Target User:
Owners and mechanics of the 2000 Yamaha TTR 90 motorcycle seeking to perform maintenance, repairs, and diagnostics.
Value Proposition:
Provides essential information for maintaining and repairing the TTR 90, reducing reliance on dealerships and aftermarket shops.
Manual Comprehensiveness:
Covers all aspects of service and repair, from basic maintenance to detailed component overhauls.
Diagrams And Illustrations:
Includes detailed diagrams and illustrations to aid in understanding complex procedures.
Engine Service:
Engine overhaul, piston, cylinder, valve adjustments, camshaft inspection, timing chain, lubrication system.
Fuel System:
Carburetor adjustment and cleaning, fuel lines, fuel tank inspection, petcock operation.
Transmission Service:
Gearbox inspection, clutch operation, shift mechanism, transmission fluid changes.
Electrical System:
Wiring diagrams, ignition system, lighting, battery maintenance, starter system, charging system.
Chassis And Suspension:
Front forks (damping, seals, oil), rear shock absorber, swingarm maintenance, steering head bearings.
Braking System:
Brake lever and pedal adjustment, brake pad replacement, brake fluid bleeding, drum brake inspection (if applicable).
Wheels And Tires:
Tire pressure, spoke tension, wheel bearing inspection, rim maintenance.
Bodywork And Frame:
Seat removal, plastic panel inspection, frame integrity checks.
Routine Maintenance:
Oil changes, filter replacements, chain lubrication and adjustment, spark plug inspection and replacement.
Troubleshooting:
Diagnostic procedures for common starting issues, engine performance problems, electrical faults.
Repair Procedures:
Step-by-step instructions for component disassembly, cleaning, inspection, and reassembly.
Technical Specifications:
Torque values for critical fasteners, clearances, tolerances, and fluid capacities.
Wiring Diagrams:
Detailed electrical schematics for accurate diagnosis and repair.
Depth Of Coverage:
Comprehensive, suitable for both amateur mechanics and professional technicians.
Format Type:
Digital Download (PDF)
Searchability:
Likely text-searchable PDF for quick information retrieval.
Print Readability:
Designed for clear reproduction when printed, with legible diagrams and text.
Binding:
Not applicable for digital download.
Paper Quality:
Not applicable for digital download, but original manuals typically use high-quality, durable paper.
Engine Type:
Four-stroke, SOHC, air-cooled
Bore X Stroke:
Approx. 50.0 mm x 45.8 mm (confirm with specific manual data)
Compression Ratio:
Typically around 9.5:1 or similar for this class of engine (confirm with specific manual data).
Horsepower:
Not readily available as a standardized spec for this model, focus is on reliability and usability for youth riders.
Torque:
Not readily available as a standardized spec for this model.
Carburetor Model:
Likely a Mikuni VM series or similar small-bore carburetor (e.g., VM16 or VM17 - confirm with specific manual data).
Fuel Type:
Unleaded gasoline
Fuel Capacity:
Approximately 4.5 liters (1.19 US gal) (confirm with specific manual data).
Oil Type:
SAE 10W-30 or 10W-40 API SF or SG (confirm with specific manual data).
Oil Capacity:
Approximately 0.9 - 1.0 liters for engine oil (confirm with specific manual data).
Overall Length:
Approximately 1655 mm (65.1 in) (confirm with specific manual data).
Overall Width:
Approximately 735 mm (28.9 in) (confirm with specific manual data).
Overall Height:
Approximately 1035 mm (40.7 in) (confirm with specific manual data).
Seat Height:
Approximately 740 mm (29.1 in) (confirm with specific manual data).
Wheelbase:
Approximately 1170 mm (46.1 in) (confirm with specific manual data).
Dry Weight:
Approximately 75 kg (165 lbs) (confirm with specific manual data).
Wet Weight:
Not typically specified, dry weight is the standard metric.
Crash Safety:
Not applicable, as motorcycles are not subjected to crash test ratings like automobiles.
Braking System Type:
Front drum brake, Rear drum brake.
Lighting:
Headlight, taillight, brake light, turn signals (region dependent).
Engine Oil Change:
Every 1000 km or 6 months (confirm with specific manual data).
Air Filter Cleaning:
Every 1000 km or as needed based on riding conditions (confirm with specific manual data).
Spark Plug Inspection:
Every 3000 km or annually (confirm with specific manual data).
Chain Adjustment:
Regularly, or every 500 km (confirm with specific manual data).
Engine Oil Viscosity:
SAE 10W-30 or 10W-40
Brake Fluid Type:
DOT 3 or DOT 4 (confirm with specific manual data).
Common Wear Items:
Chain and sprockets, brake pads, tires, spark plug, air filter are common wear items.
Carburetor Cleaning:
Periodic cleaning may be required due to fuel quality or debris ingress.
Suspension Seals:
Fork seals can wear over time, especially with off-road use, leading to oil leaks.
Manufacturer:
Yamaha Motor Company is a world-renowned manufacturer of motorcycles, marine products, and musical instruments, with a long history of innovation in motorcycling.
Ttr Lineup:
The TTR line represents Yamaha's range of off-road motorcycles, often favored for their reliability and ease of use for younger riders or trail riding enthusiasts.
Model Introduction:
The TTR 90 was introduced as a smaller-displacement, beginner-friendly off-road motorcycle, slotting into Yamaha's popular TTR range.
