Vehicle Segment:
High-performance sport ATV (All-Terrain Vehicle)
Era Context:
Represents a significant era in sport ATV development, known for its agility and power.
Competitors:
Competed against other sport ATVs of its time, often focusing on motocross and trail riding capabilities.
Manual Advantage:
Provides factory-level technical data and step-by-step procedures, empowering owners to perform complex repairs.
Digital Format Benefit:
Instant accessibility and ease of use on digital devices.
Engine:
Engine overhaul, top-end, bottom-end, cooling system, lubrication system, tuning, diagnostics.
Transmission:
Clutch, gearbox, shift mechanism, final drive, lubrication.
Fuel System:
Carburetor (type, jetting, disassembly, cleaning, adjustment), fuel tank, fuel lines, fuel filter.
Electrical System:
Ignition system (CDI, spark plug, timing), lighting, charging system (if applicable), wiring diagrams, troubleshooting.
Chassis:
Frame, suspension (front and rear), steering, brakes (hydraulic front, drum rear), wheels, tires.
Bodywork:
Body panels, seat, fenders, decals.
Maintenance:
Regular servicing, fluid changes, filter replacements, chain adjustment, spark plug checks, lubrication points.
Repair:
Step-by-step instructions for component removal, disassembly, repair, reassembly, and installation.
Troubleshooting:
Diagnostic charts, common problems, symptom-cause-remedy guides.
Disassembly Assembly:
Detailed procedures for taking apart and putting back together various vehicle components.
Depth:
Comprehensive, covering factory-level repair and maintenance procedures.
Type:
2-stroke, single-cylinder, liquid-cooled
Displacement:
246 cc (approximately)
Bore X Stroke:
66.0 mm x 72.0 mm (typical for this model range)
Compression Ratio:
Approximately 7.0:1 (varies slightly)
Ignition:
CDI (Capacitor Discharge Ignition)
Horsepower:
Estimated 28-30 HP (at crankshaft, model specific variations apply)
Torque:
Estimated 23-25 lb-ft (at crankshaft, model specific variations apply)
Carburetor Model:
Mikuni VM28SS (typical, subject to revision)
Carburetor Description:
Single Mikuni carburetor with pilot jet, main jet, needle jet, jet needle, throttle valve, and air screw for precise fuel mixture control.
Fuel Type:
Unleaded gasoline (minimum 87 octane recommended)
Coolant Type:
Suzuki Super Long Life Coolant or equivalent ethylene glycol-based coolant with corrosion inhibitors.
Oil Mixture:
Pre-mix with 2-stroke engine oil (refer to manual for specific ratio, typically 20:1 or 32:1 with premium oil)
Transmission Oil Type:
Suzuki Gear Oil API GL-4, SAE 80W or 90
Overall Length:
Approx. 71.1 inches (1805 mm)
Overall Width:
Approx. 45.7 inches (1160 mm)
Overall Height:
Approx. 43.5 inches (1105 mm)
Wheelbase:
Approx. 48.8 inches (1240 mm)
Ground Clearance:
Approx. 4.7 inches (120 mm)
Dry Weight:
Approx. 370 lbs (168 kg)
Oil Change:
Refer to manual; typically every 10-20 operating hours or annually.
Air Filter:
Clean/replace as needed, depending on riding conditions (frequently in dusty environments).
Spark Plug:
Inspect and gap regularly, replace as needed (e.g., every 100 operating hours).
Chain Lubrication Adjustment:
Lubricate and check tension frequently, every 300-500 miles or as needed.
Coolant:
Suzuki Super Long Life Coolant or equivalent ethylene glycol-based coolant.
Transmission Oil:
Suzuki Gear Oil API GL-4, SAE 80W or 90.
Carburetor Tuning:
Can be sensitive to altitude and temperature changes, requiring periodic jetting adjustments.
Clutch Wear:
Clutch plates can wear over time, especially with aggressive riding, requiring replacement.
Cooling System Maintenance:
Regular coolant flushes and inspection of hoses and radiator are crucial to prevent overheating.
Suspension Maintenance:
Regular cleaning and checking of suspension seals and oil levels are recommended for optimal performance.
Suzuki Atv Legacy:
Suzuki has a long and successful history in ATV manufacturing, with the LT-R series being highly influential.
Lt250R Development:
The LT250R was a key model in Suzuki's sport ATV lineup, evolving from earlier models and setting benchmarks for performance and handling.
Manufacturing Period:
Produced through the late 1980s and early 1990s, with the 1988 model being a significant iteration.