Target Audience:
Owners of Suzuki LT-Z50 QuadSport ATVs, DIY mechanics, repair shops servicing youth ATVs.
Vehicle Segment:
Youth ATV / Recreational ATV
Competitors:
Yamaha YFM50 Raptor, Honda TRX90X (slightly larger but in a similar performance tier for youth), Arctic Cat DVX50.
Design Focus:
Beginner-friendly, safety-oriented, easy-to-operate ATV for younger riders.
Value Proposition:
Empowers owners to perform essential maintenance and repairs, saving time and money while ensuring the longevity and optimal performance of the ATV.
Primary Coverage:
Comprehensive Service and Repair
Specific Systems:
Engine, Transmission, Drivetrain, Electrical System, Chassis, Suspension, Brakes, Bodywork, Fuel System, Cooling System, Lubrication System, Ignition System, Emissions Control
Type:
Service Manual / Repair Manual
Engine Mechanical:
Full engine teardown, assembly, specifications, timing, valve clearance, piston/ring inspection, cylinder head service.
Fuel System:
Carburetor disassembly, cleaning, adjustment, fuel pump, fuel filter replacement, fuel line routing.
Ignition System:
Spark plug specifications, ignition timing, CDI unit testing, stator coil testing.
Transmission Drivetrain:
Automatic transmission operation, clutch adjustment, final drive, driveshaft, chain adjustment and replacement.
Electrical System:
Wiring diagrams, battery testing, charging system (stator, rectifier/regulator), starter motor, lighting system, switches, fuses.
Suspension Steering:
Front and rear suspension components, shock absorbers, steering linkage, tie rod ends, wheel alignment.
Brakes:
Hydraulic brake system, brake caliper service, brake pad replacement, brake fluid specifications, bleeding procedures.
Chassis Bodywork:
Frame inspection, body panel removal/installation, seat service, handle-bar assembly.
Maintenance:
Oil changes, filter replacements, chain lubrication and adjustment, spark plug replacement, air filter cleaning/replacement, brake system checks, tire pressure checks, battery maintenance.
Troubleshooting:
Systematic diagnostic procedures for common starting, running, electrical, and mechanical issues.
Repair:
Detailed step-by-step instructions for component removal, repair, overhaul, and reinstallation.
Technical Specifications:
Torque specifications for all fasteners, fluid capacities, engine clearances, electrical component resistance values.
Depth:
Comprehensive (from basic maintenance to full engine rebuilds and electrical diagnostics).
Engine Type:
4-stroke, Air-cooled, SOHC
Bore X Stroke:
39.0 mm x 41.5 mm
Horsepower:
Approx. 3.5 HP (specific output varies slightly by year/tune)
Torque:
Not widely published for this segment, but designed for low-end torque.
Fuel Type:
Unleaded Gasoline
Fuel Tank Capacity:
2.4 Liters (0.6 US gal)
Oil Type:
SAE 10W-40 API SE, SF, SG or higher
Oil Capacity W Filter:
0.7 Liters (0.7 US qt)
Cooling Method:
Forced Air Cooling
Transmission Type:
Automatic (CVT - Continuously Variable Transmission)
Drive System:
2WD (Shaft Drive)
Gear Selection:
Forward, Neutral, Reverse
Clutch Type:
Automatic Centrifugal Clutch
Final Drive Oil Type:
SAE 80 API GL-4
Final Drive Oil Capacity:
0.1 Liters (0.1 US qt)
Overall Length:
1,450 mm (57.1 in)
Overall Width:
955 mm (37.6 in)
Overall Height:
935 mm (36.8 in)
Wheelbase:
1,035 mm (40.7 in)
Ground Clearance:
120 mm (4.7 in)
Dry Weight:
104 kg (229 lbs)
Curb Weight:
Approx. 110-115 kg (242-253 lbs)
Max Load Capacity:
Not specified, designed for single rider.
Front Tire Size:
AT 16 x 7.0-7
Rear Tire Size:
AT 18 x 9.5-8
Front Wheel Bolt Pattern:
4-lug, 4x110mm (common for this class)
Rear Wheel Bolt Pattern:
4-lug, 4x100mm (common for this class)
Safety Standards:
Designed for youth riders, includes safety features mandated by ATV safety organizations (e.g., speed limiter options, throttle governor).
Throttle Limiter:
Adjustable throttle limiter screw for parental control.
Parking Brake:
Yes, typically lever-activated on handlebars.
Speed Governor:
Integrated into CVT or engine controls to manage speed.
Lighting:
Headlights and taillight for visibility.
Footwells:
Covered footwells to protect rider's feet.
Engine Oil Change:
Every 100 hours or 6 months, whichever comes first.
Spark Plug Inspection:
Every 100 hours or 6 months.
Air Filter Cleaning:
Every 20 hours or monthly; replace every 100 hours or annually.
Chain Lubrication Adjustment:
Every 10-15 hours or after riding in wet conditions.
Brake Fluid Check:
Inspect monthly or every 10 hours.
Valve Clearance Check:
Every 200 hours or 12 months.
Engine Oil:
SAE 10W-40 API SE, SF, SG or higher
Final Drive Oil:
SAE 80 API GL-4
Brake Fluid:
DOT 3 or DOT 4
Common Wear Items:
CVT belt wear, brake pad wear, tire wear, spark plug fouling due to typical short-trip usage.
Carburetor Issues:
Can become clogged with debris or varnish if fuel sits for extended periods; requires periodic cleaning.
Throttle Governor Adjustment:
Essential for ensuring safe operation for new riders; requires periodic checking and adjustment as rider gains experience.
Manufacturer:
Suzuki Motor Corporation is a Japanese multinational corporation known for its wide range of products, including automobiles, motorcycles, marine engines, and ATVs.
Introduction:
The LT-Z50 was introduced as Suzuki's entry into the youth ATV market, building on their success in larger sport ATV models like the LT-Z250 and LT-Z400.
Key Updates During Production:
Minor cosmetic updates and potential internal refinements to the engine or CVT system across the 2004-2009 model years. Generally, the core platform remained consistent.
Production Period:
2004-2009
Manufacturing Location:
Typically manufactured in Japan or by Suzuki's global partners.
