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Suzuki

Suzuki KingQuad 450 Service Manual Repair 2007-2010 LT-A450X

Suzuki KingQuad 450 Service Manual Repair 2007-2010 LT-A450X

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Vehicle data plateRef 27591
Brand
Suzuki
Vehicle
ATV
Models covered
KingQuad 450, LT-A450X, Quadrunner
Years
2007, 2008, 2009, 2010
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

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đŸ·ïž Basic Information
Identification
Make:
Suzuki
Model:
KingQuad 450
Model Code:
LT-A450X
Model Variant:
4WD
Generation
Generation:
First Generation
Production Years Covered:
2007, 2008, 2009, 2010
Codes
Chassis Code:
LT-A450X
Engine Code:
Less commonly specified for ATVs, but engine family is K5
👋 Introduction
Market Position
Market Segment:
High-performance utility ATV (All-Terrain Vehicle)
Target Audience:
Off-road enthusiasts, farmers, hunters, recreational riders requiring a robust and capable ATV.
Competitive Analysis
Key Competitors:
Polaris Sportsman, Honda FourTrax/Rancher, Yamaha Grizzly, Kawasaki Brute Force.
Key Features
Vehicle Features:
Suzuki's advanced fuel injection (EFI) system (later models), rugged chassis, independent suspension, powerful engine, selectable 4WD, powerful disc brakes.
Manual Value Proposition
Value:
Provides DIY mechanics and owners with factory-level information to maintain, troubleshoot, and repair their KingQuad 450, saving on costly professional service.
Replacement Policy:
Free replacement offered if the manual is lost.
📋 Manual Details
Coverage Areas
Primary Coverage:
2007-2010 Suzuki KingQuad 450 (LT-A450X)
Page Count
Page Count:
528
Manual Type
Manual Type:
Factory Service Manual / Repair Manual
Language
Language:
English
Format
Format:
PDF Download
📖 Manual Coverage
Systems Covered
Engine:
Complete disassembly, inspection, repair, and reassembly of the 450cc engine (including cylinder head, piston, crankshaft, camshaft, valves, lubrication system, cooling system).
Fuel System:
Carburetor (Mikuni BSR36) tuning, cleaning, rebuilding, jetting specifications, fuel pump operation, fuel tank, fuel lines.
Transmission:
Automatic transmission (CVT), torque converter, primary and secondary clutch operation, gear shifting mechanism, reverse gear, drive shaft, propeller shaft, differential.
Drivetrain:
4WD system operation, electronic engagement, front differential, rear differential, axles, CV joints, wheel hubs.
Suspension:
Front A-arm suspension, rear swingarm suspension, shock absorbers, springs, linkage systems, adjustment procedures, wheel alignment.
Brakes:
Hydraulic disc brakes (front and rear), brake calipers, brake pads, brake lines, master cylinders, parking brake, bleeding procedures.
Electrical System:
Ignition system (CDI, spark plug), starting system (electric start, starter motor), charging system (stator, regulator/rectifier), battery, lighting (headlights, taillights, brake lights), fuses, wiring diagrams, switches.
Bodywork:
Frame inspection, plastic body panels, fenders, seat, handlebars, racks, mounting procedures.
Procedures Included
Maintenance:
Scheduled maintenance, oil changes, filter replacements (oil, air), spark plug maintenance, lubrication points, coolant flush, brake fluid change, tire pressure checks.
Troubleshooting:
Diagnostic procedures for common problems (e.g., no spark, engine misfires, starting issues, electrical faults, transmission problems), error code interpretation.
Repair:
Detailed step-by-step instructions for component repair, replacement, and adjustment across all covered systems.
Rebuild:
Complete engine teardown and rebuild procedures, transmission overhaul, differential rebuild.
Installation:
Guidance on installation of common replacement parts and accessories.
Technical Depth
Depth:
Comprehensive: Covers everything from basic routine maintenance to complete engine and transmission rebuilds, including advanced diagnostics and specifications.
Visuals:
Includes numerous photographs, illustrations, and part diagrams to aid in identification and procedure execution.
Specifications:
Detailed torque specifications for all critical fasteners, engine clearances, fluid capacities, and component measurements.
📊 Manual Specifications
File Format
File Format:
PDF
Searchability:
Searchable text
Saving Options:
Save to disc capability
Print Quality
Print Rights:
Printable
Binding Type
Binding Type:
Not Applicable (Digital Download)
Paper Type
Paper Type:
Not Applicable (Digital Download)
Navigation
Navigation:
Clickable chapters
⚙ Engine Specifications
Primary Engine
Engine Type:
4-stroke, Liquid-cooled, DOHC, Single Cylinder
Displacement:
449 cc (27.4 cu. in.)
