Market Niche:
Essential resource for owners and mechanics of the Suzuki LT125 QuadRunner, a popular utility and recreational ATV of its era.
Key Selling Points:
Instant download, no shipping, lifetime replacement policy, user-friendly PDF format, comprehensive coverage.
Advantage Over Print:
Provides immediate access for on-trail or on-site repairs, eliminates risk of damaging physical manuals with grease and dirt, cost-effective.
Accessibility:
Designed for ease of use by both novice mechanics and experienced technicians, with clear instructions and diagrams.
Covered Years:
1983, 1984, 1985, 1986, 1987
Vehicle Coverage Detail:
Specific to Suzuki LT125 QuadRunner models manufactured between 1983 and 1987, covering all variations sold during these years.
File Type:
Plain PDF, no zip files
Manual Type:
Repair Manual, Service Manual, Workshop Manual
Additional Manuals Available:
Owner's Manuals, Parts Catalogs
Systems Covered:
General Information, Routine Maintenance, Engine Removal/Installation, Fuel System, Lubrication and Cooling System, Engine Specifications, Transmission, Drive Chain & Sprockets, Steering System, Shocks, Body Work, Intake & Exhaust, Electrical System, Advanced Troubleshooting
Electrical Components Covered:
Wiring diagrams, lighting, ignition system, charging system, starter motor, switches, fuses.
Chassis Components Covered:
Frame, suspension (front and rear shocks), steering mechanism, wheels, tires, brakes.
Procedures Included:
Repair, Service, Routine Maintenance, Troubleshooting, Part Look-up
Engine Repair Procedures:
Complete engine disassembly, inspection, repair, and reassembly instructions, including piston, rings, cylinder, crankshaft, valve train, and gasket replacement.
Transmission Repair Procedures:
Detailed steps for transmission disassembly, gear inspection, bearing replacement, clutch service, and reassembly.
Carburetor Service:
Includes disassembly, cleaning, rebuilding, jetting specifications, and adjustment procedures for the Mikuni carburetor.
Technical Depth:
Comprehensive repair and service information for all listed models and model years.
Diagnostic Capabilities:
Provides diagnostic procedures for common issues, electrical troubleshooting charts, and symptom-based problem resolution.
Print Quality:
High-resolution, suitable for printing individual pages.
Searchability:
Assumed to be text-searchable PDF for ease of use.
Binding Type:
Not Applicable (Downloadable PDF)
Paper Type:
Not Applicable (Downloadable PDF)
Protection Policy:
Lifetime Protection Policy for lost or damaged downloads.
Engine Type:
Four-stroke, air-cooled, SOHC
Displacement:
123 cc (Cubic Centimeters)
Bore X Stroke:
52.0 mm x 57.6 mm
Horsepower:
Approximately 9-10 HP (Estimated for the era, specific figures may vary slightly by year and tuning)
Torque:
Not readily available in public domain; manual will contain specific torque figures.
Carburetor Type:
Mikuni VM Series (likely VM18 or similar, specific model in manual)
Fuel Type:
Unleaded Gasoline
Fuel Capacity:
Approximately 2.0 US Gallons (Manual will provide exact figure)
Oil Type:
API SE or SF, SAE 10W-40 or 20W-40 recommended (Manual will specify exact grades and API service classifications)
Oil Capacity:
Approximately 0.9 US Quarts (Manual will provide exact figure)
Cooling System:
Air Cooled
Valve Adjustment:
Manual will provide specific valve clearance specifications and adjustment procedures.
Transmission Type:
5-speed Manual with Automatic Clutch
Final Drive:
O-ring sealed chain drive
Clutch Type:
Wet multi-plate, automatic
Gear Selection:
Standard motorcycle-style foot shifter
Length:
Approx. 69.1 inches (Manual will provide precise figures)
Width:
Approx. 38.0 inches (Manual will provide precise figures)
Height:
Approx. 40.6 inches (Manual will provide precise figures)
Dry Weight:
Approx. 260 lbs (Manual will provide precise figures)
Payload Capacity:
Not specified in product description, but typically around 150-200 lbs for this class.
Front Tire Size:
AT19 x 7.00-8 (Manual will confirm exact specifications)
Rear Tire Size:
AT19 x 9.50-8 (Manual will confirm exact specifications)
Wheel Bolt Pattern:
Not Applicable (Hub-mounted wheels)
Braking System:
Front: Drum; Rear: Drum (Manual will detail adjustments and maintenance)
Lighting:
Headlight, Taillight/Brake Light (Electrical section of manual covers this)
Recommended Usage:
Recreational riding, light utility tasks (manual will cover safe operating procedures).
Infotainment System:
Not applicable (basic recreational/utility ATV).
Driver Assistance Features:
Not applicable (basic recreational/utility ATV).
Ignition System:
CDI (Capacitor Discharge Ignition)
Lighting System:
12V system for headlight and taillight.
Battery:
Typically a 12V, 6-9Ah battery (Manual will specify exact type and capacity).
Oil Change Interval:
Typically every 1,000 km or 6 months (Manual will provide precise recommended intervals).
Spark Plug Maintenance:
Check and gap every 1,000 km, replace as needed (Manual will specify plug type and gap).
Chain Lubrication Adjustment:
Lubricate every 500 km, adjust slack every 1,000 km (Manual will detail proper procedure and specifications).
Transmission Oil Type:
Likely SAE 80W or 90W gear oil (Manual will confirm exact specifications and capacity).
Brake Fluid:
Drum brake systems typically do not use hydraulic fluid; manual will confirm if any hydraulic components are present or if it's purely mechanical actuation.
Coolant Type:
Not Applicable (Air-cooled engine).
Common Wear Items:
Brake shoes, drive chain and sprockets, carburetor adjustments due to age, fuel line degradation, potential CDI unit issues (manual addresses diagnosis and repair).
Troubleshooting Guides:
The manual's 'Advanced Troubleshooting' section is crucial for diagnosing and resolving these and other potential issues.
Brand Origins:
Suzuki Motor Corporation, a Japanese multinational corporation known for a wide range of products, including motorcycles and ATVs.
Quadrunner Line:
The LT125 QuadRunner was part of Suzuki's pioneering efforts in the ATV market, establishing the QuadRunner brand's reputation for reliability and performance.
Production Period:
1983-1987
Manufacturing Location:
Likely Japan (Manual may provide more specific location details if available).
