1972-1976 Kawasaki KH(S) Series KH 250, KH 400, S1, S2, S3 Shop Manual (KH250-B1)

• Covers 1972–1976 Kawasaki S Series and KH Series motorcycles, including KH250, KH400, S1, S2, and S3 variants with both drum and disc brake configurations.
• Official Kawasaki Shop Manual publication for the mid-70s 2-stroke triple lineup, available immediately as an instant download.
• Contains 47 detailed exploded-view diagrams, 48 specification tables, and complete wiring schematics for all early contact breaker and later C.D. ignition systems.

Component Maintenance and System Coverage

This official reference provides the raw data you need for the complete mechanical service of the 2-stroke, 3-cylinder engine platform. Grab this instant download to access precise specifications for cylinder head maintenance, piston and ring inspection, and oil pump operation.

Tuning a vintage triple requires exact baseline data. The publication thoroughly documents the fuel system and the specialized four-port scavenging setup. It features detailed specs for Mikuni carburetors, giving you the exact jet needle sizes, pilot jets, and float level measurements essential for dialing in the different S-series displacements.

Engineering Data and Chassis Metrics

Working on vintage motorcycles requires strictly adhering to factory specifications to ensure safe handling and reliable operation out on the road. Always verify critical torque settings, fluid levels, and component tolerances before taking your restored bike for a test ride.

This manual catalogs extensive specifications for the tubular double-cradle frame, telescopic front forks, and swing arm assembly. It details oil capacities, required SAE grades, and specific model variations. You will find reference values for brake lining wear, front fork spring lengths, and disc brake torque settings. The brake system section breaks down master cylinder internals and caliper maintenance for disc-equipped models.

The guide leaves no guesswork for the drivetrain and lower end. Gear ratios and primary reduction ratios are mapped out for all 5-speed constant-mesh transmissions. Radial clearance for the crankshaft is documented at 0.025–0.035 mm for the 250 cc models. Suspension and top-end specs are equally precise, specifying the KH250-B1 front fork oil level at 245 mm from the top of the tube, and the S3/KH400 piston ring end gap at 0.15–0.35 mm.