Positioning:
The Suzuki KingQuad 750AXi has historically been positioned as a premium, high-performance utility ATV, known for its robust engine, advanced features, and capable off-road performance. It competes in the top tier of the utility ATV market.
Competitors:
Key competitors for this model year include the Yamaha Grizzly 700, Polaris Sportsman 700/800 EFI, and Can-Am Outlander 800.
Features:
Independent Rear Suspension (IRS), Electronic Fuel Injection (EFI), selectable 2WD/4WD with Differential Lock, Power Steering (AXi designation), large cargo racks, liquid-cooled engine.
Engine Systems:
Fuel Injection (DFI), Ignition System, Starting System, Lubrication System, Cooling System, Cylinder Head, Cylinder Block, Piston, Crankshaft, Camshaft, Valve Train
Drivetrain Systems:
Automatic Transmission (CVT), Drive Shafts, Front Differential, Rear Differential, Wheel Hubs, Axles
Chassis Systems:
Frame, Suspension (Front & Rear), Steering System, Braking System (Hydraulic Disc), Wheels & Tires
Electrical Systems:
Battery, Charging System (Stator, Regulator/Rectifier), Lighting System (Headlights, Taillights, Indicators), Instrumentation, Wiring Diagrams, ECU (Engine Control Unit), Sensors
Body Systems:
Body Panels, Seats, Handlebars, Footrests, Fenders, Racks
Maintenance:
Regular Inspections, Oil Changes, Filter Replacements, Lubrication, Chain Adjustments (if applicable, though this is shaft-driven), Spark Plug Service, Air Filter Cleaning/Replacement
Repair:
Engine Overhaul, Transmission Disassembly/Reassembly, Suspension Component Replacement, Brake System Bleeding/Overhaul, Electrical Component Diagnosis and Replacement, Steering System Repair
Troubleshooting:
Diagnostic Procedures, Symptom-Based Troubleshooting Guides, Fault Code Interpretation (for DFI systems)
Technical Data:
Torque Specifications, Electrical Specifications, Component Measurements, Clearance Settings
Depth:
Comprehensive, from basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures for the DFI system.
Engine Type:
4-stroke, 1-cylinder, DOHC, 4-valve, liquid-cooled
Displacement:
726 cc (44.3 cu. in.)
Bore X Stroke:
102.0 mm x 89.0 mm (4.02 in. x 3.50 in.)
Horsepower:
Approximately 48 HP (specifications can vary slightly by region/testing)
Torque:
Approximately 43 lb-ft (specifications can vary slightly by region/testing)
Fuel Delivery:
Electronic Fuel Injection (DFI), 40mm throttle body
Fuel Type:
Unleaded gasoline, Octane rating 87 or higher
Ignition System:
Electronic ignition (CDI)
Cooling Method:
Liquid-cooled
Transmission Type:
Automatic (CVT - Continuously Variable Transmission)
Drive Modes:
2WD / 4WD (selectable), locking front differential
Gear Selection:
High (H), Low (L), Neutral (N), Reverse (R), Park (P)
Clutch Type:
Wet, multi-plate automatic clutch
Transmission Fluid Type:
Suzuki Genuine ATV Gear Oil (or equivalent API GL-4, SAE 80W-90)
Final Drive Fluid Type:
Suzuki Genuine ATV Gear Oil (or equivalent API GL-5, SAE 80W-90)
Atv Safety Standards:
Compliant with ANSI/SVIA 1-2007 and 2-2007 standards (manufacturer claims).
Braking System:
Hydraulic disc brakes on all wheels, sealed system.
Power Steering:
Electric Power Steering (EPS) system, reduces steering effort and fatigue.
4Wd System:
Torque-sensing front differential with push-button locking 4WD.
Lighting:
Dual 35W headlights, 6W taillight/brake light.
Operator Controls:
Ergonomically placed handlebar controls for throttle, brakes, and drive system engagement.
Infotainment System:
Not applicable. Utility ATVs of this era typically do not feature infotainment systems.
Electronic Power Steering:
Standard on AXi models, significantly enhances rider comfort and control by reducing steering kickback and effort.
Fuel Injection:
EFI provides consistent throttle response, improved fuel efficiency, and easier starting in varying conditions compared to carbureted systems.
Connectivity Features:
No integrated connectivity features.
Engine Oil Change:
Every 1,000 km (600 miles) or 6 months, whichever comes first. Also, after every 20 hours of operation.
Air Filter Cleaning:
Every 200 km (120 miles) or 40 hours. Replace if necessary.
Spark Plug Check:
Every 1,000 km (600 miles) or 6 months.
Coolant Check And Flush:
Check coolant level frequently. Flush and replace coolant every 2 years or 2,000 km (1,200 miles).
Brake Fluid Check:
Check brake fluid level monthly. Replace brake fluid every 2 years.
Engine Oil Type:
Suzuki Genuine 4-stroke Engine Oil API SE, SF, SG or SH (or equivalent) SAE 10W-40.
Engine Oil Capacity:
3.0 L (3.2 US qt.) without oil filter change. 3.2 L (3.4 US qt.) with oil filter change.
Coolant Type:
Suzuki Super Long Life Coolant (or equivalent mixture of 50% ethylene glycol and 50% distilled water).
Common Wear Items:
CVT belt wear, tie rod ends, wheel bearings, brake pads are common wear items on high-mileage ATVs.
Efi Concerns:
Some owners have reported occasional EFI sensor issues or minor hesitation if maintenance is neglected, particularly air filter and spark plug condition.
Suspension Durability:
While generally robust, heavy use can lead to wear in A-arm bushings and ball joints.
Heritage:
Suzuki boasts a long and successful history in powersports, particularly with its line of ATVs. The KingQuad name has become synonymous with durability and performance in the utility ATV segment.
Predecessors:
The 750AXi evolved from earlier KingQuad models, notably the Vinson 500 and the earlier KingQuad 700. Key advancements included the introduction of EFI and IRS.
Innovations For 08-09:
While major redesigns occurred in prior years, the 2008-2009 models represent refinements on the successful platform, building on the electronic power steering and robust driveline.
Manufacturing Location:
Primarily manufactured in Japan by Suzuki Motor Corporation.
Industry Reviews:
The Suzuki KingQuad 750AXi generally received positive reviews from powersports publications during its production run, frequently lauded for its power, handling, and versatility in utility and trail riding applications.
Performance Rankings:
Consistently ranked among the top utility ATVs in its class for its combination of engine performance, suspension comfort, and rider-friendly features like power steering.
Emission Standards:
Meets relevant EPA and CARB emission standards for the model years.
