Category:
Dual-Sport / Enduro Motorcycle
Target User:
Enthusiasts seeking off-road capability with street legality
Competitors:
Honda XR250R/L, Kawasaki KLX250R, Suzuki DR250SE
Vehicle Type:
Lightweight, versatile, off-road focused dual-sport
Engine Characteristics:
Reliable, tractable power delivery suitable for various terrains
Suspension Capability:
Long-travel, adjustable suspension for off-road performance
Value:
Provides dealership-level diagnostic and repair information for DIY or professional service
Engine:
Complete overhaul, disassembly, assembly, tuning, diagnostics
Transmission:
Clutch operation, gearbox inspection, lubrication, troubleshooting
Fuel System:
Carburetor tuning, cleaning, jetting, fuel pump, fuel tank maintenance
Ignition System:
CDI unit, spark plug, ignition timing, troubleshooting
Cooling System:
Liquid cooling system inspection, coolant replacement, fan operation
Electrical System:
Wiring diagrams, battery, charging system, lighting, starter motor
Suspension:
Front fork (USD) maintenance, rear shock absorber service, adjustments
Brakes:
Front and rear brake system maintenance, fluid replacement, pad inspection, caliper service
Wheels And Tires:
Tire inspection, pressure checks, wheel bearing service
Frame And Bodywork:
Frame inspection, fairing removal and installation, seat maintenance
Exhaust System:
Muffler inspection, gasket replacement
Maintenance:
Oil changes, filter replacement, chain adjustment, lubrication points
Troubleshooting:
Diagnostic flowcharts for common starting, running, and electrical issues
Repair:
Component-level repair, replacement of worn or damaged parts
Rebuilding:
Engine and carburetor rebuilding procedures
Adjustments:
Carburetor idle speed, clutch lever free play, suspension settings
Specifications:
Torque values for critical fasteners, clearances, fluid capacities
Depth:
Comprehensive, dealership-level detail
Engine Type:
Four-stroke, DOHC, 4-valve, single-cylinder
Displacement:
249 cc (15.2 cu. in.)
Bore X Stroke:
73.0 mm x 59.5 mm
Cooling System:
Liquid-cooled
Compression Ratio:
11.6:1
Horsepower:
Approximately 27 hp @ 8000 rpm (estimated)
Torque:
Approximately 18 lb-ft @ 7000 rpm (estimated)
Carburetor:
Mikuni BSR33, single carburetor
Fuel Capacity:
2.6 US gal (10 L)
Infotainment System:
N/A (Basic motorcycle instrumentation)
ABS:
Not equipped with ABS
Dashboard:
Analog speedometer, tachometer, odometer, trip meter, neutral indicator, high beam indicator, turn signal indicators
Engine Oil Change:
Every 3,000 km (1,860 miles) or 6 months (refer to manual for precise interval)
Oil Filter Replacement:
At every oil change
Air Filter Cleaning:
Every 1,000 km (620 miles) or more frequently in dusty conditions
Spark Plug Replacement:
Every 6,000 km (3,700 miles)
Chain Lubrication Adjustment:
Every 500 km (310 miles)
Engine Oil Specification:
Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher
Coolant Specification:
Permanent type antifreeze coolant (ethylene glycol based) with distilled water (50:50 mix)
Brake Fluid Specification:
DOT 3 or DOT 4 hydraulic brake fluid
Carburetor Tuning:
Can sometimes require re-jetting for altitude or aftermarket exhaust modifications.
Clutch Wear:
Clutch plates may wear faster under aggressive off-road use.
Suspension Seals:
Fork seals can occasionally leak with heavy off-road use.
Manufacturer:
Yamaha Motor Company
Heritage Focus:
Known for performance motorcycles, including motocross and off-road racing heritage
Tt R Lineage:
Part of Yamaha's TT-R line, known for user-friendliness and off-road capability
Previous Generations:
TT-R series evolved from earlier dual-sport models, incorporating modern technology
Production Era:
Late 1990s to mid-2000s
