Best Clutch Kit For Go Kart: Compare 10 Go-Kart Options

#1 · Best Overall

1. SEHNSUCHT 12T Clutch

• Weight: 3.61 lb
• Package Dimensions: 4.53 x 4.41 x 3.23 in

Best for: 12-tooth clutch with chain.

Why it ranks #1: The 3/4-inch bore, 12-tooth sprocket and included four-foot #35 chain make it a practical direct clutch kit for common 2–6.5 HP engines.

A four-foot #35 chain comes with this 12-tooth centrifugal clutch, giving kart builders a matched chain-and-clutch starting point rather than requiring a separate chain purchase. Its 3/4-inch bore targets common small-engine shafts, and the listed 2300±300 RPM engagement range helps identify its operating threshold.

The 3/4-inch bore and compatibility list covering Predator 212, Honda GX and GC engines, and several Harbor Freight engines make the intended small-engine fit clear, provided the crankshaft measures 3/4 inch. A 12-tooth sprocket pairs with the included four-foot #35 chain, useful when assembling a #35-chain drivetrain. Before installation, oil the bronze bushing only; the supplied guidance says this can be done without dismantling the clutch, while ventilation holes should stay dry.

Skip it if you need a 10-tooth sprocket for #40/41/420 chain; Vashly 10T supports that chain size.

Choose this for a 3/4-inch-shaft kart using #35 chain and a compatible 2–6.5 HP engine. Its included chain simplifies that drivetrain setup, but the 20mm generator aperture is explicitly outside its fit.

Listed on Amazon as: Go Kart Clutch 3/4 Bore 12T with #35 Chain, for Predator 212 Centrifugal Clutch Compatible with Honda GX160, GX200, GX140, GX120, GC160, GC190, Harbor Freight, Briggs and Stratton Tecumseh

#2 · Best #35 Chain Kit

2. TadaMark 12T Clutch

• Weight: 3.63 lb
• Package Dimensions: 7.76 x 4.53 x 3.27 in

Best for: 12T clutch with four-foot chain.

Why it ranks #2: It includes four feet of #35 chain, fits a 3/4-inch shaft and lists an engagement speed of 2300±300 RPM.

Four feet of #35 chain accompanies this 12-tooth centrifugal clutch, giving a kart owner a useful chain-and-clutch combination for a compatible drivetrain. The 3/4-inch bore and stated 2300±300 RPM engagement range identify its intended small-engine fit and operating threshold.

The 3/4-inch bore is intended for a matching shaft, and the listing explicitly warns that a 20mm, 0.787-inch bore is not compatible. The 12-tooth sprocket pairs with the included four feet of #35 chain, helping supply the basic chain connection for a replacement. Its 2–6.5 HP compatibility list names Honda, Tecumseh, and Briggs & Stratton engines. Before installation, the provided guidance calls for oil at a specific position to support unobstructed rotation.

Skip it if you need a 10T clutch for #40/41/420 chain; Vashly's 10T model is specified for those chain sizes.

A practical option for a 2–6.5 HP kart engine with a 3/4-inch shaft and a #35-chain drivetrain. Its included chain supports setup, while the explicit 20mm exclusion makes shaft measurement essential.

Listed on Amazon as: Go Kart Clutch 3/4" Bore 12T with #35 Chain, for 2-6.5HP Engine

#3

3. GYMMEDS 12T Clutch

• Weight: 3.65 lb
• Package Dimensions: 4.53 x 4.45 x 3.27 in

Best for: 12T clutch for 3/4-inch shafts.

Why it ranks #3: Its 12-tooth clutch suits #35 chain and lists Predator 212 and Honda GX engine compatibility, but an included chain is not specified.

A 12-tooth sprocket paired with #35-chain compatibility gives this centrifugal clutch a clear role in common kart and minibike drivetrains. Its 3/4-inch bore and 3/16-inch keyway target specified small-engine crankshafts, while the listed Predator 212 and Honda GX/GC compatibility helps narrow engine selection.

