Category:
Youth ATV / Entry-Level Sport ATV
Target Audience:
Beginner riders, younger enthusiasts, parents seeking a safe and manageable off-road experience for their children.
Competitors:
Honda TRX90X, Polaris Sportsman 90, Arctic Cat DVX90, Eton Viper 90R.
Ease Of Use:
Automatic transmission, electric start, user-friendly controls, manageable power output.
Safety Features:
Speed limiter screw, tether cord kill switch, low seat height, stable chassis.
Primary Coverage:
2007 Suzuki QuadSport LT-Z90
Secondary Coverage:
Likely covers closely related model years with minor variations.
Estimated Pages:
Extensive (specific count not provided, but described as 'Master Service Manual' and 'FULL VERSION')
Type:
Master Service Manual / Repair Manual
Language:
English (presumed based on common market availability)
Engine:
Engine mechanical, lubrication, cooling, fuel system, ignition system, starting system, exhaust system.
Transmission:
Automatic transmission (CVT), clutch, drive chain, final drive.
Chassis And Suspension:
Frame, front suspension, rear suspension, steering system, wheels, tires.
Braking System:
Front and rear brakes (disc/drum configuration), hydraulic system.
Electrical System:
Battery, charging system (alternator/stator), lighting, ignition switch, wiring diagrams, fuses, electrical components.
Body And Trim:
Body panels, fenders, seat, handle bars, controls, decals.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, chain adjustment, brake adjustments, spark plug replacement.
Troubleshooting:
Diagnostic procedures for common and uncommon issues, symptom-based troubleshooting charts.
Repair:
Step-by-step repair instructions for all major components and systems, including disassembly and reassembly.
Specifications And Data:
Torque specifications, clearances, tolerances, fluid capacities, electrical values, engine tuning parameters.
Depth:
Comprehensive, covering basic maintenance to advanced engine rebuilds and electrical diagnostics.
Engine Type:
Four-stroke, air-cooled, SOHC
Bore X Stroke:
49.0 mm x 48.0 mm
Compression Ratio:
9.5:1 (Typical for this engine family)
Engine Code:
Likely derived from Suzuki's general 4-stroke ATV engine architecture, specific code not provided.
Horsepower:
Approximately 6-8 HP (Estimated, specific figures often not published for youth models)
Torque:
Low to mid-range torque optimized for usability.
Fuel Delivery:
Carburetor (Mikuni VM16SH or similar)
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
Approx. 2.8 Liters (0.74 US gal)
Ignition Type:
CDI (Capacitor Discharge Ignition)
Spark Plug:
NGK CR6HSA (Commonly used, verify with manual)
Type:
Automatic (CVT - Continuously Variable Transmission)
Drive System:
2WD (Rear Wheel Drive)
Gear Selection:
Forward, Neutral, Reverse
Final Drive:
O-ring sealed chain, 520 size (typical), gear reduction.
Crash Test Ratings:
Not applicable to ATVs in the same way as passenger vehicles. Focus is on design and features for safe operation.
Speed Limiter:
Adjustable throttle limiter screw for controlled top speed.
Tether Cord:
Engine kill switch tether cord for rider safety.
Frame Design:
Durable steel frame providing stability and protection.
Lighting:
Headlight, taillight/brake light for visibility.
Ergonomics:
Designed for smaller riders with accessible controls and a comfortable riding position.
Display:
Basic instrument cluster: Neutral indicator, possibly high-beam indicator, speed/mileage might be absent on base models.
Speed Governance:
Mechanical throttle limiter screw.
Connectivity Features:
None (This is a youth ATV focused on mechanical operation).
Engine Oil Change:
Every 1,000 km (620 miles) or 6 months (Verify with manual for precise intervals).
Oil Filter Change:
Every engine oil change.
Air Filter Cleaning:
Inspect every 500 km (310 miles), clean as needed.
Spark Plug Inspection:
Every 1,000 km (620 miles).
Drive Chain Lubrication Adjustment:
Lubricate every 500 km (310 miles), adjust as needed to maintain specified slack.
Engine Oil Type:
SAE 10W-40 API SE or SF (Verify with manual for exact specification).
Engine Oil Capacity:
Approx. 0.9 Liter (0.95 US qt) with filter change (Verify with manual).
Brake Fluid:
DOT 3 or DOT 4 (Verify with manual).
Gear Oil Capacity:
Not typically applicable as the transmission and engine share oil, but final drive may have separate oil (verify with manual).
Carburetor Fouling:
Can occur with infrequent use or poor fuel quality, requiring cleaning or adjustment.
Drive Chain Wear:
Regular maintenance is crucial to prevent premature wear and stretching.
Throttle Limiter Adjustment:
Ensure it's properly set for the intended rider's skill level.
Manufacturer:
Suzuki Motor Corporation, a long-standing Japanese manufacturer with a strong reputation in motorcycles and ATVs.
Predecessors:
Suzuki offered various smaller displacement ATVs prior to the LT-Z90, catering to the youth market.
Design Philosophy:
Focus on reliability, ease of use, and safety for young riders, often utilizing proven powertrain technology.
Production Period:
The LT-Z90 was produced for several years, with the 2007 model being part of its successful run.
Manufacturing Location:
Likely manufactured in Japan or through Suzuki's global production facilities.
