In this review, we’ll be taking a look at the best clutches for go-karts. We will review the best clutches and evaluate their material, type, build quality, application and specifications. There will also be a buying guide on go-kart clutches at the end of the review section where you can familiarize yourself with all the different elements of clutches.
Go-kart clutches are transmissions which might be linked immediately to the engine’s crankshaft. It’s a mechanical device that engages, as soon as the engine reaches a certain speed (rpm). In this review, I’ll only consider centrifugal clutches, as they are by far the most common and affordable clutches for go-karts. There also are different forms of racing clutches along with the hydraulic and electric powered clutch. Without in addition ado, let’s leap proper in!
MoonSun Go-Kart Clutch
The MoonSun clutch is the best go-kart clutch in our list, as it offers the perfect ratio of build quality and affordability. It’s a great clutch for Briggs and Stratton, Tecumseh, Predator and other small to medium go-kart engines. Generally it will support any engine with an output of about 4 to 7 hp. The MoonSun has an engagement range of 2300 ± 300 rpm and also includes a #35 roller chain. Which you don’t have to source separately.
Specification
- Bore Diameter: 3/4″
- Clutch Diameter: 107mm (4.21″)
- Sprocket Teeth: 12
- Clutch Height: 55mm (2.17″)
Compatibility
- Crankshaft Diameter: 3/4″
- Required Chain Size: #35
- Engagement Range: 2300 ± 300 rpm
- Recommended Engine: 4 to 7 hp
FDJ Go-Kart Clutch
The FDJ Clutch is another great entry into our list of best go-kart clutches. It’s made of wear-resistant steel, which is heavy-duty and is built to last. This makes it very compact and suitable for small to medium go-kart engines. It’s available in 3 different variants featuring a 10, 11 or 12-tooth sprocket.
The FDJ Go-Kart Clutch is compatible with any go-kart engine from 2 to 7 hp, with a 3/4″ crankshaft and a 3/16” key. Overall, it’s a well-built go-kart clutch that is suitable for for a #40/41/420 chain. Please note that no set screws are included.
Specification
- Clutch Diameter: 4 3/4″
- Bore Diameter: 3/4″
- Sprocket Teeth: 10, 11 or 12
- Clutch Height: 3″
Compatibility
- Recommended Engine: 2 to 7 hp
- Engagement Range: 2300 ± 300 rpm
- Required Chain Size: #40/41/420
- Engagement Range: 2300 ± 300 rpm
Trkimal Go-Kart Clutch
The Trkimal Centrifugal Go-Kart Clutch is another great choice for karts that are powered by a 2 to 6.5 hp engine. It’s crafted from durable steel that is wear and heat-resistant. It also features an inner bore of 3/4″, meaning that it’s compatible with crankshafts that have a diameter of 3/4″ and a 3/16” keyway. The clutch is 54.5mm (2.15”) in height and has an outer diameter of 107mm (4.21”), which also makes it small and compact.
Specification
- Clutch Height: 54.5mm (2.15″)
- Sprocket Teeth: 10, 11 or 12
- Bore Diameter: 3/4″
- Clutch Diameter: 107mm (4.21″)
Compatibility
- Crankshaft Diameter: 3/4″
- Required Chain Size: #35
- Engagement Range: 2000 ± 100 rpm
- Recommended Engine: 2 to 6.5 hp
Auto Express Go-Kart Clutch
The Auto Express Go-Kart Clutch is made out of high-grade steel and is another great option for smaller sized go-kart engines. It’s a centrifugal dry clutch and only comes in one variant that has a 12-tooth sprocket. You can either source it yourself or hook it up to your go-kart immediately, if you have an existing roller chain.
The Auto Express Go-Kart Clutch is recommended for go-kart engines that have an output of around 2 to 6 hp. Once installed, the clutch has an engagement range of 2200 ± 200 rpm.
Specification:
- Bore Diameter: 3/4″
- Clutch Height: –
- Clutch Diameter: –
- Sprocket Teeth: 12
Compatibility:
- Recommended Engine: 2 to 6.5 hp
- Crankshaft Diameter: 3/4″
- Required Chain Size: #35
- Engagement Range: 2200 ± 200 rpm
Bravex Go-Kart Clutch
The final entry on our list of best go-kart clutches is from Bravex. The Bravex Go-Kart Clutch comes in a 10-tooth or 12-tooth sprocket configuration. It’s suitable for go-kart engines that are around 3 to 6.5 hp and should have no more than 200cc. Overall, the build quality of the Bravex Go-Kart Clutch is great and promises a 50% longer lifetime, due to its high-impact and wear-resistant steel construction.
Specification
- Bore Diameter: 3/4″
- Sprocket Teeth: 10 or 12
Compatibility
- Crankshaft Diameter: 3/4″
- Required Chain Size: #35 or #40/41/420
- Engagement Range: 2300 ± 300 rpm
- Recommended Engine: 2 to 6.5 hp
