1991-1999 Honda CB750 Nighthawk Service & Repair Manual (P/N M436, Clymer)
Honda Models Covered & Key Technical Specifications
Models: Honda CB750 Nighthawk
Model Years: 1991–1993, 1995–1999
Serial Numbers: RC38E-2000042–2700000 (Engine), RC380-MM000019–XM700001 (Frame)
Engine: 4-cylinder, 4-stroke
Displacement: 747 cc
Firing order: 1-2-4-3
Idle speed: 1000 ± 100 rpm
Compression: 981-1373 kPa (142-199 psi)
Transmission: 5-speed with clutch
Valve clearance: Hydraulic lifters, no adjustment required
Drive chain free play: 20-30 mm (3/4–1 3/16 in.)
Spark plug gap: 0.8–0.9 mm (0.031–0.035 in.)
Engine oil capacity (with filter): 2.9 liters (3.0 U.S. qt.)
Fork oil capacity: 472 ml (15.96 U.S. oz.)
Battery: 12 volt, 14 ampere-hours
Honda Manual Features & Content Preview
- Covers the 1991–1993 and 1995–1999 Honda CB750 Nighthawk (RC38-series).
- Official 412-page Clymer publication (M436) featuring 66 illustrations, 11 technical specification tables, and 9 electrical schematic diagrams.
- Details essential service, maintenance, and repair documentation for engine, transmission, electrical, and chassis components.
Contents Coverage
This reference guide provides a deep dive into the motorcycle's drivetrain. It breaks down top and bottom end engine work, clutch systems, and the shift mechanism, while also outlining fuel and emission control repair data. For electrical troubleshooting, the chapters map out the charging system, ignition timing, and starter circuits. Additional sections cover the front fork, rear suspension, braking systems, and steering head maintenance. Since tackling major motorcycle maintenance involves heavy components and hazardous fluids, always follow standard shop safety practices and use proper lifting equipment before beginning your teardown.
Specification Highlights
Quick reference tables provide the exact numbers you need for routine servicing and complex rebuilds alike. Engine compression is clearly documented at 981–1373 kPa. For drivetrain maintenance, the data charts list drive chain free play at 20–30 mm. When servicing the front end, fork oil capacity is specified precisely at 472 ml per leg. Having these verified factory figures on hand eliminates guesswork, helping professional technicians and dedicated DIYers work more efficiently.
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