Vehicle Segment:
Sport Touring Motorcycle
Target Audience:
Riders seeking a versatile motorcycle capable of comfortable long-distance touring and spirited riding on varied roads.
Key Competitors:
Honda VFR800, Kawasaki GTR1400 (later models), Suzuki Bandit 1200S, Triumph Sprint ST.
Engine Configuration:
Parallel-twin, DOHC, 4-valve per cylinder, liquid-cooled.
Chassis Design:
Aluminum twin-spar frame, offering a balance of rigidity and light weight.
Suspension:
Adjustable front forks and monoshock rear suspension for customizable ride quality.
Braking System:
Dual front disc brakes and single rear disc brake, often featuring ABS on certain variants.
Engine Systems:
Engine overhaul, cylinder head, valve train, piston and connecting rod, crankshaft, lubrication system, cooling system, fuel injection system, ignition system, starting system, emissions control.
Transmission Drivetrain:
Gearbox, clutch, chain drive, final drive inspection and maintenance.
Chassis Suspension:
Frame, front fork, rear suspension (shock absorber, swingarm), steering system, wheel bearings.
Brakes:
Front and rear brake systems, hydraulic lines, brake calipers, master cylinders, brake fluid replacement and bleeding, ABS system (if applicable).
Electrical System:
Battery, charging system (alternator, rectifier/regulator), lighting system (headlight, taillight, indicators), ignition system, starter motor, wiring diagrams, fuses, relays, instrument cluster, ECU.
Bodywork Fittings:
Fairing removal and installation, seat, fuel tank, fenders, exhaust system components, rider controls.
General Maintenance:
Oil and filter changes, air filter cleaning/replacement, spark plug inspection/replacement, chain lubrication and adjustment, brake pad inspection, tire pressure checks.
Troubleshooting:
Diagnostic procedures for common problems, fault finding charts based on symptoms, electrical system troubleshooting using wiring diagrams.
Repair Rebuild:
Step-by-step instructions for major component disassembly, inspection, repair, and reassembly (e.g., engine internal components, suspension fork rebuild, brake caliper overhaul).
Specifications Data:
Torque specifications for all fasteners, clearances, fluid capacities, electrical specifications (voltages, resistances), dimensions.
Depth Level:
Comprehensive, covering routine maintenance to complete engine and chassis overhaul. Suitable for experienced DIY mechanics and professional technicians.
Digital Format:
PDF (Portable Document Format) is standard, allowing for easy searching and printing.
Printability:
Designed for printing, typically with clear diagrams and text. High-resolution for readability.
Physical Format:
If printed, typically spiral-bound for lay-flat viewing in a workshop environment.
Paper Quality:
If printed, often on durable, coated paper to withstand workshop conditions.
Engine Type:
Liquid-cooled, four-stroke, DOHC, parallel-twin
Bore X Stroke:
98.0 mm x 74.5 mm
Compression Ratio:
10.4:1
Valve Actuation:
DOHC, 4 valves per cylinder
Horsepower:
Approx. 90-95 hp (at crankshaft, varies slightly by region)
Torque:
Approx. 88-92 Nm (at crankshaft, varies slightly by region)
Fuel Delivery:
Electronic Fuel Injection (EFI) with dual throttle valves (YCC-T is not present on this generation).
Fuel Type:
Unleaded gasoline, minimum 91 octane rating (RON+MON)/2
Oil Type Capacity:
Yamaha Yamalube 10W-40 or equivalent motorcycle oil. Capacity approx. 3.4 L (with filter change).
Coolant Type:
Permanent type antifreeze coolant (50% solution) with distilled water.
ABS Availability:
Optional ABS (Anti-lock Braking System) available on some models/regions.
Braking Performance:
Dual 298mm front discs with 4-piston calipers, 245mm rear disc with 2-piston caliper, providing strong and modulated stopping power.
Lighting:
Halogen headlight, LED taillight, clear lens turn signals.
Frame Rigidity:
Aluminum twin-spar frame contributes to stable handling and rider confidence.
Ergonomics:
Designed for rider comfort on longer journeys, with a balanced riding position.
Instrument Cluster:
Analog tachometer, digital speedometer, odometer, trip meters, fuel gauge, clock, engine temperature warning light, oil pressure warning light.
ABS System:
Optional Bosch ABS unit providing enhanced safety during braking.
Diagnostic Ports:
On-board diagnostics (OBD) port for electronic fault diagnosis, accessible via the service manual's procedures.
Oil Change Interval:
Every 6,000 km or 12 months, whichever comes first.
Air Filter Service:
Every 12,000 km, clean/replace as needed.
Spark Plug Service:
Inspect every 12,000 km, replace as needed.
Chain Maintenance:
Lubricate and adjust chain every 1,000 km or after washing/riding in rain.
Valve Clearance Check:
Every 24,000 km.
Engine Oil Viscosity:
10W-40 (API SG or higher, JASO MA standard)
Brake Fluid:
DOT 4 recommended for both front and rear brake systems.
Coolant:
50% ethylene glycol based coolant with distilled water.
Typical Wear Items:
Chain and sprockets, brake pads, clutch plates (with high mileage), fork seals (age-related degradation).
Potential Electrical Issues:
Stator or rectifier/regulator failure can occur with age, leading to charging problems. Poor grounding connections.
Fuel Injection Performance:
Occasional issues with fuel injectors or throttle body synchronization can affect idle or low-speed running, often resolvable with cleaning and adjustment.
Yamaha Motorcycles:
Yamaha Motor Company is a Japanese manufacturer of motorcycles, marine products, and other motorized products. Known for innovation and performance.
Tdm Series:
The TDM series began in the early 1990s, evolving from the TRX850 parallel-twin engine, emphasizing a balance of sport and touring capabilities. The 900 model represents a significant update with fuel injection and improved chassis.
Production Years:
The TDM 900 was produced from 2001 to 2010.
Manufacturing Location:
Primarily manufactured in Japan.
