1972–1976 Kawasaki KH(S) Series KH 250, KH 400, S1, S2, S3 Shop Manual (KH250-B1)
129 Pages • 17.09 MB • Printable PDFs (ZIP Download)
Kawasaki Models Covered & Key Technical Specifications
Models: S1, S1A, S1B, S1C, KH250-A5, KH250-B1, S2, S2A, S3, S3A, KH400-A3
Sub-models / Variants: European models (KH250-B1, KH400-A3), Disc Brake models, Drum Brake models
Model Years: 1972–1976 (1972, 1973, 1974, 1975, 1976)
Serial Numbers: S1F-00001–, S1F-04691–, S1F-12001–, S1F-16300–, S1F-24400–, S2F-00001–, S2T-00001–, S3F-00001–, S3F-14300–, S3F-26200–
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Engine type: 2-stroke, 3-cylinder, piston valve
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Displacement: 249 cc (S1/KH250), 346.2 cc (S2), 400.4 cc (KH400)
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Horsepower: 28 ps (KH250), 44 ps (S2), 38 ps (KH400)
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Transmission: 5-speed, constant mesh, return shift
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Fuel system: Mikuni VM22SC, VM24SC, or VM26SC carburetor
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Ignition system: Battery and coil or Capacitor Discharge Ignition (CDI)
Kawasaki Manual Features & Content Preview
- Coverage: A 129-page PDF for 1972 S1 and S2, 1973 S1A and S2A, 1974 S1B and S3, 1975 S1C and S3A, and 1976 KH250-A5, European KH250-B1, and KH400-A3 motorcycles, with beginning-frame numbers and production-change notes.
- Factory procedures cover engine removal and mounting, top-end inspection, cylinder boring and honing checks, piston and ring service, crankcase separation, clutch and primary gear work, five-speed constant-mesh transmission service, and kick-starter repair.
- Fuel and lubrication sections address Mikuni VM22SC, VM24SC, and VM26SC carburetors, three-carburetor idle setup, starter-cable synchronization, fuel-level and mixture diagnosis, plus Kawasaki Superlube oil-pump adjustment, bleeding, and output testing.
- Separate chassis procedures handle drum- and disc-brake configurations, two-leading-shoe front brake adjustment, master-cylinder and caliper service, brake bleeding, wheel and hub repair, steering-stem work, and model-specific front-fork disassembly.
- Electrical chapters distinguish S Series/KH250 contact-breaker systems from the KH400-A3 C.D. ignition, with generator, rectifier, regulator, ignition-timing, coil, signal-coil, exciter-coil, and C.D.I.-unit tests.
- Illustrations include transmission layouts, oil-flow diagrams, carburetor system views, disc-brake hydraulic sections, fork cutaways, and KH400 C.D.I. circuits. The separate motorcycle wiring-diagram pages listed in the contents are not included in this PDF.
This Kawasaki shop manual moves from maintenance and adjustment into internal engine, brake, suspension, and electrical repair. It is suited to experienced owners and motorcycle technicians who already have precision measuring tools, electrical test equipment, and the skills required for engine teardown and hydraulic brake work; several procedures call for Kawasaki special tools.
Model Application and Production Changes
The application chart gives open-ended beginning frame numbers: S1 S1F-00001~, S1A S1F-04691~, S1B S1F-12001~, S1C S1F-16300~, and both KH250 versions S1F-24400~; S2 S2F-00001~ and S2A S2T-00001~; S3 S3F-00001~, S3A S3F-14300~, and KH400-A3 S3F-26200~. It also identifies the S1B brake-lining wear indicator, S2A and KH250-B1 disc-brake applications, the S3A spark-plug change, and the KH40
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