1986-1990 Kawasaki KMX125 Motorcycle Service Manual

Kawasaki KMX125 1986–1990 — Technical Scope

• Covers 1986–1990 Kawasaki KMX125 motorcycles, including A-series and B-series variants with 124 mL liquid-cooled 2-stroke engines
• Official OEM publication Kawasaki Heavy Industries, second edition July 9, 1988
• Documents key clearance specs like 0.050–0.060 mm piston-to-cylinder clearance and 0.2 mm reed warp limit
• Includes 16 chapters detailing system-specific torque values, wire routing diagrams, and exploded-view component breakdowns
• Page spreads stay legible when printed at original size
• OCR text layer lets you jump to a torque spec by keyword
• This 1988 second edition provides the factory-authorized parameters for the KMX125-series, including chassis and drivetrain alignment data absent from later user guides

Component and System Documentation

The 1986–1990 Kawasaki KMX125 service manual provides a structured analysis of the motorcycle’s mechanical architecture. Chapters partition the machine into primary systems including fuel delivery, liquid cooling, engine top-end assemblies, and lubrication. The text details the service environment, documenting specialized procedures for the 6-speed transmission and the Uni-Trak rear suspension components. Experts will find specific sections on KIPS (Kawasaki Integrated Power Valve System) operation, including rod inspection and exhaust valve timing alignment.

Specifications and Reference Values

Every major assembly is supported by technical tables outlining factory tolerances and wear limits. The transmission oil capacity is specified at 0.75 L, while cooling system maintenance references a 1.1 L reservoir capacity. Cylinder compression for the 1986–1990 Kawasaki KMX125 is listed at 795–1230 kPa in the top-end specification table. Primary gear nut torque is documented at 59 Nm (43 ft-lb) in the crankcase assembly data. Drive chain slack is maintained at 40–50 mm per standard operational settings. This 200-page official Kawasaki manual serves as the definitive reference for the 1986–1990 Kawasaki KMX125, documenting engine, chassis, and electrical specifications for the A-series and B-series builds.