780 Series Go Kart Primary Drive Clutch 1 Inch Bore for Smooth Power Transfer

Upgrade worn drivetrain performance and get your kart moving with smoother, more dependable power delivery. This go kart drive clutch features a 1-inch bore, 1/4-inch keyway, and compatibility with 1-3/16 to 1-1/4-inch wide belts. Built for many 4-cycle engines, the 780 series clutch replaces part numbers 302405A and 302405. Dynamic balancing helps reduce unwanted vibration and noise while promoting firm, responsive engagement. Its steel and aluminum alloy construction provides durability, heat dissipation, and resistance to demanding riding conditions.

Key Features

• Primary drive clutch with a 1-inch bore and 1/4-inch keyway for secure drivetrain connection.
• Dynamically balanced axle promotes smooth engagement while helping minimize vibration and abnormal operating noise.
• Durable steel and aluminum alloy construction with a treated surface for improved resistance to oil, moisture, and corrosion.
• Supports 1-3/16 to 1-1/4-inch belts and is designed as a replacement for 302405A and 302405.

Why Choose Our 780 Series Go Kart Primary Drive Clutch

Instead of continuing to ride with a noisy or worn clutch, this go kart clutch replacement provides a precision-fit solution designed for smoother power transfer and reliable engagement. Its dynamically balanced construction and durable alloy body help deliver lasting performance with reduced vibration. The clutch engages at approximately 2000 ± 200 RPM and is normally rated for engines up to 13 HP.

Perfect For

Ideal for go-kart owners, off-road enthusiasts, mechanics, repair shops, and DIY drivetrain restoration projects. Suitable for compatible 4-cycle engines using a straight shaft and the specified bore, keyway, and belt dimensions.

Bring Smooth Power Back to Your Kart

Replace that tired clutch and enjoy cleaner engagement, reduced vibration, and more confident power delivery. Order your 780 Series Go Kart Primary Drive Clutch today and get your machine ready for the next ride.