Engine Systems:
Engine disassembly, assembly, inspection, tuning, lubrication, cooling
Fuel System:
Carburetor service, fuel pump, fuel lines, fuel tank
Lubrication System:
Oil pump, oil filter, oil passages, oil specifications
Electrical System:
Ignition system, charging system (alternator, regulator/rectifier), starter motor, lighting, instrumentation, wiring diagrams
Chassis Systems:
Frame, suspension (front forks, rear shock absorber), steering, wheels, tires, brakes (front and rear), final drive (chain/sprocket)
Braking System:
Front and rear brake system inspection, maintenance, fluid replacement, caliper service, master cylinder service.
Suspension System:
Front fork disassembly, oil change, seal replacement, rear shock absorber inspection and service.
Steering System:
Steering head bearing inspection, lubrication, and adjustment.
Bodywork And Frame:
Frame inspection, fairings (if applicable), body panels, seat, fenders, and mounting components.
Maintenance:
Periodic maintenance, tune-up procedures, fluid changes, filter replacement, lubrication
Diagnostics:
Troubleshooting guides, fault finding, diagnostic procedures for all major systems
Repair:
Step-by-step repair instructions for all components and systems
Overhaul:
Detailed procedures for engine and transmission overhaul
Engine Troubleshooting:
Diagnostic charts for common engine symptoms such as hard starting, rough running, power loss, and unusual noises.
Electrical Troubleshooting:
Wiring diagrams, component testing procedures, and troubleshooting steps for electrical system faults.
Engine Rebuild:
Detailed steps for piston replacement, ring installation, crankshaft inspection, bearing checks, and cylinder head service.
Depth:
Comprehensive, suitable for professional technicians, covering from basic maintenance to complete engine rebuilds and advanced diagnostics.
Diagnostic Tools:
Guidance on using basic tools and techniques for diagnosis and repair.
Torque Specifications:
Comprehensive torque specifications for all critical fasteners and components.
Special Tools:
Identification and usage instructions for specialized tools required for certain procedures.
Engine Type:
Air-cooled, 4-stroke, DOHC, inline 4-cylinder
Displacement:
902 cc (55.1 cu in)
Bore X Stroke:
62.0 mm x 75.0 mm (2.44 in x 2.95 in)
Horsepower:
Approx. 75-80 HP (at crankshaft, model dependent)
Torque:
Approx. 7.5 - 8.0 kg-m (54 - 58 lb-ft) at 6000 rpm
Carburetors:
Four 30 mm Keihin CV (Constant Velocity) carburetors
Fuel Type:
Unleaded gasoline
Oil Capacity:
4.0 L (4.2 US qt) with filter change
Oil Specification:
API SE, SF or SG, SAE 10W-40 recommended (verify in manual)
Ignition Type:
CDI (Capacitor Discharge Ignition) with electronic advance
Oil Change Interval:
Every 4,000 km (2,500 miles) or 6 months (whichever comes first), with filter every second oil change (typical, verify in manual).
Valve Adjustment Interval:
Every 8,000 km (5,000 miles) or 12 months (typical, verify in manual).
Spark Plug Replacement:
Every 16,000 km (10,000 miles) (typical, verify in manual).
Brake Fluid:
DOT 3 or DOT 4 recommended (verify in manual).
Fork Oil Type:
Honda SS-7 or equivalent (e.g., 10W fork oil) (verify in manual).
Common Wear Items:
Cam chain tensioner (can become noisy/fail), stator (prone to failure), regulator/rectifier (can overheat and fail), fork seals, clutch wear.
Carburetor Issues:
Diaphragm wear in CV carbs, jetting issues requiring adjustment for altitude or modifications.
Electrical Issues:
Corrosion in connectors, aging wiring harnesses, weak battery charging due to stator/rectifier failure.
Tune Up Steps:
Detailed instructions for setting ignition timing, valve clearances, carburetor synchronization, idle speed, and air/fuel mixture.
Brand Legacy:
Honda is renowned for its engineering prowess, reliability, and performance in the motorcycle industry, building on decades of innovation.
Cb Series Lineage:
The CB900 series followed the highly successful CB750, offering increased displacement and performance, representing Honda's Superbike offerings of the era.
Production Period:
The CB900F and CB900C were produced roughly from 1979 through 1983.
Market Segment:
Large displacement sportbike (CB900F) and cruiser/custom style motorcycle (CB900C) for the 1980s.