Bore X Stroke:
94.0 mm x 81.0 mm (3.70 in. x 3.19 in.)
Compression Ratio:
9.3:1
Valve Train:
DOHC, 4 valves per cylinder
Cooling System:
Liquid-cooled with fan
Performance
Horsepower:
Approximately 28-30 HP (figures vary slightly by year and test conditions)
Torque:
Approximately 27-29 lb-ft (figures vary slightly by year and test conditions)
Fuel System
Fuel Delivery:
Carburetor (Mikuni BSR36) for 2007-2008 models; Electronic Fuel Injection (EFI) for 2009-2010 models (check specific model year for exact configuration).
Fuel Type:
Unleaded gasoline, 87 octane minimum
Ignition
Ignition System:
Electronic ignition (CDI)
Lubrication
Oil Type:
SAE 10W-40 API SG or higher, JASO MA certified
Oil Capacity:
Approx. 2.1 L (2.2 US qt) with filter change
🔧 Transmission
Standard
Transmission Type:
Automatic (CVT - Continuously Variable Transmission)
Drive Selection:
2WD / 4WD with locking front differential (electronically selectable)
Features
Gear Reduction:
High and Low range
Reverse:
Standard
Fluid Specifications
Cvt Fluid Type:
API GL-4 Gear Oil SAE 80W-90 (for final drive and transmission)
📐 Dimensions
Exterior
Overall Length:
Approx. 2,040 mm (80.3 in.)
Overall Width:
Approx. 1,155 mm (45.5 in.)
Overall Height:
Approx. 1,160 mm (45.7 in.)
Wheelbase:
Approx. 1,285 mm (50.6 in.)
Ground Clearance:
Approx. 250 mm (9.8 in.)
Weights
Dry Weight:
Approx. 261 kg (575 lbs)
Curb Weight:
Approx. 277 kg (611 lbs)
Max Towing Capacity:
Not officially specified for this model, but generally rated for light towing (e.g., 500-800 lbs).
Max Rack Capacity Front:
Approx. 40 kg (88 lbs)
Max Rack Capacity Rear:
Approx. 70 kg (154 lbs)
đŸ›Ąïž Safety Features
Ratings
Atv Safety Standards:
Designed to meet ANSI standards for recreational off-highway vehicles.
Active Features
Braking System:
Hydraulic disc brakes front and rear, front and rear brake levers, thumb throttle, parking brake.
Drivetrain Control:
Selectable 4WD with locking differential for enhanced traction.
Passive Features
Frame Construction:
Durable tubular steel frame.
Lighting:
Dual headlights, taillight/stoplight for visibility.
Ergonomics:
Comfortable seating position, handlebar design for control.
💡 Technology Features
Infotainment
Infotainment System:
N/A (Basic ATV, no infotainment system)
Driver Assistance
Traction Control:
Limited Slip Differential (front), Electronic 4WD engagement.
Connectivity
Connectivity Features:
N/A (Basic ATV, no connectivity features)
Engine Management
Efi System:
Available on 2009-2010 models, providing improved fuel efficiency, throttle response, and easier starting in various conditions.
🔧 Maintenance
Service Intervals
Engine Oil Change:
Every 100 hours or 6 months, whichever comes first.
Oil Filter Replacement:
Every 100 hours or 12 months.
Air Filter Cleaning:
Every 20 hours or monthly; replace as needed.
Spark Plug Inspection:
Every 100 hours or 6 months.
Valve Clearance Check:
Every 100 hours or 12 months.
Fluid Specifications
Engine Oil:
SAE 10W-40 API SG or higher, JASO MA
Coolant:
Ethylene glycol-based antifreeze (50% solution with distilled water)
Brake Fluid:
DOT 4 Hydraulic Brake Fluid
Final Drive Gear Oil:
API GL-5 Gear Oil SAE 80W-90
Known Issues
Common Wear Items:
CV boots, brake pads, tires, drive belts (CVT).
Potential Problems:
Carburetor jetting issues (early models), occasional electrical connector corrosion in wet environments, drive clutch wear with heavy use.
📚 Vehicle History
Brand Heritage
Manufacturer Heritage:
Suzuki has a long-standing reputation in the powersports industry, known for reliable and performance-oriented vehicles.
Model Evolution
Kingquad Lineage:
The KingQuad line represents Suzuki's flagship utility ATV offering, evolving from earlier models with continuous improvements in power, suspension, and technology.
Lt-A450X Introduction:
The LT-A450X was introduced to offer a potent 450cc option in the utility ATV market, bridging the gap between smaller displacement models and larger V-twin offerings.
Production
Production Era:
Covered by this manual spans the initial production run of the 450cc KingQuad.
🏆 Awards & Recognition
Recognitions
Atv Awards:
Suzuki KingQuads consistently receive positive reviews for their utility and performance from powersports publications.

Delivery & file format

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Check the model year and engine before you buy

Manufacturers change procedures, wiring and part numbers between model years and engine options. If your VIN plate shows a year or engine code that is not listed on the data plate above, contact us with the model, year and VIN and we will confirm coverage before you order.

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