Positioning:
The Suzuki LT-Z250 Quad Sport is positioned as a capable and versatile sport ATV, suitable for recreational riding, trail use, and light competition. This manual caters to owners and mechanics seeking to maintain and repair this specific model.
Competitors:
Competes with other 250cc-class sport ATVs from manufacturers like Yamaha (Blaster), Honda (Trx300EX/400EX variants), and Kawasaki (KFX400/Suzuki LT-Z400).
Manual Benefits:
Provides OEM-level repair data, enabling efficient troubleshooting and accurate repairs. The PDF format offers instant access, portability (on mobile devices), and the ability to print specific pages, protecting the original document from workshop dirt and grease.
Primary Coverage:
Mechanical Repairs, Routine Maintenance, Troubleshooting, Electrical Systems, Engine, Transmission, Chassis
Estimated Pages:
Information not explicitly provided, but comprehensive shop manuals typically range from 300-600 pages.
Type:
OEM Shop / Service / Repair Manual
Engine:
Engine removal/installation, complete engine overhaul, top-end rebuild, bottom-end rebuild, cooling system, lubrication system, piston, rings, cylinder, valves, camshafts, crankshaft, connecting rods.
Fuel System:
Carburetor assembly, adjustment, cleaning, fuel tank, fuel lines, fuel pump (if applicable), fuel filter.
Transmission Drivetrain:
Clutch operation, maintenance, and adjustment; transmission disassembly and reassembly; gear inspection; final drive, chain, and sprocket maintenance and replacement.
Electrical System:
Ignition system, battery maintenance, charging system (stator, rectifier/regulator), starter motor, lighting system (headlights, taillights, brake lights), wiring diagrams, fuses, switches, sensors.
Chassis Suspension Steering:
Frame inspection, front suspension (A-arms, shocks, steering knuckles), rear suspension (swingarm, shock absorber), wheel bearings, steering system (handlebars, tie rods, steering shaft), wheel alignment.
Brakes:
Hydraulic brake system, brake caliper overhaul, brake pad replacement, brake fluid bleeding, brake disc inspection.
Bodywork Plastics:
Body panel removal and installation, seat removal, fender components, cosmetic trim.
Maintenance:
Regular service intervals, oil changes, filter replacements, spark plug maintenance, valve clearance checks, chain lubrication and adjustment, brake inspection and fluid replacement.
Troubleshooting:
Diagnostic procedures for common problems, electrical troubleshooting guides, engine performance issues, starting problems, braking issues.
Repair:
Step-by-step instructions for component repair and replacement, from minor adjustments to major overhauls.
Installation:
Guidance on installing new or replacement parts, accessories, and performing major component swaps.
Depth:
Comprehensive, covering from basic owner maintenance to advanced factory-level repairs and diagnostics. Includes detailed specifications and torque values.
Engine Type:
Four-stroke, SOHC, single-cylinder
Displacement:
246 cm³ (15.0 cu in)
Bore X Stroke:
72.0 mm x 61.1 mm (2.83 in x 2.41 in)
Horsepower:
Approx. 22.6 HP @ 7,500 RPM (Estimate, varies by source and tuning)
Torque:
Approx. 23.5 Nm (17.3 lb-ft) @ 6,000 RPM (Estimate, varies by source and tuning)
Carburetor Type:
Mikuni BSR32, single
Fuel Type:
Unleaded gasoline, 87 octane (minimum)
Cooling Method:
Liquid-cooled
Oil Capacity W Filter:
1.7 L (1.8 US qt)
Recommended Oil Grade:
SAE 10W-40 API SG or higher (common recommendation, verify with manual)
Initial Service:
Typically around 300-500 miles or 3-6 months for initial break-in service (oil change, filter inspection, chain adjustment).
Engine Oil Change:
Every 1,000 miles or 6 months, whichever comes first.
Air Filter Cleaning:
Every 500 miles or after extensive dusty riding, depending on conditions.
Chain Lubrication Adjustment:
Every 300-500 miles.
Spark Plug Replacement:
As per manual recommendations, typically around 3,000-5,000 miles or annually.
Coolant Type:
Ethylene glycol-based coolant with corrosion inhibitors, 50/50 mix with distilled water. Capacity: 1.4 L (1.5 US qt)
Common Problems:
Some owners report occasional carburetor jetting issues, suspension wear over time, and potential clutch plate wear with aggressive riding. Regular maintenance as outlined in the manual is key to preventing these.
Oem Part Numbers:
The manual is essential for obtaining accurate OEM part numbers for components like filters, gaskets, seals, and engine internals.
Brand Focus:
Suzuki is a Japanese multinational corporation known for its wide range of automotive products, including motorcycles, ATVs, and cars. They have a strong reputation for producing reliable and performance-oriented vehicles.
Lt-Z Lineage:
The LT-Z250 is a variant of Suzuki's popular Quad Sport line, often seen as a slightly more trail-oriented and accessible sibling to the high-performance LT-Z400. It shares many design principles and components with the LT-Z400, making this manual potentially useful for cross-referencing certain aspects.
Manufacturing Location:
Likely manufactured in Japan or a Suzuki assembly plant abroad.
