Positioning:
A comprehensive DIY resource for owners of the Suzuki KingQuad 400 series ATVs, enabling self-sufficient maintenance and repair.
Value Proposition:
Offers unparalleled detail and clarity for servicing specific model years, positioning it as a vital tool for cost-effective ATV ownership and maintenance.
Ease Of Use:
Designed for users who want to perform their own maintenance and repairs ('DO IT YOURSELF').
Coverage:
Claims to be the most complete repair manual ever compiled for the specified models.
Engine:
Engine disassembly, assembly, tuning, lubrication, cooling system, fuel system (carburetor), ignition system, exhaust system
Driveline Axle:
Front and rear driveshafts, differentials, driveshafts, CV joints, wheel hubs
Transmission Transaxle:
Automatic transmission (CVT) operation, maintenance, internal components, final drive
Suspension:
Front and rear suspension systems, shock absorbers, springs, control arms, bushings, alignment
Brakes:
Front and rear brake system maintenance, disc brake service, hydraulic systems, brake lines, calipers, master cylinder
Steering:
Steering system components, tie rods, steering column, steering knuckle, alignment
Body Accessories:
Body panel removal and installation, seat, handlebars, fenders, racks, lights, electrical accessories
Electrical System:
Wiring diagrams, battery, charging system, ignition system, lighting, starter, instrumentation
Routine Maintenance:
Oil changes, filter replacements, lubrication points, air filter cleaning/replacement, spark plug service, valve clearance adjustment
Troubleshooting:
Diagnostic procedures for common problems, fault finding guides, symptom-based troubleshooting
Repair Rebuild:
Detailed step-by-step instructions for engine, transmission, suspension, brake, and electrical system component repair and overhaul
Specifications:
Torque specifications, fluid capacities, clearances, settings, and tolerances for all major components
Depth:
In-depth technical information suitable for DIY mechanics and professional technicians, covering everything from routine maintenance to complete engine rebuilds.
Compatibility:
All Versions of Windows & Mac
Requirements:
Adobe PDF Reader
Printability:
All pages are printable
Diagram Quality:
High quality diagrams
Binding:
N/A (Digital PDF Download)
Paper:
N/A (Digital PDF Download)
Storage Requirements:
Can be very large, up to 1 Gig (user advised to check storage space)
Delivery Method:
Instant download via email
Type:
4-stroke, SOHC, 1-cylinder, air-cooled
Displacement:
376 cc (22.9 cu. in.)
Bore X Stroke:
82.0 mm x 71.2 mm (3.23 in. x 2.80 in.)
Horsepower:
Approximately 20-22 HP (estimate, varies slightly by model year and exact tuning)
Torque:
Approximately 18-20 lb-ft (estimate)
Carburetor Type:
Mikuni BNS36 (typically) with Accelerator Pump
Fuel Type:
Unleaded gasoline, Octane Rating 87 or higher
Oil Type:
SAE 10W-40 API SE, SF, or SG
Oil Capacity:
Approx. 2.4 L (2.5 US qt.) without filter change, 2.6 L (2.7 US qt.) with filter change
Ignition System:
CDI (Capacitor Discharge Ignition)
Cooling Method:
Air-cooled
Type:
Automatic (CVT - Continuously Variable Transmission) with selectable 2WD/4WD and differential lock
Gearbox:
N/A (CVT is standard)
Drive Modes:
2WD, 4WD, 4WD with Differential Lock
Cvt Fluid Type:
Suzuki Premium Gear Oil (GL-5) or equivalent (check manual for specific viscosity recommendation)
Final Drive Oil Capacity:
Approx. 0.2 L (0.2 US qt.)
Overall Length:
Approx. 2,055 mm (80.9 in.)
Overall Width:
Approx. 1,065 mm (41.9 in.)
Overall Height:
Approx. 1,170 mm (46.1 in.)
Wheelbase:
Approx. 1,285 mm (50.6 in.)
Ground Clearance:
Approx. 255 mm (10.0 in.)
Dry Weight:
Approx. 257 kg (567 lbs) for 4x4 models, 247 kg (545 lbs) for 2x4 models
Curb Weight:
Not explicitly stated, but generally higher than dry weight
Front Rack Capacity:
Approx. 45 kg (99 lbs)
Rear Rack Capacity:
Approx. 85 kg (187 lbs)
Towing Capacity:
Approx. 300 kg (661 lbs)
Fuel Tank Capacity:
Approx. 16.0 L (4.2 US gal.), including 3.5 L (0.9 US gal.) reserve
Safety Standards:
ATVs are not subject to the same safety rating systems as passenger cars (e.g., NHTSA star ratings). This manual focuses on mechanical safety and proper operation.
Braking System:
Dual hydraulic disc brakes (front), Sealed hydraulic disc brake (rear). Parking brake mechanism.
Tire Specifications:
Front: AT25x8-12, Rear: AT25x10-12 (typical)
Chassis Design:
Sturdy frame construction, integrated front and rear bumpers, footwells with heel guards.
Lighting:
Dual 30W headlights, 8W taillight/stoplight.
Features:
Minimalist dashboard with essential indicators (speed, odometer, fuel, gear indicator, 2WD/4WD indicator). No advanced infotainment systems are present.
Features:
Basic, focus is on mechanical systems. Features like selectable 4WD with differential lock enhance off-road capability.
Features:
No modern connectivity features like Bluetooth or smartphone integration.
Engine Oil Change:
Every 1,000 km (600 mi) or 6 months, whichever comes first (refer to manual for specific conditions).
Air Filter Cleaning:
Check every 500 km (300 mi) or 3 months, clean as needed, replace if damaged.
Spark Plug Replacement:
Every 3,000 km (1,800 mi) or 18 months.
Valve Clearance Check:
Every 3,000 km (1,800 mi) or 18 months.
Engine Oil Grade:
SAE 10W-40 API SE, SF, or SG
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid (check manual for exact specification)
Final Drive Oil Type:
Suzuki Premium Gear Oil (GL-5) or equivalent SAE 80W-90
Common Wear Items:
CV boots, tie rod ends, wheel bearings, brake pads, and suspension bushings are common wear items on ATVs subjected to regular off-road use.
Carburetor Tuning:
Carburetors can sometimes require adjustment or cleaning due to fuel quality or debris, especially after periods of storage.
Suzuki Atv Legacy:
Suzuki has a long history of producing robust and capable ATVs, with the KingQuad line being a cornerstone of their off-road offerings, known for reliability and performance.
Kingquad 400 Development:
The LT-A400/F400 KingQuad represents a generation of mid-size utility ATVs that built upon earlier Suzuki designs, focusing on a balance of power, maneuverability, and utility for various off-road applications.
Manufacturing Location:
Typically manufactured in Japan or through Suzuki's global manufacturing network.