The 3/4-inch bore and 3/16-inch keyway are the key fit measurements for the crankshaft, and the listing names Predator 212, Honda GX/GC, and other 2–6.5 HP engines. The 12-tooth sprocket is for a #35-chain arrangement, making chain-size matching important before assembly. The product guidance says to oil the centrifugal clutch before use and to check crankshaft size before ordering, which makes lubrication and measurement part of the installation workflow.

Skip it if you need #40/41/420 chain compatibility; KRGUOD's 10T clutch is specified for those chain sizes.

Pick this for a compatible 3/4-inch keyed shaft and a #35-chain kart or minibike drivetrain. Its broad engine list helps with small-engine selection, but the chain is not listed among the supplied components.

Listed on Amazon as: Go Kart Clutch 3/4" Bore 12 Tooth with #35 Chain, Centrifugal Clutch for Predator 212, Honda GC GX Engines and Most 2-6.5HP Small Engines performance Parts for MiniBike, Go Kart, Lawnmower.

#4 · Best 10T #40/41/420

4. KRGUOD 10T Clutch

• Weight: 4.24 lb
• Package Dimensions: 4.92 x 4.76 x 3.31 in

Best for: 10T clutch for heavier chain.

Why it ranks #4: The 10-tooth sprocket is specified for #40, #41 or 420 chain, and the clutch is listed for 3/4-inch shafts and engines up to 6.6 HP.

A 10-tooth sprocket for #40, #41, or 420 chain distinguishes this centrifugal clutch from #35-chain alternatives, giving builders a direct option for those drivetrain sizes. The 3/4-inch bore and 3/16-inch keyway specification target listed Predator and Honda-clone small engines.

The clutch is specified for a 3/4-inch crankshaft with a 3/16-inch keyway, while its 10-tooth sprocket supports #40/41/420 chain. Matching both the shaft and chain helps keep the replacement aligned with the existing kart drivetrain. Its compatibility list includes Predator 212 and Honda GC/GX engines in the 2–6.5 HP range, with a stated 2300 RPM operating figure. The listing also names Baja minibike models among intended applications.

Skip it if you run #35 chain and need a matching clutch; GYMMEDS's 12T clutch is specified for #35 chain.

This fits a builder replacing a 10-tooth clutch in a #40/41/420-chain kart or minibike with a matching keyed 3/4-inch shaft. It is not the right sprocket choice for a #35-chain drivetrain.

Listed on Amazon as: Centrifugal Clutch, Go Kart Clutch 3/4 Bore 10T with #40 41 420 Chain for Mini Bike, Go Kart, predator 212, Lawnmower and Honda GC GX 2-6.5HP Engine GC160 GC190 GX120 GX140 GX160 GX200.

#5

5. Vashly 10T Clutch

• Weight: 2.29 lb
• Package Dimensions: 4.45 x 4.37 x 2.64 in

Best for: 10T clutch for compact karts.

Why it ranks #5: It fits a 3/4-inch shaft and #40/41/420 chain, with a stated single-wheel-drive use for karts with tires no larger than 15 inches.

A stated limit of tires no taller than 15 inches makes this 10-tooth centrifugal clutch especially specific to single-wheel-drive kart setups. Its 3/4-inch bore and #40/41/420 chain sprocket also suit listed small engines, including Predator 212 and Honda or Honda-clone models.

The 10-tooth sprocket is specified for #40/41/420 chain, and the 3/4-inch bore with built-in 3/16-inch keyway targets matching engine crankshafts. The listing recommends this clutch for single-wheel-drive karts with tires up to 15 inches tall, a useful boundary when considering the drivetrain application. It covers 2–6.5 HP, 2300 RPM gasoline engines and names several Honda GX/GC and clone models. The chain is not included, so the existing chain supply matters.

Skip it if you need an included #35 chain for a 12T setup; TadaMark's 12T clutch includes four feet of #35 chain.

