Category:
Dual-sport / Adventure / Enduro motorcycle
Target Audience:
Riders seeking robust performance, off-road capability, and long-distance touring potential.
Competitors:
BMW GS series (smaller displacement models), Honda Transalp, Yamaha Tenere, Suzuki DR-Z.
Engine Design:
LC4 (Liquid-cooled, 4-stroke) single-cylinder engine known for its torque and durability.
Suspension Setup:
Long-travel, high-quality suspension (often WP) providing excellent off-road capability and comfort.
Versatility:
Adaptable for both on-road commuting and off-road adventures.
Engine:
LC4 Single-Cylinder Engine (4-stroke), including top-end, bottom-end, valve train, cooling system, lubrication.
Fuel System:
Carburetor systems (e.g., Keihin CVK, Mikuni TM), fuel pump, fuel lines, fuel tank.
Ignition System:
CDI ignition, spark plug, ignition coil, stator, wiring.
Transmission:
Gearbox, clutch (hydraulic actuation), shifting mechanism, oil.
Chassis:
Frame, subframe, swingarm, steering head bearings.
Suspension:
Front forks (e.g., WP USD), rear shock absorber (e.g., WP Monoshock), seals, oil, damping adjustments.
Brakes:
Front and rear disc brake systems (e.g., Brembo calipers), master cylinders, brake lines, pads, fluid.
Electrical System:
Battery, charging system (alternator), starter motor, lighting, instrumentation, wiring diagrams.
Exhaust System:
Exhaust headers, muffler, emissions components (where applicable).
Bodywork:
Fairings, fuel tank, seat, fenders, chain guard.
Maintenance:
Oil changes, filter replacements, chain adjustment, brake bleeding, air filter cleaning/replacement, spark plug service.
Troubleshooting:
Diagnostic procedures for common starting, running, and electrical issues.
Repair:
Engine rebuilds, transmission disassembly and reassembly, suspension fork overhaul, brake caliper servicing, electrical component replacement.
Assembly Disassembly:
Step-by-step guides for major component removal and installation.
Torque Specifications:
Crucial torque values for critical fasteners throughout the motorcycle.
Depth:
Detailed workshop-level information suitable for professional mechanics and advanced DIY enthusiasts.
Engine Type:
Four-stroke, single-cylinder, liquid-cooled
Engine Displacement 400:
Approx. 398cc
Engine Displacement 525:
Approx. 510cc
Engine Displacement 620/640:
Approx. 625cc
Engine Displacement 660:
Approx. 652cc
Bore X Stroke Typical:
Varies by model, e.g., 95mm x 92mm for 640cc
Horsepower Typical 640:
Approx. 50-55 HP @ 6500-7000 RPM
Torque Typical 640:
Approx. 60-65 Nm @ 5000-5500 RPM
Carburetor Type Common:
Keihin 39mm or 41mm CVK, Mikuni BST/TM series
Fuel Grade Recommended:
Unleaded gasoline, 95 RON (or higher).
Cooling Medium:
Liquid (Antifreeze mixture)
Type:
5-speed or 6-speed constant mesh gearbox
Optional Gearboxes:
N/A (typically fixed to engine)
Clutch Type:
Wet multi-plate clutch, hydraulically actuated
Transmission Oil Type:
API SG, Jaso MA certified motorcycle oil (e.g., 10W-40, 15W-50)
Safety Ratings:
N/A (Motorcycle, subject to rider skill and road conditions)
Braking System:
Hydraulic disc brakes front and rear, often with performance calipers.
Tire Type Recommendation:
Dual-sport or street-biased tires suitable for intended use.
Frame Construction:
Chromoly steel trellis frame for strength and rigidity.
Oil Change Interval:
Typically every 5,000 - 7,500 km or annually, check manual for specifics.
Air Filter Service:
Inspect every 5,000 km, clean/replace as needed based on conditions.
Spark Plug Replacement:
Typically every 10,000 - 15,000 km.
Engine Oil Capacity Typical:
Approx. 1.8 - 2.3 Liters (including filter, check manual)
Coolant Type:
Ethylene glycol-based antifreeze mixture (e.g., MOTOREX M5.0)
Common Wear Items:
Clutch plates, fork seals, wheel bearings, starter motor brushes, cam chain tensioner.
Carburetor Tuning:
Can be sensitive to altitude and temperature, requires periodic tuning/cleaning.
Oil Consumption:
Some higher mileage engines may exhibit increased oil consumption; monitoring levels is crucial.