Segment:
Entry-level youth/recreational ATV
Target Audience:
Young riders, beginners, recreational users
Competitors:
Honda TRX90X, Yamaha YFZ50 (though smaller displacement), Arctic Cat DVX90
Features:
Automatic transmission, electric start, reliable engine, user-friendly operation
Manual Value:
Provides dealership-level repair information, enabling DIY maintenance and repairs, saving on labor costs, and ensuring proper vehicle upkeep.
Primary Regions:
Global (manual is vehicle/model specific, not region locked)
Model Coverage:
All Suzuki LT-Z90 QuadSport models
Estimated Pages:
Refer to specific PDF file for exact count, typically 200-400 pages for comprehensive service manuals
Type:
Service Repair Workshop Manual
Powertrain:
Engine, transmission, drivetrain, exhaust system
Chassis:
Frame, suspension (front and rear), steering, wheels, tires
Brakes:
Front and rear brake systems (hydraulic components, discs, pads, lines)
Electrical:
Ignition system, charging system, lighting, starting system, wiring diagrams, battery
Body:
Body panels, seat, controls, fenders, bumpers
Maintenance:
Scheduled maintenance, oil changes, filter replacements, lubrication, cleaning
Troubleshooting:
Diagnostic procedures for common and uncommon issues, fault codes, symptom-based troubleshooting
Repair:
Detailed step-by-step repair instructions for all major and minor components, including disassembly and reassembly
Overhaul:
Complete engine and transmission overhaul procedures
Adjustments:
Carburetor adjustments, valve clearance adjustments, chain tension adjustments
Depth:
Comprehensive, technician-level detail covering routine maintenance to complete engine rebuilds and advanced diagnostics
Detail Level:
Includes torque specifications, clearances, timing data, electrical schematics, and special tool requirements
Engine Type:
Four-stroke, SOHC, air-cooled
Bore X Stroke:
47.0 mm x 51.0 mm
Fuel Delivery:
Carburetor (e.g., Mikuni VM18SH)
Horsepower Estimate:
Approx. 6.5 - 7.5 HP (specific figures often not published for this class, but estimated based on displacement and competition)
Torque Estimate:
Not typically specified in public documentation, but crucial for low-end grunt.
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
Approx. 2.0 L (0.53 US gal)
Ignition System:
CDI (Capacitor Discharge Ignition)
Cooling Method:
Air-cooled
Starting Method:
Electric Starter
Transmission Type:
Automatic (CVT - Continuously Variable Transmission)
Optional Transmission:
N/A
Gear Selection:
Forward, Neutral, Reverse
Transmission Fluid Type:
Suzuki recommends specific ATF (Automatic Transmission Fluid) or equivalent, consult manual for exact spec (e.g., Suzuki recommended oil or similar)
Transmission Oil Capacity:
Approx. 0.8 L (Consult manual for precise capacity)
Overall Length:
Approx. 1450 mm (57.1 in)
Overall Width:
Approx. 985 mm (38.8 in)
Overall Height:
Approx. 900 mm (35.4 in)
Wheelbase:
Approx. 1005 mm (39.6 in)
Ground Clearance:
Approx. 120 mm (4.7 in)
Dry Weight:
Approx. 115 kg (253.5 lbs)
Curb Weight:
Approx. 120 kg (264.6 lbs) (with all fluids)
Load Capacity:
Not explicitly stated for cargo, but rider weight limits apply. Consult manual for specifics.
Front Tire Size:
AT16 x 7-7
Rear Tire Size:
AT18 x 9.5-8
Wheel Bolt Pattern:
Not applicable (hub-mounted wheels with splined drive)
Atv Safety Standards:
Complies with ANSI standards for youth ATVs. Important: Always wear appropriate safety gear (helmet, goggles, gloves, boots, long sleeves/pants).
Active Safety:
Disc brakes, stable chassis design for its class, throttle limiter screw (adjustable for beginner riders).
Passive Safety:
Handlebar padding, footwells, durable frame construction.
Operational Warnings:
Manual provides extensive warnings regarding rider age, supervision, terrain suitability, and safe operating practices.
Oil Change Interval:
Typically every 3-6 months or a set number of operating hours/miles (e.g., 100 hours or 1000 miles, consult manual for specifics).
Air Filter Cleaning:
Regular inspection and cleaning, typically every 20-40 operating hours or as needed based on conditions.
Spark Plug Replacement:
Recommended at specific intervals or when performance degrades (e.g., annually or every 100-200 hours).
Chain Lubrication Adjustment:
Regularly, every 5-10 operating hours or after wet/muddy riding.
Engine Oil Type:
Suzuki recommends 4-stroke motorcycle oil, SAE 10W-40 API SE, SF or SG (verify exact specification in manual).
Engine Oil Capacity:
Approx. 0.9 - 1.0 L (Consult manual for precise capacity after filter change).
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid.
Coolant Type:
N/A (Air-cooled engine)
Common Issues:
Carburetor gumming if not run regularly, chain wear, occasional electrical connection issues due to environmental exposure, CVT belt wear.
Guide Availability:
Manual provides specific troubleshooting charts for starting problems, engine misfires, braking issues, etc.
Heritage:
Suzuki has a long history in powersports, including a strong presence in ATVs with well-regarded models like the LT-Z series.
Ltz Series Context:
The LT-Z90 is part of Suzuki's line of sporty, youth-oriented ATVs, building on their experience with performance models like the LT-Z250 and LT-Z400.
Manufacturing Location:
Typically manufactured in Asia (e.g., China, Taiwan) under Suzuki's global manufacturing strategy.