This is a focused choice for a single-wheel-drive kart with tires no taller than 15 inches and a matching 3/4-inch keyed shaft. Account for sourcing the #40/41/420 chain separately.

Listed on Amazon as: VASHLY Go Kart Clutch 3/4" Bore 10 Tooth for #40/41/420 Chain Predator 212 Centrifugal Clutch 10T for Go Kart Minibike and Fun Kart Engine

#6 · Most Chain Options

6. GYMMEDS 30 Series Converter

• Weight: 13.37 lb
• Package Dimensions: 14.03 x 8 x 7.72 in

Best for: TAV2-style converter kit.

Why it ranks #6: This 30 Series converter fits a 3/4-inch straight crankshaft and lists both 10T #40/41/420 and 12T #35 chain options.

Compatibility with Comet and TAV2 30 Series torque converters makes this kit a targeted replacement option for small vehicles using that CVT layout. Its 3/4-inch straight-crankshaft fit and listed 10-tooth or 12-tooth chain configurations help kart owners match the converter to their engine and drivetrain.

The 3/4-inch straight-crankshaft specification addresses engine-side fit, while the listed chain choices—10 teeth for #40/41/420 and 12 teeth for #35—help match the final-drive chain. The kit is described as a direct replacement for popular Comet TAV2 30 Series converters, with applications spanning karts, mini bikes, and other small vehicles. Its approximate 2350 RPM engagement range gives buyers an operating reference, and the listing says that engagement can be adjusted.

Skip it if you only need a basic clutch with chain included; SEHNSUCHT's 12T model supplies four feet of #35 chain.

Choose this for a TAV2-style converter replacement when its 3/4-inch engine fit and selected chain configuration match the kart. Its converter format is a more involved alternative to a simple centrifugal clutch.

Listed on Amazon as: 30 Series Torque Converter 3/4" Bore Fit for Predator 212cc Engine CVT Clutch 10T #40/41/420 & 12T #35 Chain Replacement Go Kart Mini Bike Manco Comet TAV2 30-75 Drive Belt Pulley Parts Kit.

#7

7. GESEXI 30 Series Kit

• Weight: 8.14 lb
• Package Dimensions: 12.17 x 7.99 x 4.49 in

Best for: Three-piece 30 Series kit.

Why it ranks #7: The kit includes a 3/4-inch driver, 5/8-inch driven clutch and 203589 belt, providing the main components for a 30 Series conversion.

This kit groups a 3/4-inch-bore torque-converter driver, a 6-inch driven unit with a 5/8-inch bore, and a 203589 belt, giving a builder the principal listed parts for a 30 Series conversion. Its cited Comet, Manco, and Kartco references help identify compatible replacement layouts.

The two pulley bores serve distinct engine and driven-shaft connections: the driver is listed at 3/4 inch, while the 6-inch driven clutch has a 5/8-inch bore. The included 203589 belt ties those components into the converter setup, helping consolidate parts for a retrofit. The description associates the 30 Series arrangement with low-end torque, smoother acceleration, climbing ability, and maximum speed; use the listed replacement references to assess whether that layout matches the kart.

Skip it if you need a converter explicitly listed for engines up to 8 HP; caqeg's 30 Series package states that range.

This suits a builder assembling or replacing a 30 Series converter on a kart with matching shaft interfaces. The included belt and two clutch units make it a bundled route, but the driven-side bore remains 5/8 inch.

Listed on Amazon as: 30 Series 3/4" Bore GO Kart CVT Torque Converter Clutch Kit

#8

8. caqeg 30 Series Kit

• Weight: 7.98 lb
• Package Dimensions: 12.05 x 8.03 x 4.72 in

Best for: 30-series converter replacement.

Why it ranks #8: It pairs a 3/4-inch driver with a 5/8-inch, 6-inch driven pulley and 725 belt, and lists fitment for small engines up to 8 HP.

A complete asymmetrical 30 Series driver clutch with a 3/4-inch bore anchors this converter package, giving small-engine kart and minibike owners a CVT-style replacement option. The package listing also specifies a 6-inch, 5/8-inch-bore driven pulley and a 725 belt, with compatibility references for several replacement components.

