Segment:
Sport ATV / Recreational ATV
Target Audience:
Enthusiasts, recreational riders, and mechanics looking for detailed repair information.
Competitors 2009:
Yamaha Raptor 250, Kawasaki KFX250, Polaris Outlaw 500 (though higher displacement).
Performance Focus:
Agile handling and reliable performance for trail riding and recreational sport.
Engine Type:
Liquid-cooled, 4-valve, SOHC, single-cylinder
Transmission Type:
5-speed manual with reverse
Value Proposition:
Provides in-depth technical data and procedures to maintain and repair the LT-Z250 effectively.
Content Detail:
Includes detailed illustrations and step-by-step instructions for all repair and diagnostic procedures.
Engine:
Detailed disassembly, assembly, inspection, and repair of the 249cc liquid-cooled 4-stroke engine.
Fuel System:
Carburetor (Mikuni BSR32), fuel pump, fuel lines, and tank servicing.
Ignition System:
CDI, ignition coil, spark plug specifications, and troubleshooting.
Transmission Drivetrain:
5-speed manual transmission with reverse, clutch operation, chain drive maintenance, and rear axle.
Cooling System:
Radiator, fan, coolant, and thermostat service.
Electrical System:
Wiring diagrams, battery, charging system (stator, regulator/rectifier), lighting, starting system.
Suspension System:
Front A-arm suspension, rear swingarm, shock absorbers, springs, and adjustments.
Braking System:
Front dual hydraulic disc brakes, rear hydraulic disc brake, brake fluid specifications, caliper servicing.
Steering System:
Handlebars, steering shaft, tie rods, and steering knuckle maintenance.
Chassis Frame:
Frame inspection, front and rear subframes.
Bodywork:
Fenders, plastics, seat, fuel tank cover, and graphics.
Wheels Tires:
Tire specifications, wheel mounting, lug nut torque.
Maintenance:
Oil changes, filter replacements, chain adjustment, spark plug checks, brake fluid flushes.
Troubleshooting:
Diagnostic flowcharts for common starting, running, and electrical issues.
Repair:
Detailed step-by-step instructions for engine rebuild, transmission overhaul, suspension component replacement, brake caliper rebuilding.
Rebuilding:
Complete procedures for engine internal components, transmission gears, and shock absorbers.
Refurbishment:
Guidance on cleaning, painting, and replacing worn cosmetic and functional parts.
Restoration:
Comprehensive information to return the ATV to factory specifications.
Depth:
Comprehensive, covering everything from basic checks to complete engine and transmission rebuilds.
Diagnostic Coverage:
Advanced diagnostic procedures for engine performance and electrical systems.
Specifications Data:
Torque values, clearances, fluid capacities, electrical resistance values, and wear limits.
Engine Type:
4-stroke, Liquid-cooled, DOHC, 4-valve
Displacement:
249 cm³ (15.2 cu. in.)
Bore X Stroke:
72.0 mm x 61.2 mm (2.83 in x 2.41 in)
Compression Ratio:
11.3:1
Lubrication System:
Forced lubrication (wet sump)
Horsepower Est:
Approximately 23-25 HP (Engine measurement, subject to tuning and specific conditions)
Torque Est:
Approximately 18-20 lb-ft (Engine measurement)
Carburetor Type:
Mikuni BSR32, single
Fuel Type:
Unleaded gasoline, 87 octane or higher
Fuel Tank Capacity:
2.6 US gal (9.8 L)
Fuel Pump:
Electric fuel pump
Ignition System:
Electronic ignition (CDI)
Spark Plug Type:
NGK CR9E or DENSO U27ETR (check manual for exact spec)
Transmission Type:
Constant mesh, 5-speed manual with reverse
Clutch Type:
Wet, multi-plate
Final Drive:
O-ring sealed chain, drive sprocket, driven sprocket
Gear Ratios:
Detailed in manual, typically includes low gear for torque and higher gears for trail speed.
Reverse Gear:
Integrated reverse gear for maneuverability.
Transmission Fluid Type:
Suzuki recommends SAE 10W-40 API SE, SF, or SG (refer to manual for specific fluid specification).
Transmission Fluid Capacity:
Approximately 0.90 L (0.95 US qt) (refer to manual for exact capacity and level check procedure).
Overall Length:
Approximately 69.1 in (1755 mm)
Overall Width:
Approximately 44.1 in (1120 mm)
Overall Height:
Approximately 43.1 in (1095 mm)
Wheelbase:
Approximately 48.8 in (1240 mm)
Ground Clearance:
Approximately 4.1 in (105 mm)
Dry Weight:
Approximately 359 lbs (163 kg)
Curb Weight:
Approximately 379 lbs (172 kg) (with all necessary operating fluids)
Front Track:
Approximately 36.0 in (915 mm)
Rear Track:
Approximately 35.0 in (890 mm)
Atv Safety Standards:
Complies with ANSI/SVIA standards.
Braking System:
Triple hydraulic disc brakes (dual front, single rear) for strong stopping power.
Throttle Limiter:
Adjustable thumb throttle limiter for rider control.
Parking Brake:
Mechanical parking brake lever.
Lighting:
Halogen headlights and taillight/brake light for visibility.
Footwells:
Wide footwells with integrated heel guards to protect rider's feet.
Seat:
Comfortable and secure seating position.
Features:
Basic instrumentation: speedometer, odometer, trip meter, neutral indicator, reverse indicator, high beam indicator.
Features:
No advanced electronic driver assistance systems; focus is on mechanical operation and rider skill.
Features:
No electronic connectivity features (e.g., Bluetooth, GPS).
Engine Oil Change:
Every 20 hours or 6 months, whichever comes first.
Oil Filter Replacement:
Every 40 hours or 12 months.
Air Filter Cleaning:
Every 10 hours or as needed based on operating conditions.
Spark Plug Check:
Every 20 hours or 12 months.
Chain Adjustment:
Every 10 hours or as needed, maintaining proper slack.
Brake Fluid Check Replace:
Inspect level every 20 hours, replace fluid annually or every 12 months.
Engine Oil:
SAE 10W-40 API SE, SF, or SG (Suzuki recommends genuine Suzuki oil or equivalent).
Engine Oil Capacity:
Approximately 1.70 L (1.8 US qt) with filter change (refer to manual for exact capacity).
Transmission Fluid:
SAE 10W-40 API SE, SF, or SG (same as engine oil).
Transmission Fluid Capacity:
Approximately 0.90 L (0.95 US qt).
Coolant Type:
Permanent type antifreeze coolant (50% solution of ethylene glycol) (refer to manual for specific type).
Brake Fluid:
DOT 4 brake fluid.
Carburetor Jetting:
Can be sensitive to altitude and modifications, often requires rejetting for aftermarket exhausts or air filters.
Chain Wear:
Regular inspection and adjustment are crucial to prevent premature wear on chain and sprockets.
Suspension Bushings:
Wear on suspension bushings can lead to play and affect handling, particularly with heavy use.
Battery Life:
Like many powersports vehicles, battery maintenance and charging are important for reliable starting.
Manufacturer:
Suzuki Motor Corporation
Atv Legacy:
Suzuki has a long and respected history in ATV manufacturing, known for performance and durability.
Quadsport Lineage:
The QuadSport line is Suzuki's entry-level to mid-range sport ATV segment, focusing on approachable performance.
Lt-Z Series:
The LT-Z designation has been applied to Suzuki's sport ATV models, including the popular LT-Z400 and the smaller LT-Z250.
Production Period:
The LT-Z250 was primarily produced from 2004 through 2010.
Manufacturing Location:
Japan (primary manufacturing for Suzuki ATVs)