Category:
High-performance utility ATV (All-Terrain Vehicle)
Target Audience:
Recreational riders, hunters, farmers, outdoor enthusiasts requiring a robust and capable off-road machine
Key Competitors:
Yamaha Grizzly, Honda Foreman/Rancher, Polaris Sportsman, Kawasaki Brute Force
Competitive Advantage:
Known for its agile handling, powerful engine, and reliable shaft-driven 4WD system, often praised for its value proposition.
Engine Type:
Liquid-cooled, 4-stroke, SOHC, V-twin (for some configurations, though the 450 typically uses a single cylinder)
Drivetrain:
Automatic (CVT) transmission with Hi/Lo range, selectable 2WD/4WD, and torque-sensing front differential (T-EPS)
Suspension:
Independent front and rear suspension for enhanced ride comfort and handling over rough terrain
Braking:
Hydraulic disc brakes front and rear, often with sealed rear brake system
Engine System:
Complete engine overhaul, diagnostics, tuning, fuel injection, ignition system, cooling system, exhaust system
Transmission Drivetrain:
Automatic transmission (CVT), differential units (front and rear), driveshafts, axles, clutch system
Chassis Suspension:
Frame inspection and repair, front and rear suspension systems (A-arms, shocks, springs), steering system
Brakes:
Hydraulic brake system (front and rear), master cylinders, calipers, brake lines, parking brake
Electrical System:
Wiring diagrams, battery, charging system (stator, regulator/rectifier), starter motor, lighting system, ignition switch, ECU (Engine Control Unit), sensors
Bodywork Plastics:
Body panel removal and installation, fender components, seat assembly, handlebar components, storage compartments
Wheels Tires:
Wheel bearing replacement, tire pressure recommendations, wheel nut torque specifications
Troubleshooting:
Diagnostic charts, symptom-based troubleshooting guides, common problem solutions
Estimated Pages:
Likely 300-500+ pages, typical for a comprehensive service manual
Type:
Factory Authorized Service Manual / Repair Manual
Digital Format:
PDF Download
Engine Management:
Detailed coverage of fuel injection system, EFI control unit (ECU) operation, sensor inputs and outputs, idle speed control, ignition timing
Drivetrain Maintenance:
CVT belt inspection and replacement intervals, gearbox oil change procedures and specifications, front and rear differential service
Suspension Handling:
Front and rear shock absorber adjustment, spring preload settings, ball joint inspection, tie rod end replacement
Electrical Diagnostics:
Comprehensive wiring diagrams for all circuits, component testing procedures for sensors and actuators, multimeter usage for troubleshooting
Routine Maintenance:
Oil and filter changes, air filter cleaning/replacement, spark plug replacement, valve clearance checks and adjustments
Major Repairs:
Engine rebuild procedures, transmission overhaul, cylinder head removal and installation, crankshaft and connecting rod replacement
Component Replacement:
Radiator removal, water pump replacement, starter motor diagnosis and replacement, fuel pump testing and replacement
Troubleshooting Fault Finding:
Step-by-step diagnostic procedures for common issues such as starting problems, poor performance, over-heating, electrical faults
Depth:
Comprehensive: Covers everything from basic owner maintenance to complete engine and transmission rebuilds. Includes detailed specifications, torque values, diagnostic procedures, and wiring diagrams.
Diagnostics:
Advanced diagnostic procedures, fault code interpretation (if applicable to the era's EFI system), sensor data analysis
Repair Techniques:
Detailed instructions for disassembly, inspection, repair, and reassembly of all major components and systems
Searchability:
Likely text-searchable PDF, allowing for quick lookup of specific terms and procedures
Resolution:
Typically high resolution, suitable for printing individual pages or the entire manual
Binding:
Not applicable (digital download)
Paper:
Not applicable (digital download)
Engine Family:
Suzuki 450cc Class Single-Cylinder EFI
Displacement:
Approximately 449cc
Bore X Stroke:
Example: 94.0 mm x 82.0 mm (check specific model for exact figures)
Engine Layout:
Single-cylinder, liquid-cooled, 4-stroke, SOHC, 4-valve
Horsepower Estimate:
Around 27-30 HP (chassis dyno estimation, depends heavily on specific tuning and conditions)
Torque Estimate:
Around 25-28 lb-ft (chassis dyno estimation)
Fuel Delivery:
Electronic Fuel Injection (EFI) with throttle body
Fuel Type:
Unleaded gasoline, minimum 87 octane
Type:
Liquid-cooled with fan assist
Coolant Type:
Suzuki Long Life Coolant (or equivalent ethylene glycol-based antifreeze) - typically 50/50 mix with distilled water
Transmission Type:
Automatic (CVT - Continuously Variable Transmission)
Gear Selection:
High (H), Low (L), Neutral (N), Reverse (R), Park (P)
Optional Transmission:
N/A (CVT is standard)
Drivetrain Modes:
2WD / 4WD selectable, with Torque-Sensing Front Differential (T-EPS)
Final Drive:
Shaft drive to front and rear differentials
Transmission Fluid Type:
Suzuki recommends specific CVT fluid (e.g., Suzuki CVT Fluid, P/N 990A0-31210) or an equivalent. Check manual for precise specification.