The 3/4-inch driver bore and 5/8-inch driven-pulley bore address different shaft interfaces, so checking both sides of the existing setup helps avoid a mismatched installation. The 6-inch driven diameter and included 725 belt make this a more complete converter replacement than a driver-only clutch. Listed replacements include Comet 219552 and Manco 5957, while the stated small-engine range reaches up to 8 HP; use those specifications to screen a kart or mini bike setup.

Skip it if you need an included #35 chain and simple sprocket clutch; SEHNSUCHT's 12T clutch supplies four feet of chain.

Consider this package for a kart or mini bike using a 30 Series converter layout and matching driver and driven shaft sizes. Its pulley-and-belt arrangement serves a different installation than a basic centrifugal chain clutch.

Listed on Amazon as: 30 Series Bore GO Kart CVT Torque Converter 3/4" Bore 6" Diameter Driven Asymmetric Go Kart Mini Bike + 5/8'' Driven Clutch Comet Kit + 725 Belt

#9

9. IPARTS EXPERT 30 Series

• Weight: 11.24 lb

Best for: DIY 30 Series kart conversion.

Why it ranks #9: Its converter lists a 3/4-inch drive bore and 5/8-inch driven unit, with 10-tooth or 12-tooth sprocket configurations for different chains.

Selectable 10- or 12-tooth sprocket options let this 30 Series torque converter accommodate either 40/41/420 chain or #35 chain, depending on the selected configuration. Its 3/4-inch drive bore and 5/8-inch driven pulley target compatible small-engine builds, including listed Predator, Hisun, and mini-bike applications.

The 3/4-inch drive-clutch bore pairs with a 5/8-inch driven pulley, so the two shaft measurements matter when planning installation. The listed sprocket choices connect the converter to either 40/41/420 chain with 10 teeth or #35 chain with 12 teeth, helping match an existing drivetrain. Compatibility covers Predator 212 and 224 engines, Hisun 196, and several kart and mini-bike modifications. A setup video is listed to guide product setup.

Skip it if you want an explicitly listed 203589 belt included; GESEXI's 30 Series kit names that belt in its package contents.

A useful candidate for DIY kart or mini-bike conversions where the engine, driven shaft, and chain option match its specifications. Check the chosen sprocket configuration and plan for a modification-style replacement rather than a Comet-branded unit.

Listed on Amazon as: 212CC Torque Converter 6.5 HP 3/4" – 30 Series

#10

10. BLACKHORSE-RACING 30 Series

• Weight: 7.5 lb

Best for: 30 Series belt-and-pulley kit.

Why it ranks #10: It is a 30 Series converter kit with a 3/4-inch driver and 5/8-inch, 6-inch driven clutch, but the listing gives less go-kart-specific fit detail.

A 30 Series package combines a 3/4-inch-bore driver clutch, a 6-inch driven clutch with a 5/8-inch bore, and a 725 belt, covering key components for a converter installation. Its listed fit spans go karts, mini bikes, lawnmowers, and other small-engine equipment.

The 3/4-inch driver bore and 5/8-inch driven bore call for distinct shaft measurements, while the 6-inch driven diameter helps identify the pulley layout. A 725 belt is listed in the package size, making this a bundled route for replacing a 30 Series converter rather than sourcing only a clutch. The listing gives an 8 HP maximum for the converter and names Comet 219552, Manco 5957, and Yerf Dog Q43201W replacement references.

Skip it if you need a setup video for installation guidance; IPARTS EXPERT's 30 Series listing includes a setup video.

Consider this kit for a kart or mini bike using a 30 Series converter and matching 3/4-inch and 5/8-inch shaft interfaces. The bundled belt and pulleys suit a replacement job, but installation guidance is not included.

Listed on Amazon as: BLACKHORSE-RACING 30 Series Bore GO Kart CVT Torque Converter Kit