Market Position:
The 2009 Suzuki LT-A750X KingQuad was positioned as a premium, high-performance utility ATV, known for its robust construction, powerful engine, and advanced features, targeting serious off-road enthusiasts and utility users.
Competitive Analysis:
Competed directly with other flagship utility ATVs from manufacturers like Yamaha (Grizzly 700), Polaris (Sportsman 800), and Can-Am (Outlander 800), often praised for its smooth power delivery, comfortable ride, and reliable drivetrain.
Key Features:
Fuel-injected 722cc liquid-cooled 4-stroke V-twin engine, Suzuki's fuel injection system (DFI), electric power steering (EPS) on some models, selectable 2WD/4WD with differential lock, independent front and rear suspension, disc brakes all around, and durable chassis.
Coverage Areas:
Complete service, repair, maintenance, troubleshooting, diagnostics, and specifications for the 2009 Suzuki LT-A750X KingQuad.
Page Count:
Estimated 500+ pages (typical for comprehensive service manuals of this type, specific count not provided but implied by detail).
Manual Type:
Digital Service and Repair Manual
Systems Covered:
Engine, Engine Lubrication System, Engine Cooling System, Fuel System, Ignition System, Starting System, Charging System, Exhaust System, Front Suspension, Rear Suspension, Wheels and Tires, Driveline/Axle, Drive Chain/Drive Train/Drive Shaft, Differential, Transfer, Propeller Shafts, Front Brakes, Rear Brakes, Parking Brake, Automatic Transmission, Steering, Handlebar, Body and Accessories, Wiring Systems, Lighting Systems, Combination Meter, Fuel Meter, Horn, Exterior Parts, Body Structure.
Emission Control Devices:
Information on emission control devices, including inspection and maintenance of associated components.
Engine Electrical Devices:
Detailed coverage of the CDI unit, stator, ignition coils, starter motor, and all related wiring and components.
Engine Mechanical:
Complete overhaul procedures for the V-twin engine, including cylinder head, pistons, crankshaft, camshafts, and valve train.
Driveline Axle:
In-depth coverage of front and rear drive shafts, CV joints, axles, wheel hubs, and the front differential.
Body And Accessories:
Includes procedures for removing and installing body panels, racks, seats, bumpers, and other accessories.
Procedures Included:
General maintenance, lubrication, disassembly, assembly, inspection, adjustment, troubleshooting, diagnostics, repair, and replacement of all major components and systems.
Troubleshooting Guides:
Extensive troubleshooting charts and diagnostic procedures for identifying and resolving common and uncommon problems across all systems.
Technical Depth:
Comprehensive. Covers everything from routine maintenance and fluid checks to in-depth engine rebuilds, transmission overhauls, suspension adjustments, electrical system troubleshooting, and body panel repairs. Includes detailed service data and specifications.
Torque Specifications:
Precise torque values for all critical fasteners and components are provided for accurate assembly.
Clearances And Tolerances:
Specifications for engine clearances (e.g., valve lash), bearing tolerances, and suspension geometry.
Primary Engine:
722cc (722 cm³) liquid-cooled, 4-stroke, V-twin, SOHC, 8-valve engine.
Horsepower Estimate:
Approximately 50-55 HP (exact figures often not published for ATVs, but based on displacement and class).
Torque Estimate:
Estimated 45-50 lb-ft (exact figures often not published for ATVs).
Fuel System:
Electronic Fuel Injection (DFI) with 40mm throttle body and dual injectors.
Ignition System:
Electronic ignition (transistorized spark advance), dual spark plugs per cylinder.
Cooling System:
Liquid cooling with fan assist.
Safety Ratings:
ATVs are not typically assigned NHTSA or IIHS ratings. Safety relies on rider skill, adherence to operating guidelines, and proper maintenance.
Active Features:
Engine braking, differential lock for improved traction, responsive hydraulic disc brakes.
Passive Features:
Full floorboards with heel guards, handlebar guards, comfortable seating position, robust frame construction.
Infotainment System:
Basic instrumentation: Combination meter includes speedometer, odometer, trip meter, fuel gauge, 2WD/4WD indicator, engine warning light, and neutral/reverse indicator.
Driver Assistance:
Optional Electric Power Steering (EPS) enhances steering effort, especially at low speeds and on rough terrain. Selectable 4WD and differential lock provide enhanced traction control.
Connectivity:
N/A (No digital connectivity features typically found on this model year utility ATV).
Oil Change Interval:
Typically every 1,000 miles or 6 months, or as specified in the manual's detailed schedule (engine oil and filter).
Spark Plug Replacement:
Recommended replacement every 3,000-4,000 miles or as per manual's specific torque and gap checks.
Air Filter Cleaning:
Requires frequent cleaning/replacement, especially in dusty conditions (e.g., every 500 miles or as needed).
Engine Oil Type:
Suzuki recommends Suzuki Genuine Oil or equivalent SAE 10W-40 API SG or higher.
Engine Oil Capacity:
Approx. 2.2 L (2.3 US qt) with oil filter change.
Coolant Type:
Suzuki Super Long Life Coolant (or equivalent ethylene glycol-based antifreeze with long-life additives).
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Gear Oil Type:
Suzuki Gear Oil (or equivalent SAE 80 hypoid gear oil) for front/rear differentials and transfer case.
Known Issues:
Common issues can include drive shaft spline wear (requiring lubrication), potential for some electrical connector corrosion in wet environments, and occasional throttle body or fuel injector cleaning needs due to fuel quality or usage conditions. The manual will guide on preventative measures and troubleshooting.
Brand Heritage:
Suzuki has a long-standing reputation in motorsports and powersports, known for its engineering prowess and reliable performance across motorcycles, ATVs, and marine engines.
Model Evolution:
The KingQuad line has evolved significantly, with the 750cc V-twin engine and chassis introduced in 2005 (LT-V700F) and refined with fuel injection and the 722cc displacement for the LT-A750X in 2008. The 2009 model represents a mature iteration of this popular platform.
Production Years Variant:
The LT-A750X KingQuad was produced with this powertrain and chassis configuration roughly from 2008 through 2018, with various updates and trim levels.
