Class:
Dual-sport / Enduro motorcycle
Target Audience:
Off-road enthusiasts, dual-sport riders, recreational riders, mechanics.
Competitors Era:
Honda XR series, Suzuki DR series, Kawasaki KLR/KDX series, KTM EXC series.
Versatility:
Designed for both trail riding and moderate street use, offering a balance of off-road capability and road-legal features.
Simplicity:
Robust, air-cooled engine design prioritizes reliability and ease of maintenance.
Engine:
Complete engine overhaul, tuning, diagnostics, cylinder head, piston, crankshaft, valve timing, lubrication system.
Fuel System:
Carburetor service and adjustment (e.g., Mikuni), fuel pump (if applicable), fuel lines, fuel tank maintenance.
Transmission:
Gearbox disassembly, assembly, inspection, gear selection mechanisms, clutch operation and adjustment.
Drivetrain:
Final drive (chain and sprockets), lubrication, adjustment, inspection.
Electrical System:
Ignition system (CDI, spark plug), lighting system, battery, charging system (stator, regulator/rectifier), wiring diagrams, troubleshooting.
Suspension:
Front forks (damping, seals, oil level and type), rear shock absorber (preload adjustment, damping), linkages, bearings.
Brakes:
Front and rear brake systems (disc or drum depending on sub-model), hydraulic system, brake pads/shoes, fluid replacement, bleeding procedures.
Cooling System:
Air-cooled engine thermal management, air intake and exhaust systems.
Frame And Body:
Frame inspection, fairings, seat, handlebars, footpegs, fenders, general assembly.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, chain lubrication and adjustment, spark plug checks, brake fluid checks, air filter cleaning/replacement.
Troubleshooting:
Diagnostic charts for common starting, running, and electrical issues.
Repair:
Step-by-step instructions for component disassembly, repair, and reassembly.
Diagnostics:
Identification of fault symptoms and potential causes.
Specifications:
Torque values, clearance settings, fluid capacities, electrical resistance values.
Depth:
Comprehensive, from basic routine maintenance to full engine and transmission rebuilds.
Digital Format:
PDF (Portable Document Format)
Digital Quality:
High resolution, clear text and images, searchable content.
Print Binding:
Coil-bound or perfect-bound (for physical copies)
Print Paper:
Durable, coated paper for workshop use (for physical copies)
Engine Layout:
Single-cylinder, four-stroke
Bore X Stroke:
Approx. 77.0 mm x 73.6 mm (varies slightly by year/variant)
Compression Ratio:
Approx. 9.5:1 (varies by year/variant)
Horsepower Estimate:
25-30 HP (estimated, actual figures vary by specific model year and tuning)
Torque Estimate:
20-25 lb-ft (estimated, actual figures vary)
Carburetor Type:
Mikuni VM series (e.g., VM34, VM36) or similar
Fuel Type:
Unleaded gasoline
Oil Change Interval:
Every 1,000-1,500 miles (1,600-2,400 km) or annually, whichever comes first.
Spark Plug Check:
Every 1,000-2,000 miles (1,600-3,200 km).
Air Filter Cleaning:
Every 500-1,000 miles (800-1,600 km), or more frequently in dusty conditions.
Valve Clearance Check:
Every 3,000-5,000 miles (4,800-8,000 km).
Engine Oil Type:
Yamalube 4 (or equivalent) SAE 10W-40 or 20W-50 motorcycle specific oil.
Engine Oil Capacity:
Approx. 1.5 - 1.8 Liters (check manual for exact figure).
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid.
Common Wear Items:
Clutch wear, carburetor jetting issues due to age, suspension seal leaks, exhaust system corrosion.
Electrical Gremlins:
Corroded electrical connectors, failing CDI units or regulator/rectifiers over time.