Target Audience:
Owners, independent repair shops, and mechanics working on Suzuki LT80 Quad Runner ATVs.
Value Proposition:
Provides essential information for maintaining and repairing a popular youth ATV, saving on dealership service costs and extending vehicle lifespan.
Comprehensiveness:
Covers a wide range of model years and all major mechanical and electrical systems.
Detail Level:
Includes detailed diagrams, torque specifications, and troubleshooting guides.
Covered Years:
1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
Estimated Page Count:
300+
Type:
Service Repair Manual
Engine:
Complete engine overhaul, disassembly, assembly, inspection, tuning, carburetor, ignition system, cooling system (air-cooled), exhaust system.
Transmission:
Automatic transmission (CVT) service, clutch assembly, drive belt, gear reduction inspection and adjustment.
Drivetrain:
Front and rear axle service, differential inspection, drive shafts, wheel bearings, chain drive maintenance (if applicable for specific sub-models).
Suspension:
Front and rear suspension components, shock absorbers, A-arms, bushings, steering system components, linkage maintenance.
Brakes:
Front and rear brake systems (drum or disc depending on year/variant), brake shoe/pad replacement, hydraulic system bleeding, brake cable adjustment.
Electrical:
Ignition system, lighting, charging system (stator, regulator/rectifier), battery service, starter motor, wiring diagrams, component testing.
Fuel System:
Fuel tank, fuel lines, fuel filter replacement, carburetor disassembly, cleaning, adjustment, and troubleshooting.
Frame And Body:
Frame inspection, body panel removal/installation, fenders, handlebars, seat, plastic components, graphics.
Maintenance:
Routine maintenance checks, oil changes, filter replacements, spark plug service, chain lubrication and adjustment, battery maintenance, air filter cleaning/replacement.
Troubleshooting:
Diagnostic procedures for common starting, running, and performance issues. Fault finding based on symptoms.
Repair:
Step-by-step instructions for component removal, repair, and reinstallation for all major systems.
Rebuilds:
Complete engine and transmission rebuild procedures with detailed specifications.
Adjustments:
Carburetor adjustments, brake adjustments, clutch adjustments, chain tension adjustments.
Depth:
Comprehensive, covering from basic maintenance to complete engine and transmission overhauls, including detailed diagnostic information and specifications.
Engine Type:
Two-stroke, single-cylinder
Bore X Stroke:
43.0 mm x 50.0 mm
Cooling System:
Air-cooled
Ignition System:
CDI (Capacitor Discharge Ignition)
Compression Ratio:
6.5 : 1
Starting System:
Kick starter
Horsepower:
Approximately 7-8 HP (Varies slightly by year and tuning)
Torque:
N/A (Specific figures often not published for this class of ATV)
Fuel Delivery:
Mikuni VM14SC carburetor
Fuel Type:
Unleaded gasoline (87 octane recommended)
Fuel Tank Capacity:
2.0 L (0.5 US gal)
Oil Type:
2-stroke premix oil (typically 10W-30 or specific 2T oil)
Oil Mixture Ratio:
50:1 (Gasoline to Oil)
Atv Safety Standards:
Designed to meet American National Standards Institute (ANSI) standards for ATVs. Parental supervision and protective gear are always recommended.
Throttle Limiter:
Adjustable throttle limiter screw for speed control.
Parking Brake:
Hand-operated parking brake lever.
Footwells:
Wide, integrated footwells with grip treads for rider stability.
Handlebar Design:
Comfortable handlebar grip with safety features like thumb throttle guard.
Oil Change Engine:
Every 20 hours or annually (refer to manual for specific recommendations based on usage).
Air Filter Service:
Clean every 10 hours, replace as needed. Critical for 2-stroke engine longevity.
Spark Plug Service:
Check and clean every 20 hours, replace every 100 hours or as needed.
Drive Chain Lubrication:
Lubricate and adjust chain tension every 10 hours of riding.
Engine Oil:
Suzuki recommends a high-quality SAE 10W-30 API SE/SF 2-stroke oil for oil injection, or for premix, a specific 2-stroke engine oil compatible with Suzuki's recommendations (e.g., 50:1 ratio).
Transmission Gear Oil:
Suzuki Gear Oil 80W (API GL-3) or equivalent.
Brake Fluid:
DOT 3 or DOT 4 (check master cylinder cap for specific type).
Carburetor Clogging:
Common issue due to fuel sitting, requiring regular cleaning and proper fuel storage.
Drive Belt Wear:
CVT drive belt can wear over time, leading to slipping and reduced performance. Regular inspection and replacement are recommended.
Carburetor Pilot Jet:
Pilot jet can be prone to clogging, affecting idle and low-speed performance.
Ignition Coil Failure:
Ignition coil can fail over time, leading to no spark.
Starter Clutch Wear:
The starter clutch mechanism can wear, causing the starter to engage or disengage improperly.
Exhaust Leak:
Exhaust gasket leaks can occur, affecting engine performance and sound.
Manufacturer Origin:
Japan
Development Focus:
The LT80 was developed as an entry-level, youth-oriented ATV, emphasizing ease of use, reliability, and safety for younger riders.
Production Period:
1987 - 2006 (Discontinued in North America, continued in other markets for a period).
Key Markets:
North America, Europe, Australia.