Segment:
High-Performance Enduro Motorcycle
Target Audience:
Competitive Enduro Riders, Off-Road Enthusiasts
Key Competitors:
Husqvarna TE450, Yamaha WR450F, Honda CRF450X, Suzuki RMX450Z, Kawasaki KLX450R
Vehicle Highlights:
Powerful 4-stroke engine, robust chassis, advanced WP suspension, lightweight construction, purpose-built for extreme off-road conditions, 'SIX DAYS' designation signifies special edition models often equipped with factory upgrades for international enduro competitions.
Engine:
Complete engine overhaul, assembly, disassembly, specifications, tuning, cooling system, lubrication system
Fuel System:
Carburetor (Keihin FCR 41), fuel pump, fuel tank, fuel lines, fuel filter
Ignition System:
Ignition coil, spark plug, CDI unit, timing
Transmission:
Clutch (hydraulic), gearbox, gear shift mechanism, lubrication
Chassis And Frame:
Frame, subframe, steering system, suspension (front and rear), linkages
Suspension Front:
WP USD forks, internal components, damping adjustments, seals, oil specifications
Suspension Rear:
WP PDS shock absorber, linkage system, adjustments, rebuild procedures
Brakes:
Front and rear brake systems (disc brakes), hydraulic lines, calipers, master cylinders, fluid replacement, bleeding procedures
Electrical System:
Wiring diagrams, lighting system, battery, starter motor, charging system, fuses, relays
Cooling System:
Radiator, coolant, hoses, fan operation
Exhaust System:
Exhaust headers, muffler, packing replacement
Wheels And Tires:
Wheel bearings, spoke tension, tire pressure, rim maintenance
Bodywork And Plastics:
Fairings, seat, fenders, graphics
Maintenance:
Scheduled maintenance, oil changes, filter replacements, valve clearance checks, chain adjustment, spark plug replacement, brake fluid replacement
Troubleshooting:
Diagnostic procedures for common problems, fault finding charts
Repair:
Step-by-step repair instructions for all major components and systems
Rebuilds:
Complete engine and transmission rebuild procedures
Adjustments:
Carburetor tuning, suspension adjustments, clutch and brake lever adjustments
Specifications:
Torque specifications, clearances, fluid capacities, electrical resistance values
Level:
Professional Workshop Level (suitable for experienced technicians and knowledgeable DIY enthusiasts)
Detail Level:
In-depth, component-level detail with diagrams and illustrations
Type:
4-Stroke Single-Cylinder, SOHC, Liquid-Cooled
Bore X Stroke:
97.0 mm x 60.8 mm
Compression Ratio:
11.5:1 (Approximate)
Horsepower:
Approximately 50-55 HP (dependent on tuning and specific year)
Torque:
Not officially specified, but robust low-to-mid-range torque
Carburetor:
Keihin FCR 41 MX with accelerator pump
Fuel Type:
Unleaded Premium Gasoline (95 RON or higher recommended)
System:
Integrated oil tank with separate oil circuit for engine and gearbox.
Type:
Liquid Cooling (Engine Coolant)
Engine Oil Change:
Every 10-15 engine operating hours or monthly, whichever comes first (refer to manual for precise intervals based on usage).
Oil Filter Replacement:
Concurrent with engine oil changes.
Air Filter Cleaning:
Frequent cleaning recommended, especially in dusty conditions (every few rides).
Valve Clearance Check:
Every 30-40 engine operating hours.
Spark Plug Replacement:
As needed, typically every 50-70 hours, or based on inspection.
Engine Oil Type:
Fully Synthetic Motorcycle Oil, SAE 10W/50, API SG, JASO MA/MA2 (e.g., Motorex Power Synt 4T 10W/50).
Engine Oil Capacity:
1.1 Liters (1.16 US Quarts) with filter change.
Transmission Oil Type:
Same as engine oil (KTM shares oil between engine and transmission).
Transmission Oil Capacity:
Included in the 1.1L total engine oil capacity.
Coolant Type:
High-quality motorcycle coolant (50% distilled water and 50% antifreeze/anti-corrosion additive), such as Motorex Coolant M5.0.
Brake Fluid Type:
DOT 4 Hydraulic Brake Fluid (e.g., Brembo Brake Fluid Type 4).
Typical Wear Items:
Clutch plates, spark plug, air filter, piston rings, valve seats, wheel bearings, steering head bearings, brake pads, suspension seals.
Common Faults:
Carburetor jetting sensitivity to altitude and temperature, occasional clutch slave cylinder seal leaks, fork seal weepage.
Spark Plug Type:
NGK CR9EKB or equivalent
Valve Clearance Intake:
0.05 - 0.10 mm
Valve Clearance Exhaust:
0.10 - 0.15 mm
Fork Oil Type:
WP Suspension Fluid / SAE 5W (e.g., Motorex Fork Oil SAE 5W)
Fork Oil Level:
Refer to manual for specific model year, typically around 100mm from top of inner tube with spring removed.
Rear Shock Oil Type:
Specific WP PDS shock absorber fluid required.
Chain Slack:
20-30 mm (13-19 mm is often preferred for off-road).