Go Kart Centrifugal Clutch Kit 3/4" Bore 10 Tooth for #40/41/420 Chain — Open-Box, 15% Off

Engine Fit: 3/4" bore, 10T 420 clutch for 2-6.5 HP engines, compatible with Harbor Freight Predator 212cc engines; GC160, GC190, GX120, GX140, GX160, GX200(196cc); Briggs & Stratton and Tecumseh with 3/4" crankshafts. Check shaft size first. Kart & Bike Use: Centrifugal clutch suits DIY upgrades or replacements, compatible with Baja Mini Bikes (MB165, MB200, Baja Heat, Mini Baja, Warrior), fun karts and lawnmowers. For single-wheel direct-drive karts with tires up to 15". Engagement: 2300±300 RPM. Heavy-Duty Construction: This 3/4 clutch is forged from high-grade industrial iron for maximum strength and wear resistance. Fast heat dissipation helps prevent overheating and clutch slip during aggressive riding, while the heavy-duty build is designed to outlast standard OEM clutches. Complete Kit: This 212cc clutch kit includes 1 x 3/4" 10 Tooth Clutch, 1 x 5-Foot #40 Chain, 2 x Chain Connectors, and 1 x Clutch Bolt and Washer Kit. The clutch sprocket is intended for #40/#41/#420 chain. Keep the chain snug, not overly tight, to reduce sprocket tooth wear. Easy Install: Go kart clutch mounts quickly to the crankshaft with the included bolt and washer. Before first use, oil the bearing behind the snap ring for smooth engagement and longer life. Do not oil drum holes; they vent hot air, and oil inside the drum may cause excessive slippage and heat.

Q1: What engines does it fit?
A: This go kart clutch fits 2-6.5 HP engines with a 3/4" crankshaft, compatible with Harbor Freight Predator 212cc, GC160, GC190, GX120, GX140, GX160, GX200, Briggs & Stratton and Tecumseh models. Verify shaft size before ordering.
Q2: Does it come with a chain?
A: Yes. This 3/4 clutch kit includes a 5-ft #40 chain, 2 master chain connectors, plus the clutch bolt and washer kit. The 10T sprocket works with #40/#41/#420 chain. Keep the installed chain snug but not overly tight to limit sprocket wear.
Q3: Is it easy to install?
A: Yes. Mount the centrifugal clutch on the crankshaft end with the included bolt and washer. Before first use, oil the bearing behind the snap ring. Do not oil the drum ventilation holes; oil inside the drum may cause slippage and excess heat.
Q4: What RPM does it engage at?
A: This 420 clutch has an engagement range of about 2300±300 RPM. It is intended for compatible 2-6.5 HP applications such as mini bikes, fun karts and lawnmowers, including single-wheel direct-drive karts with rear tires up to 15" tall.
Q5: Is it durable?
A: Yes. This 212cc clutch is forged from high-grade industrial iron for strength and wear resistance. Fast heat dissipation helps manage heat and reduce overheating or clutch slip during demanding riding, supporting reliable repeated use.