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ATVWorks FD620/FD661 Rebuild Kit – 2 Pistons

AUD 310.28 on Amazon.com.au (as of October 22, 2026) View details ↗

The ATVWorks KCR5 engine rebuild kit is designed for Kawasaki Mule 2500, 2510, 2520, 3000, 3010, 3020, 4000, and 4010 models (KAF620 engine) as well as John Deere 425, 445, F911, and 6x4 Gator GX345 utility vehicles. This comprehensive kit includes all essential components for a full rebuild, such as head gaskets, crankcase seals, valve stems, rocker case gaskets, intake and exhaust gaskets, a water pump case gasket, two standard pistons, piston rings, wrist pins, and circle clips.

Ideal for maintenance tasks, this kit ensures compatibility with gasoline V-Twin engines in the specified models, providing a reliable solution for restoring engine performance. The kit is sourced from ATVWorks, a trusted brand in off-road equipment parts, and is designed to meet the exacting standards of utility vehicle owners.

CompatibilityKawasaki Mule 2500, 2510, 2520, 3000, 3010, 3020, 4000, 4010 (KAF620 engine) & J
Pistons included2 × Standard size (13001-2210)
Piston rings included2 × (13008-6025)
Oil seals included2 × Crankshaft oil seals (92049-2112)
Water pump components1 × Water pump case gasket (11060-2450) & 1 × Water pump cover gasket (11060-245
Engine typeGasoline V-Twin
Which Kawasaki Mule models is this rebuild kit compatible with?
This kit is designed for Kawasaki Mule models 2500, 2510, 2520, 3000, 3010, 3020, 4000, and 4010 (KAF620 engine).
Does this kit include all the gaskets needed for a full engine rebuild?
Yes, the kit includes head gaskets, crankcase seals, valve stems, rocker case gaskets, intake and exhaust gaskets, and water pump gaskets.
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