Segment:
Entry-level youth ATV, recreational off-road vehicle
Target Audience:
Young riders, novice ATV enthusiasts, families
Competitors:
Honda TRX90X, Yamaha Raptor 90, Polaris Outlaw 90
Features:
Automatic transmission, electric start, safety features like tether switch, speed limiter
Primary Coverage:
Comprehensive service, repair, and maintenance for the Suzuki LT-Z90 QuadSport 2009
Secondary Coverage:
Troubleshooting, diagnostics, specifications, schematics
Type:
Service Manual / Repair Manual
Format:
PDF (Digital Download)
Engine:
Complete engine disassembly, assembly, tuning, specifications
Transmission:
Automatic transmission, clutch, gear system maintenance and repair
Fuel System:
Carburetor (Mikuni VM19SH), fuel pump, fuel lines, fuel tank service
Electrical System:
Ignition system, stator, CDI unit, lighting, battery, starter motor, wiring diagrams
Suspension:
Front and rear suspension, shock absorbers, A-arms, wheel bearings
Brakes:
Front and rear drum brakes, brake system maintenance, adjustments
Steering:
Steering column, tie rods, ball joints, steering linkage
Chassis:
Frame inspection, body panels, seat, footpegs
Cooling System:
Air-cooled engine specifications, cooling fins
Exhaust System:
Muffler, exhaust pipe maintenance
Maintenance:
Scheduled maintenance, oil changes, filter replacements, lubrication
Troubleshooting:
Diagnostic procedures for common problems, fault finding guides
Repair:
Step-by-step repair instructions for all major components
Disassembly Assembly:
Detailed instructions for taking apart and reassembling the ATV
Adjustments:
Carburetor tuning, brake adjustments, chain tension (if applicable, though not typical for this model)
Specifications:
Torque values, clearances, fluid capacities, engine timing
Depth:
Comprehensive: Covers basic to advanced repair, rebuilds, and diagnostics
Searchability:
Searchable text content for quick information retrieval
Printability:
Printable pages for easy reference during work
Quality:
High-resolution images, diagrams, and text
Type:
Not Applicable (Digital Download)
Type:
Not Applicable (Digital Download)
Type:
4-stroke, SOHC, air-cooled
Bore X Stroke:
49.0 mm x 48.0 mm
Horsepower:
Approximately 6.5 HP @ 7000 RPM (typical for this class)
Torque:
Approximately 5.3 lb-ft @ 5500 RPM (typical for this class)
Carburetor:
Mikuni VM19SH, single
Fuel Type:
Unleaded gasoline
Oil Type:
SAE 10W-40 API SG or SH (refer to manual for precise spec)
Oil Capacity:
0.9 L (0.95 US qt) without filter change, 1.0 L (1.05 US qt) with filter change
Ignition System:
Electronic ignition (CDI)
Starting System:
Electric starter
Safety Compliance:
Designed for youth riders; meets California EPA emissions standards
Throttle Limiter:
Adjustable throttle limiter screw for speed control
Tether Switch:
Engine shut-off tether switch for rider safety
Frame Construction:
Durable steel frame
Lighting:
Halogen headlights, taillight/brake light
Engine Oil Change:
Every 1000 km or 6 months, whichever comes first (refer to manual for exact interval)
Air Filter Cleaning:
Regularly, especially in dusty conditions; replace as needed
Spark Plug Inspection:
Check at every 1000 km or 6 months
Chain Lubrication Adjustment:
Check chain slack and lubricate frequently (e.g., every 300 km)
Engine Oil Spec:
SAE 10W-40 API SG or SH
Brake Fluid Spec:
DOT 3 or DOT 4 brake fluid
Common Problems:
Carburetor clogging, CDI unit failure, starter motor issues, normal wear and tear on suspension components
Preventative Measures:
Regular cleaning of air filter and carburetor, proper oil changes, keeping the vehicle clean and dry.
Manufacturer:
Suzuki Motor Corporation, a long-standing innovator in motorcycle and ATV manufacturing
Predecessors:
Suzuki LT80 (popular youth ATV prior to LT-Z90)
Development Focus:
Designed to provide a safe, easy-to-ride, and reliable platform for young riders, building on the legacy of the LT80
Production Period:
Mid-2000s to present (with model updates)
Manufacturing Origin:
Primarily Japan and/or other global Suzuki facilities
