Segment:
Mid-size utility ATV (All-Terrain Vehicle).
Competitors:
Competed against models like Honda Rancher, Polaris Sportsman 400, and Yamaha Kodiak 400.
Features:
Known for its reliable engine, comfortable ride, and capable off-road performance for its class.
Audience:
Recreational riders, farmers, and utility users seeking a balanced and dependable ATV.
Engine:
Detailed diagnosis, disassembly, assembly, inspection, and repair of all engine components.
Transmission:
Service and repair procedures for the automatic transmission (CVT), including torque converter and differential.
Drivetrain:
Front and rear drive shafts, differentials, axle boots, and hub assemblies.
Suspension:
Front and rear suspension systems, shock absorbers, springs, control arms, bushings, and steering components.
Brakes:
Hydraulic brake system, including front and rear disc brakes, calipers, master cylinder, brake lines, and bleeding procedures.
Electrical:
Complete wiring diagrams, electrical component testing, ignition system, charging system, lighting, starter, and battery.
Fuel System:
Fuel pump, fuel filter, fuel injectors, fuel tank, and carburetor (if applicable to specific sub-models).
Cooling System:
Radiator, coolant, fan, thermostat, and water pump.
Exhaust System:
Exhaust manifold, muffler, and piping.
Frame And Body:
Chassis, frame components, body panels, fenders, racks, and seat assembly.
Controls:
Handlebar controls, throttle, brake levers, and foot pedals.
Wheels And Tires:
Wheel installation, tire pressure specifications, and rim maintenance.
Maintenance:
Regular maintenance procedures, including oil changes, filter replacements, lubrication, and valve adjustments.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues, including symptom-based troubleshooting guides.
Repair:
Detailed, step-by-step repair instructions for all major and minor components.
Disassembly And Assembly:
Complete breakdown and reassembly instructions for engine, transmission, and chassis components.
Torquing Specifications:
Precise torque values for all critical fasteners and bolts.
Wiring Diagrams:
High-quality, legible wiring diagrams for all electrical systems.
Specifications And Measurements:
All necessary measurement specifications for engine parts, clearances, and adjustments.
Depth:
Comprehensive, from basic maintenance to complete engine rebuilds and advanced electrical diagnostics.
Searchability:
Fully searchable text content for quick information retrieval.
Quality:
High-resolution, clear text and diagrams suitable for printing.
Binding:
N/A (Digital Download)
Paper:
N/A (Digital Download)
Operating Systems:
Compatible with all versions of Windows, macOS, and Linux.
Software:
Adobe Acrobat Reader or compatible PDF viewer.
Access:
Instant high-speed download upon purchase.
Engine Type:
4-stroke, SOHC, 1-cylinder, liquid-cooled
Bore X Stroke:
82.0 mm x 72.0 mm
Compression Ratio:
9.3 : 1
Horsepower:
Approx. 27 HP (at flywheel, varies by region and tuning)
Torque:
Approx. 28 Nm (at flywheel, varies by region and tuning)
Fuel Delivery:
Mikuni BSR36 carburetor (specific model may vary by market)
Fuel Type:
Unleaded gasoline, minimum 87 octane
Oil Type:
Suzuki Genuine 4-stroke Engine Oil SJ class or higher (SAE 10W-40 recommended for most temperatures)
Oil Capacity With Filter Change:
2.9 L (3.1 US qt)
Type:
Automatic (CVT - Continuously Variable Transmission)
Drive Modes:
2WD/4WD with Electric Differential Lock
Gear Selection:
Forward, Neutral, Reverse, Low Range (H, N, R, L)
Clutch:
Automatic centrifugal clutch
Final Drive:
Shaft drive (front and rear)
Engine Oil Change:
Every 1,000 km (600 miles) or 6 months, whichever comes first.
Oil Filter Replacement:
Every 2,000 km (1,200 miles) or 12 months.
Air Filter Cleaning:
Every 1,000 km (600 miles) or 6 months, clean and re-oil.
Spark Plug Inspection:
Every 2,000 km (1,200 miles) or 12 months.
Valve Clearance Check:
Every 4,000 km (2,400 miles) or 24 months.
Brake Fluid:
DOT 3 or DOT 4.
Coolant:
Suzuki Super Long Life Coolant (or equivalent ethylene glycol-based coolant with distilled water).
Final Drive Oil:
SAE 80 API GL-5 gear oil (Front & Rear Differential).
Common Issues:
Potential issues can include carburetor tuning sensitivity, starter solenoid failure, and wear on CV joint boots under heavy use. The manual addresses these with diagnostic procedures and repair steps.
Heritage:
Suzuki has a long history of producing reliable and capable motorcycles and ATVs, known for engineering prowess.
Evolution:
The 400 King Quad evolved from earlier Suzuki models, refining the chassis, engine, and suspension for improved performance and comfort.
Manufacturing Location:
Primarily manufactured in Japan.
Production Period:
The LT-F400F King Quad was produced for several years, with the 2008 model representing a mature iteration.
