Segment:
Cruiser Motorcycle
Target Audience:
Owners and independent mechanics seeking detailed information for maintenance and repair of the Suzuki Intruder VS1400.
Key Competitors Era:
Honda Shadow, Yamaha Virago, Kawasaki Vulcan
Manual Value Proposition:
Comprehensive, accurate, and officially sanctioned repair information for in-depth maintenance and repair, saving time and money on dealership services.
Vehicle Appeal:
Known for its torquey V-twin engine, comfortable cruiser ergonomics, and classic styling.
Primary Coverage:
Complete Service and Repair
Systems Covered:
Engine, Transmission, Drivetrain, Chassis, Suspension, Brakes, Electrical System, Fuel System, Cooling System, Exhaust System, Bodywork, Troubleshooting, Specifications
Estimated Page Count:
Refer to individual manual's specific page count (typically 300-500 pages for this era)
Type:
Factory Service Manual / Workshop Manual
Engine:
Detailed breakdown of the 1400cc V-twin engine, including cylinder head, valve train, pistons, crankshaft, camshafts, lubrication, and cooling systems.
Transmission Drivetrain:
5-speed constant mesh transmission, clutch assembly, drive shaft, and final drive unit.
Brakes:
Front and rear brake systems, including caliper servicing, master cylinder, brake lines, and bleeding procedures.
Electrical System:
Wiring diagrams, ignition system, charging system (stator, regulator/rectifier), lighting, starter motor, and battery maintenance.
Fuel System:
Carburetor disassembly, cleaning, and adjustment (likely Mikuni BS34 or similar), fuel pump, and fuel lines.
Maintenance:
Routine maintenance tasks such as oil changes, filter replacements, spark plug service, air filter cleaning, and lubrication points.
Repair:
Step-by-step instructions for component disassembly, inspection, repair, and reassembly for all major systems.
Troubleshooting:
Diagnostic procedures for common issues, symptom-based troubleshooting charts, and diagnostic codes.
Specifications:
Torque values, clearances, fluid capacities, electrical specifications, and diagnostic parameters.
Depth:
Comprehensive; covers everything from basic fluid checks and adjustments to full engine and transmission rebuilds.
Compatibility:
All Versions of Windows, Mac, and Linux
Readability:
Requires Adobe PDF Reader
Binding:
Digital Download (Printable)
Digital Paper Type:
N/A (Digital)
Download:
Instant High-Speed Download
Engine Type:
Four-stroke, air-cooled, SOHC, 4-valve per cylinder, V-twin
Displacement:
1362 cc (83.2 cu. in.)
Bore X Stroke:
80.0 mm x 68.0 mm (3.15 in. x 2.68 in.)
Horsepower Estimated:
Approx. 60-70 HP @ 4800-5000 RPM (actual figures vary by source and market)
Torque Estimated:
Approx. 77-85 lb-ft @ 2800-3200 RPM (actual figures vary by source and market)
Fuel Delivery:
Dual Mikuni BS34 carburetors (or similar Japanese dual-throat carburetors)
Fuel Type:
Unleaded gasoline
Cooling Method:
Air-cooled
Oil Type:
API SE/SF/SG or JASO MA certified motorcycle oil, SAE 10W-40 recommended
Oil Capacity W Filter:
Approx. 3.2 Liters (3.4 US qt)
Safety Ratings Era:
N/A (Motorcycle safety is not rated by governmental bodies like NHTSA in the same way as cars).
Braking System:
Hydraulic disc brakes front and rear.
Lighting:
Halogen headlight, taillight, brake light, turn signals.
Frame Construction:
Steel cradle frame designed for stability and rider comfort.
Oil Change Interval:
Every 3,000 miles or 6 months, whichever comes first. Manual will specify exact mileage/time.
Air Filter Service:
Clean every 3,000 miles, replace as needed. Manual will provide specific interval.
Spark Plug Replacement:
Refer to manual for specific mileage interval (typically 10,000-15,000 miles).
Valve Adjustment:
Recommended every 7,500 - 10,000 miles (check manual for precise interval).
Engine Oil Viscosity:
10W-40
Brake Fluid Type:
DOT 3 or DOT 4 (refer to manual for exact specification)
Final Drive Gear Oil:
Refer to manual for specific GL rating and viscosity (e.g., GL-5 80W-90 is common but verify).
Common Wear Items:
Clutch plates, brake pads, tires, fork seals, and electrical connectors can be common wear items.
Carburetor Tuning:
Carburetors may require periodic cleaning and synchronization for optimal performance, especially on older models.
Charging System Reliability:
Regulator/rectifiers and stators can be points of failure over time; manual provides testing procedures.
Manufacturer Origin:
Japan
Development Focus:
Suzuki aimed to create a potent, stylish cruiser with the character of its large V-twin engines.
Updates Within Range:
Minor updates and color changes throughout the 1988-1993 period, with the core mechanics remaining consistent.
Production Location:
Japan
Production End Year Specific Model:
The VS1400 model line continued beyond 1993, evolving into the Boulevard S83. This manual specifically covers the earlier 1988-1993 iterations.
