Target Audience:
Owners of the 2007 Suzuki LT-Z90 QuadSport seeking to perform maintenance, repairs, or troubleshooting themselves.
Value Proposition:
Provides the same authoritative, factory-level repair information found in official dealer workshops, empowering users with accurate guidance.
Competitor Manuals:
Comparable to official Suzuki service manuals in content and detail, offering a more accessible purchase option for aftermarket users.
Diagrams:
Includes step-by-step diagrams and illustrations to visually guide users through complex procedures.
Completeness:
Covers all aspects of the vehicle's mechanical and electrical systems, ensuring a comprehensive understanding for repair and maintenance.
General Coverage:
Comprehensive service and repair information for the Suzuki LT-Z90 QuadSport 2007 model.
Specific Systems:
Engine, transmission, chassis, suspension, brakes, electrical system, fuel system, cooling system, lubrication system, drive train, bodywork, and troubleshooting.
Type:
Factory Service Manual / Workshop Manual
Engine Mechanical:
Detailed disassembly, inspection, repair, and reassembly procedures for all engine components, including cylinder head, piston, crankshaft, connecting rod, and valve train.
Fuel System:
Carburetor adjustment, cleaning, and overhaul; fuel filter replacement; fuel line inspection and repair.
Ignition System:
Spark plug specifications, ignition coil testing, CDI unit information, and timing procedures.
Electrical System:
Wiring diagrams, starter motor, battery, lighting, charging system (stator, regulator/rectifier), fuses, and switches.
Transmission Drivetrain:
Automatic transmission operation, maintenance, and overhaul; final drive and axle inspection and repair.
Suspension Steering:
Front and rear suspension component inspection, replacement, and adjustment; steering system maintenance and repair.
Brake System:
Brake pad inspection and replacement, brake caliper service, brake fluid bleeding, and master cylinder overhaul.
Cooling Lubrication:
Oil change procedures, oil filter replacement, oil capacity specifications, and cooling system maintenance (if applicable, though LT-Z90 is air-cooled).
Chassis Bodywork:
Frame inspection, body panel removal and installation, seat maintenance, and general chassis lubrication.
Maintenance:
Oil changes, filter replacements, spark plug checks, air filter cleaning/replacement, chain adjustment (if applicable), brake system checks, and general lubrication.
Troubleshooting:
Diagnostic flowcharts and step-by-step procedures for identifying and resolving common issues, including starting problems, poor performance, and electrical faults.
Repair Rebuild:
Detailed instructions for component removal, overhaul, and reinstallation, including engine rebuilds, transmission servicing, and suspension repairs.
Technical Data:
Torque specifications, clearances, fluid types and capacities, and other critical measurements for accurate repairs.
Special Tools:
Identification of specialized tools required for specific procedures.
Depth:
Comprehensive, from basic maintenance to in-depth engine and transmission overhauls. Suitable for both novice mechanics and experienced technicians.
Engine Type:
4-stroke, SOHC, air-cooled
Bore X Stroke:
49.0 mm x 48.0 mm
Horsepower:
Approximately 7.1 hp @ 7,500 rpm (estimated)
Torque:
Approximately 7.0 Nm @ 6,000 rpm (estimated)
Carburetor Type:
Mikuni VM17
Fuel Type:
Unleaded gasoline
Oil Type:
SAE 10W-30 API SE, SF, or SG
Oil Capacity:
0.8 L (0.85 US qt) for oil change without filter replacement
Atv Safety Standards:
Compliant with ANSI/SVIA 1-2000 safety standards for ATVs (as applicable to its class and design).
Throttle Limiter:
Adjustable throttle limiter screw for parental control and beginner riders.
Engine Kill Switch:
Handlebar-mounted engine kill switch for immediate power cutoff.
Lighting:
Halogen headlamp and LED tail light for visibility.
Frame Construction:
Durable steel frame designed for stability and rider support.
Initial Service:
First service typically recommended at 300 miles or 3 months.
Engine Oil Change:
Every 1,000 miles or 6 months.
Air Filter Cleaning:
Every 500 miles or 3 months (clean more frequently in dusty conditions).
Spark Plug Inspection:
Every 1,000 miles or 6 months.
Valve Clearance Check:
Every 2,000 miles or 12 months.
Engine Oil:
SAE 10W-30 API SE, SF, or SG
Brake Fluid:
DOT 3 or DOT 4 brake fluid
Gear Oil:
Refer to manual for specific gear oil type (typically SAE 80W GL-4).
Carburetor Clogging:
Can occur with infrequent use or stale fuel; requires cleaning and proper fuel storage.
Throttle Cable Adjustment:
May require periodic adjustment to maintain proper slack and throttle response.
Chain Tension:
Needs regular inspection and adjustment to prevent excessive wear or derailing.
Suzuki Atv Legacy:
Suzuki has a long-standing reputation for producing reliable and performance-oriented ATVs, with the QuadSport line being a popular choice for youth and recreational riders.
Lt Z90 Development:
The LT-Z90 was designed as a beginner-friendly, entry-level ATV, building upon Suzuki's experience with larger displacement models like the LT-Z250 and LT-Z400. It emphasizes ease of use and safety features suitable for younger riders under supervision.
Manufacturing Location:
Primarily manufactured in Japan.