Transmission Oil Capacity:
Approx. 0.9 L (verify in manual)
Front Differential Oil Capacity:
Approx. 0.2 L (verify in manual)
Rear Differential Oil Capacity:
Approx. 0.3 L (verify in manual)
Length:
Approx. 82.1 inches (2085 mm)
Width:
Approx. 45.3 inches (1150 mm)
Height:
Approx. 47.0 inches (1195 mm)
Wheelbase:
Approx. 50.2 inches (1275 mm)
Ground Clearance:
Approx. 10.2 inches (260 mm)
Dry Weight:
Approx. 590 lbs (268 kg)
Curb Weight:
Approx. 617 lbs (280 kg) (with all necessary fluids)
Towing Capacity:
300 kg (661 lbs)
Rack Capacity Front:
30 kg (66 lbs)
Rack Capacity Rear:
70 kg (154 lbs)
Fuel Tank Capacity:
4.6 US gal (17.5 L)
Atv Safety Standards:
Meets ANSI and industry standards for ATV safety (as applicable for the era)
Braking System:
Dual front hydraulic disc brakes, sealed rear hydraulic disc brake
4Wd System:
Torque-sensing limited-slip front differential provides enhanced traction without steering wheel kickback typical of traditional 4WD systems.
Ergonomics:
Full floorboards with heel guards, comfortable seating position for long rides
Lighting:
Dual 30W headlights, 15W taillight/stoplight
Infotainment System:
N/A (Utility ATV focused, typically no complex infotainment systems)
Traction Control:
Advanced torque-sensing front differential (T-EPS) provides automatic limited-slip 4WD functionality, enhancing traction and control without active driver input.
Connectivity Features:
N/A (Utility ATV focused)
ECU Features:
Engine Control Unit (ECU) manages fuel injection and ignition timing for optimal performance and emissions control.
Engine Oil Change:
Every 20 hours of operation or annually, whichever comes first.
Air Filter Cleaning:
Every 20 hours of operation or semi-annually. Clean more frequently in dusty conditions.
Spark Plug Replacement:
Check at 100 hours, replace as needed. Recommended replacement interval typically around 400 hours.
Valve Clearance Check:
Every 40 hours or annually.
Transmission Oil Change:
Every 40 hours of operation or annually.
Engine Oil Type:
Suzuki recommends SAE 10W-40 API SG or higher. Verify with manual for exact specifications.
Engine Oil Capacity:
Approx. 2.1 L (with filter change) - verify with manual.
Common Wear Items:
CVT belt wear, wheel bearings, ball joints, tie rod ends, starter brushes
Potential Efi Quirks:
Occasional sensor issues (e.g., throttle position sensor) or fuel injector clogging can occur, typically addressable with proper maintenance and cleaning as detailed in the manual.
Suspension Bushings:
Bushings in control arms can wear over time, leading to play and reduced handling precision.
Suzuki Atv Legacy:
Suzuki has a long-standing reputation for producing reliable and performance-oriented ATVs, dating back to the early days of the industry.
Kingquad Lineage:
The KingQuad 450 is a key model in Suzuki's utility ATV lineup, evolving from earlier KingQuad generations and sharing components and design philosophy with other popular Suzuki models.
Predecessor Relation:
Shares lineage with the KingQuad 700 and paved the way for subsequent KingQuad models with its 450cc platform.
Manufacturing Location:
Typically manufactured by Suzuki Motor Corporation, with assembly locations potentially in Japan or North America.
Industry Awards:
While specific awards for the 2007-2009 model may not be widely publicized, the KingQuad line has consistently received positive reviews and recognition for its utility, performance, and value within the ATV market.
Consumer Satisfaction:
Generally high consumer satisfaction for reliability and capability, often praised for its robust build and off-road prowess.
