Market Position:
The Suzuki LT-Z50 QuadSport 2007 is positioned as a premier youth sport ATV, designed for young riders transitioning into more performance-oriented off-road experiences. It aims to provide a balance of approachable performance, safety features, and Suzuki's renowned reliability.
Competitive Analysis:
Competes with similar youth ATVs from manufacturers like Yamaha (e.g., Raptor 50), Honda (e.g., TRX90, though slightly larger), and Polaris (e.g., Outlaw 50). Its key differentiators often lie in its sporty styling, manageable power delivery, and a focus on ease of use for younger riders.
Key Features:
Compact and lightweight design, automatic transmission, electric start, adjustable throttle limiter, robust chassis, Suzuki's reputation for quality and durability.
Systems Covered:
Engine, Transmission, Fuel System, Ignition System, Lubrication System, Cooling System (if applicable, though typically air-cooled), Chassis, Suspension, Steering, Brakes, Electrical System, Bodywork, Frame, Drive System, Wheels, Tires, General Maintenance, Troubleshooting
Electrical System Details:
Includes detailed wiring diagrams, troubleshooting of lighting systems, ignition system components, starter motor, and battery.
Procedures Included:
Detailed step-by-step repair instructions, maintenance procedures (oil changes, filter replacement, spark plug replacement, chain adjustment), carburetor tuning, electrical diagnostics, disassembly and reassembly of all major components, troubleshooting guides, torque specifications, wiring diagrams
Troubleshooting Guides:
Comprehensive troubleshooting flowcharts for common starting issues, running problems, braking concerns, and electrical faults.
Technical Depth:
Comprehensive from basic maintenance to complete engine and drivetrain overhauls. Includes diagnostic procedures, component testing, and component replacement.
Torque Specifications:
Precise torque values for critical fasteners, including engine components, suspension mounting points, and wheel hub nuts.
Engine Type:
Four-stroke, air-cooled, SOHC
Bore X Stroke:
39.0 x 41.5 mm
Compression Ratio:
10.0:1
Ignition:
Electronic ignition (CDI)
Horsepower:
Approximately 3.5 HP (estimated for this class)
Torque:
N/A (not typically published for this class)
Carburetor:
Mikuni VM12SH
Fuel Tank Capacity:
1.7 L (0.45 US gal)
Fuel Type:
Unleaded gasoline
Oil Type:
SAE 10W-40 API SE, SF or SG
Oil Capacity:
0.8 L (0.85 US qt)
Safety Ratings:
Designed to meet U.S. Consumer Product Safety Commission (CPSC) standards for youth ATVs. Not road-legal.
Active Features:
Throttle limiter screw, ignition tether cord (kill switch), automatic transmission for simplified operation.
Passive Features:
Full floorboards, low center of gravity, sturdy handlebars, protective front bumper.
Initial Service:
Check and adjust chain tension and lubricate chain after the first 20 hours of operation, then every 20 hours.
Engine Oil Change:
Every 20 hours of operation or annually, whichever comes first.
Air Filter Cleaning:
Clean every 20 hours of operation or more frequently in dusty conditions.
Spark Plug Inspection:
Inspect and clean/gap every 20 hours of operation.
Brake Pad Inspection:
Inspect brake pads for wear every 20 hours of operation.
Chain Tension Adjustment:
Every 20 hours of operation.
Engine Oil Grade:
SAE 10W-40, API SE, SF or SG
Engine Oil Capacity:
0.8 L (0.85 US qt)
Gear Oil Type:
N/A (integrated lubrication for final drive)
Known Issues:
Potential for carburetor gumming if fuel is left for extended periods, normal wear and tear on drive chain and sprockets, occasional need for spark plug replacement due to small displacement engine characteristics.
Brand Heritage:
Suzuki has a long-standing reputation in the powersports industry, known for producing reliable and performance-oriented motorcycles and ATVs. The QuadSport line has been a significant part of their ATV offering, particularly for recreational and youth segments.
Model Evolution:
The LT-Z50 was introduced as Suzuki's entry-level youth sport ATV, designed to provide an engaging riding experience for younger riders. It has seen minor updates and color changes throughout its production run, maintaining its core design and engine.
Production Years:
The LT-Z50 was produced for multiple years, including the 2007 model year. It continued in subsequent model years with variations in graphics and color schemes.