GOOFIT
5/8" Centrifugal Clutch 10-Tooth for #40/41/420 Chain | Fits Go-Karts, Mini Bikes & 6.5HP Engines
5/8" Centrifugal Clutch 10-Tooth for #40/41/420 Chain | Fits Go-Karts, Mini Bikes & 6.5HP Engines
Couldn't load pickup availability
Product Overview
Equip your small engine with the Heavy-Duty 5/8" Bore Centrifugal Clutch, a versatile and rugged solution for Go-Karts, Mini Bikes, and utility machinery. Engineered for engines up to 6.5HP, this clutch features six sintered metal shoes that provide superior engagement and maximum torque transfer. Whether you need an inboard or outboard mounting configuration, this reversible clutch is designed for fast heat dissipation and long-term durability under heavy loads.
Product Compatibility
| Engine Category | Specifications | Common Applications |
| Shaft Size | 5/8" (15.87mm) | Small Engines (up to 6.5HP) |
| Chain Type | #40 / #41 / #420 | Go-Karts, Mini Bikes, Lawnmowers |
| Rotation | Bi-Directional | Clockwise & Counter-Clockwise |
| Mounting | Universal | Inboard or Outboard (Sprocket in or out) |
Specifications
| Feature | Details |
| Bore Hole Diameter | 5/8" (15.87mm) |
| Tooth Count | 10-Tooth (10T) |
| Clutch Diameter | 107mm (4.21") |
| Shoe Material | 6 Sintered Cast-Steel Shoes |
| Housing Material | High-Quality Heat-Dissipating Iron |
| Sprocket Pitch | 1/2" (Standard for 40/41/420 chain) |
Key Features
- Sintered Steel Shoe Technology: Features six sintered shoes made of high-grade cast-steel with a precision microfinish. This design ensures smoother engagement, better reliability, and a stronger "bite" than standard 3-shoe clutches.
- Superior Heat Management: Constructed from high-quality iron that is lightweight yet sturdy, allowing for rapid heat dissipation. This prevents the clutch from "fading" or slipping during prolonged use or high-torque situations.
- Maximum Torque Transfer: Engineered to handle the output of 6.5HP engines efficiently, reducing energy loss and ensuring your vehicle accelerates quickly and handles inclines with ease.
- Versatile Bi-Directional Drive: This clutch performs equally well in both clockwise and counter-clockwise rotations, offering maximum flexibility for custom engine layouts and unique drive systems.
- Flexible Mounting Options: Can be mounted "inboard" (sprocket toward the engine) or "outboard" (sprocket away from the engine), allowing you to align your chain perfectly with your rear sprocket.
Share
Fitment FAQ
Will this part fit my specific model and year?
This clutch assembly is intended for #40/41/420 Chain. Key physical/spec details from the product data include Shaft Size: 5/8" (15.87mm), Bore Hole Diameter: 5/8" (15.87mm), Tooth Count: 10-Tooth (10T). 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 clutch assembly, also compare the spline count, clutch bell diameter, pulley diameter, spring style, belt width, and engine platform.
What models or situations does this part not fit?
Do not order this clutch assembly for machines outside the listed compatibility, or for units with different spline counts, clutch-bell sizes, pulley diameters, or engine platforms. 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 spline count, clutch bell diameter, pulley diameter, spring style, belt width, and engine platform. Recheck listed specs such as Shaft Size: 5/8" (15.87mm), Bore Hole Diameter: 5/8" (15.87mm), Tooth Count: 10-Tooth (10T). If any connector, mounting point, size, or year detail is different, confirm fitment before installation.