simplifies installation. Confirm shaft diameter and intended engine fit prior to buying, but for compatible projects this kit delivers functional performance at a reasonable price.

Frequently Asked Questions

Will this fit my engine?
It fits engines with a 1' straight crankshaft; buyers should measure their crankshaft and confirm compatibility before purchase.

Are belts included?
Yes, the kit includes three belts plus two extra belts for spare supplies; ensure the arrow-marked belt end faces down during installation.

Does it include chain?
The kit includes 10T and 12T sprockets and a built-in jackshaft with sprocket, but chain is not included.