Target Audience:
Honda motorcycle owners seeking to perform their own maintenance and repairs, independent repair shops, and enthusiasts.
Value Proposition:
Provides access to the same detailed information used by professional technicians, enabling in-depth understanding and execution of repairs for these classic Honda motorcycles.
Features:
Detailed pictures and diagrams, step-by-step procedures, comprehensive diagnostic and troubleshooting sections, covers all maintenance to rebuild tasks.
Engine:
Complete engine disassembly, assembly, tuning, diagnosis, and repair including valve clearance, timing, carburetor servicing, and internal component replacement.
Fuel System:
Carburetor identification, adjustment, cleaning, rebuilding, fuel pump operation (if applicable), fuel tank and lines servicing.
Ignition System:
Ignition timing adjustment, coil testing, spark plug specifications, points and condenser servicing (for applicable models), CDI unit diagnosis.
Drivetrain:
Clutch operation, adjustment, and replacement; transmission disassembly, inspection, and assembly; final drive maintenance (chain/sprockets or shaft drive if applicable).
Electrical System:
Wiring diagrams, charging system (stator, regulator/rectifier), starting system (starter motor, battery), lighting circuits, instrumentation, fuses, and relays.
Brakes:
Brake system servicing for both front and rear brakes (disc and drum), hydraulic system bleeding, pad/shoe replacement, caliper/cylinder servicing.
Suspension And Steering:
Front fork servicing (oil changes, seal replacement), rear shock absorber maintenance, steering head bearing adjustment and replacement, wheel bearing inspection.
Frame And Bodywork:
Frame inspection, removal and installation of body panels, seat, fenders, handlebars, and associated hardware.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, chain lubrication and adjustment, bolt torque checks, tire pressure monitoring.
Repair:
Step-by-step instructions for component repair and replacement, from minor adjustments to major overhauls.
Diagnostics And Troubleshooting:
Systematic approaches to identifying and resolving common and complex issues, symptom-based troubleshooting charts.
Tune Up:
Comprehensive procedures for optimizing engine performance, including carburetor synchronization and ignition timing.
Rebuilding:
Detailed guidance for full engine rebuilds and component overhauls.
Carburetor Synchronization:
Detailed procedures for synchronizing the multiple carburetors for optimal engine running.
Engine Timing:
Ignition timing setup and adjustment, valve timing checks and adjustments.
Wheel And Tire:
Wheel bearing maintenance, spoke tension adjustment (if applicable), tire replacement guidance.
Chassis Alignment:
Procedures for checking and adjusting chassis geometry and steering head bearings.
Special Tools:
Lists and descriptions of specialized tools required for specific procedures, aiding in preparation for maintenance.
Depth Of Information:
Comprehensive, covering basic maintenance to complex internal engine repairs and electrical system diagnostics, mirroring professional technician resources.
Engine Type:
Air-cooled, 4-stroke, DOHC, Inline-4 Cylinder
Displacement:
CB350F: 347cc; CB400F: 408cc
Horsepower Cb350F:
Approximately 34 hp @ 9,000 rpm (specifications may vary slightly by year/market)
Horsepower Cb400F:
Approximately 37 hp @ 9,000 rpm (specifications may vary slightly by year/market)
Torque Cb350F:
Approximately 21 lb-ft @ 7,000 rpm (specifications may vary slightly by year/market)
Torque Cb400F:
Approximately 23 lb-ft @ 7,500 rpm (specifications may vary slightly by year/market)
Carburetors:
Multiple carburetors (typically 4 x Keihin carburetors, specific size varies by model/year)
Fuel Delivery:
Gravity feed from fuel tank
Oil Change Interval:
Typically every 3,000 miles or 6 months (refer to manual for exact specifications).
Valve Clearance Check:
Typically every 6,000 miles or 12 months (critical for inline-fours).
Chain Adjustment Lubrication:
Recommended every 500-1000 miles or as needed based on slack and cleanliness.
Engine Oil Type:
API SG or higher, SAE 10W-40 or 20W-50 (check manual for specific viscosity based on temperature).
Engine Oil Capacity:
Approx. 2.5 - 3.0 Liters (with filter change) - consult manual.
Brake Fluid Type:
DOT 3 or DOT 4 (for hydraulic systems) - consult manual.
Common Wear Items:
Carburetor tuning, ignition points, valve stem seals, fork seals, and brake components are common areas requiring attention due to age.
Electrical Gremlins:
Aging wiring harnesses and connectors can lead to intermittent electrical issues, covered by troubleshooting in the manual.
Engine Performance Degradation:
Carbon buildup, valve seat wear, and carburetor wear can affect performance; the manual details procedures to address these.
