Kawasaki KAF300 Mule 500 Mule 550 Utility Vehicle Service & Repair Manual (P/N 99924-1146-02)

• 238-page PDF set: a 213-page Kawasaki MULE 500 Utility Vehicle Service Manual, P/N 99924-1146-02 (Second Edition, November 5, 1997), plus a 25-page Kawasaki MULE 550 Service Manual Supplement, P/N 99924-1202-52 (Second Edition, January 6, 1998).
• Coverage includes KAF300-A1, KAF300-B1, KAF300-B2, KAF300-C1, and KAF300-C2, with Kawasaki's Beginning Frame Number for each version and separate model-change sections for the B- and C-series machines.
• Engine and fuel-system repair covers carburetor cleaning and inspection, throttle and choke adjustment, governor service, compression testing, cylinder-head and valve work, camshaft and piston service, crankshaft/balancer inspection, and oil-pump and relief-valve service.
• Drivetrain procedures include torque-converter removal, drive and driven pulley disassembly, belt inspection, engine-to-transmission alignment, transmission case splitting, shift mechanism adjustment, differential overhaul, axle-shaft service, and bearing and seal replacement.
• Chassis work addresses hydraulic brake fluid changing and line bleeding, master and wheel cylinders, drums and shoes, parking brake adjustment, wheel alignment, steering-gear preload, tie rods and knuckles, shock preload, trailing arms, the rear swing unit, and cargo-bed and fender removal.
• Electrical diagnosis includes the charging, ignition, starter, lighting, switch, relay, and neutral-switch circuits, along with component resistance checks, charging-system tests, wiring continuity inspection, and the complete KAF300-A1/B1/B2 wiring diagram.
• Factory reference material includes engine top-end and torque-converter exploded views, the engine oil-flow chart, crankshaft shim table, Mule 550 cable/wire/hose/pipe routing, system-specific torque data, capacities, adjustment specifications, service limits, and troubleshooting for starting, running, overheating, converter, shifting, noise, handling, and battery faults.

This factory material goes well beyond routine maintenance. It documents disassembly, measurement, inspection, repair, adjustment, and reassembly across the KAF300 platform. Kawasaki states that the base manual is primarily for trained mechanics in a properly equipped shop. Owners with basic mechanical knowledge, proper tools, and an understanding of workshop procedures can also use it for basic maintenance and repair; Kawasaki directs them to qualified mechanics whenever their experience is insufficient.

Model and Frame Coverage

The manuals identify coverage by model code and Beginning Frame Number. The square symbol marks the one digit that changes from machine to machine.

The main publication contains 15 core chapters plus a KAF300-B model supplement. That B-model section records the changed governor linkage and revised seat, cargo bed, and brake-lever arrangements. The separate MULE 550 file is a model-difference supplement rather than a stand-alone manual. It adds C1/C2-specific specifications, routing, governor, converter, transmission/final-drive, wheel-alignment, brake, suspension, steering, frame, and electrical information. Its title page directs the reader to MULE 500 KAF300-A1 base manual P/N 99924-1146-01; the base manual supplied in this PDF set is P/N 99924-1146-02.

Workshop Depth and Repair Notes

The 286 mL, forced-air-cooled single-cylinder OHV engine chapters include standard measurements and service limits for the valve train, cylinder and piston, connecting rod, crankshaft, balancer, and lubrication system. The transmission, brake, steering, suspension, and electrical sections pair repair procedures with their related inspection criteria instead of providing specifications without context.

Kawasaki tool references include the engine/transmission Assembly Jig 57001-1341, Flywheel & Pulley Holder 57001-1343, Brake Drum Holder 57001-1325, Oil Seal & Bearing Remover 57001-1058, Bearing Driver Set 57001-1129, Hand Tester 57001-983, and Coil Tester 57001-1242, plus dedicated valve-guide, valve-seat, piston, and compression-test tooling.

Two repair details are easy to miss. The drive and driven pulley bolts use left-hand threads, so treating them as conventional fasteners can damage the pulley hardware. The manual also warns that applying too much liquid gasket during case assembly can block engine oil passages and cause serious engine damage.

The publication also warns that brake or clutch friction material, gaskets, and insulators may contain asbestos. Follow the manual's dust-control precautions and use suitable protective equipment before disturbing those components.