Target Audience:
Owners of the 2006 Yamaha TTR125, aspiring mechanics, and professional motorcycle repair shops.
Vehicle Segment:
Entry-level to intermediate off-road trail bike.
Key Competitors:
Honda CRF125F (and previous CRF100F), Kawasaki KLX125/KLX140, Suzuki DR-Z125.
Vehicle Selling Points:
Reliability, user-friendly power delivery, durable construction, excellent for trail riding and learning.
Manual Value Proposition:
Empowers owners to perform maintenance and repairs, saving money and extending the life of the motorcycle.
Engine:
Detailed coverage including disassembly, assembly, inspection, troubleshooting, and repair of all engine components.
Fuel System:
Carburetor tuning, cleaning, and repair; fuel tank and petcock maintenance.
Ignition System:
Ignition timing, spark plug specifications, CDI unit, and troubleshooting.
Transmission:
Clutch operation, gear shifting mechanism, transmission disassembly and reassembly.
Chassis:
Frame inspection, suspension system (forks and rear shock) maintenance and repair, steering system.
Brakes:
Front and rear brake system maintenance, fluid replacement, caliper and master cylinder service.
Electrical System:
Wiring diagrams, battery service, lighting system, charging system (stator, rectifier/regulator).
Cooling System:
Air-cooled engine specific maintenance and inspection.
Exhaust System:
Muffler and pipe inspection and maintenance.
Routine Maintenance:
Oil changes, filter cleaning/replacement, chain adjustment, spark plug checks, air filter maintenance.
Troubleshooting:
Diagnostic procedures for common performance issues and component failures.
Engine Overhaul:
Complete engine rebuild procedures, including piston, ring, valve, and cylinder head service.
Suspension Service:
Fork seal replacement, oil changes, and rear shock adjustments or rebuilds.
Brake System Repair:
Brake bleeding, pad replacement, caliper service, and hose replacement.
Electrical Diagnostics:
Wiring harness troubleshooting, component testing (lights, horn, etc.).
Depth Of Information:
Comprehensive, suitable for professional technicians and experienced DIY mechanics. Covers detailed disassembly, reassembly, and precise specifications.
File Type:
PDF (Portable Document Format)
Searchable Text:
Typically yes, allowing for quick navigation to specific topics.
Printable Pages:
Yes, allowing users to print specific sections or the entire manual.
Image Resolution:
High-resolution images and diagrams for clarity.
Binding:
N/A (for digital format, but if printed would be spiral-bound for lay-flat use).
Paper Quality:
N/A (for digital format, but professional manuals typically use durable, high-quality paper).
Engine Type:
Air-cooled, 4-stroke, SOHC, 2-valve
Bore X Stroke:
54 mm x 54.5 mm
Horsepower:
Approx. 10-12 HP (manufacturer does not typically publish exact figures for this class)
Torque:
Approx. 7-8 lb-ft (manufacturer does not typically publish exact figures for this class)
Fuel Delivery:
Mikuni VM20SS (or similar) 20mm carburetor
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
1.6 gallons (6.0 L)
Safety Certifications:
Not typically rated by automotive safety bodies; designed for off-road use.
Braking System:
Hydraulic disc brakes front and rear.
Suspension:
Telescopic front forks and a linkage-type rear monoshock provide controlled handling.
Lighting:
Headlight and taillight for visibility.
Engine Oil Change:
Every 600 miles (1000 km) or 6 months, whichever comes first (refer to manual for exact interval).
Air Filter Cleaning:
Every 600 miles (1000 km) or more frequently in dusty conditions.
Spark Plug Check:
Every 600 miles (1000 km).
Valve Clearance Check:
Every 6,000 miles (10,000 km).
Engine Oil Type:
Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher.
Engine Oil Capacity:
1.0 US qt (0.95 L) when filter is not removed; 1.1 US qt (1.05 L) when filter is removed.
Brake Fluid Type:
DOT 3 or DOT 4.
Common Wear Items:
Clutch plates, chain and sprockets, brake pads, fork seals due to off-road use.
Carburetor Tuning:
May require periodic cleaning and adjustment, especially if fuel is left in the tank for extended periods.
Manufacturer:
Yamaha Motor Company, a renowned Japanese manufacturer of motorcycles, marine products, and more.
Ttr Series Lineage:
The TTR line is Yamaha's range of reliable, air-cooled four-stroke off-road motorcycles, popular for trail riding and beginners.
Ttr125 Introduction:
Introduced to fill the gap in Yamaha's off-road lineup, offering a more accessible option than the YZ series.
Production Period:
The TTR125 was produced for many years, with the 2006 model being a part of its significant production run.
