When choosing a 5/8″ bore centrifugal clutch, reliability, compatibility, and chain spec matter most. This guide highlights five solid options that fit #35 chain and 2.8 HP to 3 HP class engines, helping buyers pick the right clutch for mini bikes, go-karts, or small garden equipment. Best for new builds, upgraded go-karts, and hobby projects, these clutches emphasize durability, ease of installation, and compatibility with Predator 97cc engines.
Buyer types and what they need:
– New builders seeking a straightforward upgrade for 5/8″ shafts.
– Go-kart enthusiasts needing quick replacement parts with existing #35 chains.
– Hobbyists upgrading mini bikes or garden tractors who want reliable performance at moderate engine power.
Below is a quick table summarizing the five selected products and their primary suitability.
| Product | Bore / Teeth | Best For | Notes | Engine Fit |
|---|---|---|---|---|
| KRGUOD Centrifugal Clutch | 5/8″ bore, 11T | Mini bikes, single-wheel drive go-karts | Includes bolt and washer kit | Predator 2.8 HP 97cc, some older 3 HP |
| ILONPA Centrifugal Clutch | 5/8″ bore, 11T | Go-karts, scooters, mini bikes | Not included chain | 2–6.5 HP engines |
| Psytfei 5/8″ Bore Clutch | 5/8″ bore, 12T | High-torque mini bikes and go-karts | 12T offers easier control | 2.8 HP 97cc engines |
| SEHNSUCHT 5/8″ Bore 11T Clutch | 5/8″ bore, 11T | Heavy-duty go-karts and mini bikes | Sturdy build, wide engine compatibility | Predator 2.8 HP 97cc and older 3 HP |
The following sections detail five compatible products, each with direct purchasing links, image context, and practical buying notes. The goal is to help you decide quickly which clutch best fits your project and powertrain.
KRGUOD 5/8″ Bore 11T Clutch For Mini Bikes
Reference: 5/8″ bore, 11T clutch designed for #35 chain. Best for single-wheel drive go-karts with tires under 15″ tall and small mini bikes. It is compatible with Predator 2.8 HP 97cc engines and some older 3 HP units. This kit often includes a bolt and washer set, simplifying installation. Choose this if you need a straightforward 11-tooth option with included mounting hardware and a compact footprint. Caution: verify chain length and mounting shaft keyway before install.
ILONPA 5/8″ Bore 11T Clutch For #35 Chain
Best for: Go-kart builds and mini bikes needing reliable engagement with moderate torque. This 5/8″ bore 11T clutch is designed for #35 chain and fits single-wheel drive configurations up to 15″ tires. It supports engines in the 2–6.5 HP range, including common 97cc variants. Why choose: broad engine compatibility and a compact design. Limitation: chain not included, so you’ll need to source #35 chain separately.
Psytfei 5/8″ Bore 12-Tooth Go Kart Clutch
Best for: Go-karts requiring higher gearing precision and improved vehicle control. The 12-tooth design offers a slightly different engagement profile that can help stabilize high-speed performance. Compatible with 2.8 HP to 97cc-class engines, and designed for 35 chain setups. Choose this if you want smoother acceleration and more predictable throttle response. Caution: check exact chain length and shaft compatibility for your frame.
SEHNSUCHT 5/8″ Bore 11T Clutch
Best for: Heavy-duty mini bikes and go-karts needing durable clutch performance with 5/8″ shaft. This 11T model aligns with #35 chain and is compatible with Predator 2.8 HP 97cc engines as well as some older 3 HP units. It emphasizes a robust build using premium steel, supplying a balance of light weight and longevity. Choose this if you want a sturdy option that remains compact. Limitation: extended heavy-duty use may require periodic inspection of mounting hardware.
KRGUOD Centrifugal Clutch Comparison
Best for: Quick comparison across 5/8″ bore, 11T clutches designed for #35 chain. It suits mini bike, go-kart, and scooter-style builds where engine power is in the 2–3 HP range. The included bolt and washer kit adds installation convenience and reduces parts hunting. Choose this product if you value a complete mounting kit and a familiar Predator 97cc engine compatibility profile. Caution: verify that your chain length matches your build’s required length before purchase.
Buying Guide: Key Purchase Considerations
- Engine compatibility: Ensure the clutch supports your engine’s horsepower and the 97cc Predator-class units if that’s your power source.
- Chain compatibility: All listed items are designed for #35 chain; confirm chain length and tensioning needs for your drive system.
- Bore and tooth count: A 5/8″ bore with 11T or 12T affects engagement speed and torque delivery. Higher teeth can improve control at higher speeds.
- Mounting hardware: Some clutches ship with bolts and washers; others require separate hardware purchases. Verify what’s included.
- Durability vs. weight: Premium steel construction tends to offer longer life in heavy-use scenarios but consider overall weight for your frame balance.
- Installation space: Check shaft diameter, keyway compatibility, and whether your frame supports the clutch’s width and mounting pattern.
Frequently Asked Questions
- Q: Do these clutches come with the chain?
A: Some listings do not include the chain; verify if #35 chain is included or if you must purchase separately. - Q: Will these fit Predator 97cc engines?
A: Several options are listed as compatible with Predator 2.8 HP 97cc engines or similar. Always confirm exact engine model and mounting requirements. - Q: What is the benefit of 12-tooth versus 11-tooth clutches?
A: A 12T clutch can provide smoother control and different engagement behavior, which can improve throttle response in some setups. - Q: Are these suitable for Go-Karts with tires larger than 15 inches?
A: Most listings specify suitability for tires no larger than 15″ tall; exceeding this may require a different gearing setup. - Q: Is included mounting hardware always provided?
A: Not always; some products include bolts and washers, while others require separate hardware. - Q: What maintenance is recommended?
A: Regular inspection of mounting hardware, cleanliness of the engagement surfaces, and ensuring proper chain tension help extend clutch life.