Segment:
Entry-level to intermediate off-road/trail motorcycle.
Target Audience:
Beginner riders, recreational trail riders, motocross enthusiasts, and those seeking an accessible and reliable small-displacement dirt bike.
Competitors:
Honda CRF100F/CRF150F, Kawasaki KLX125/KLX140, Suzuki DR-Z125.
Features:
Lightweight, user-friendly design, reliable air-cooled engine, suitable for a wide range of riding conditions, durable construction, excellent platform for learning and enjoyment.
Value:
Essential for proper maintenance, diagnosing issues, and performing repairs, ensuring longevity and optimal performance of the Yamaha TTR125. Saves money on dealership service costs.
Manual Type:
Service Repair Workshop Manual
Format:
Digital (likely PDF, though not explicitly stated for the sale of this product)
Page Count:
Comprehensive, typically 300-500+ pages for this type of detailed service manual.
Applicable Models:
2007 Yamaha TTR125, TTR-125, TT-R125, TT-R125LW. Likely compatible with similar model years (e.g., 2000-2008) with potential minor variations.
Engine:
Detailed diagnostics, overhaul, tuning, lubrication, cooling, fuel system, ignition system, exhaust system, carburetor, piston, cylinder, valve train, crankshaft, camshaft, timing.
Transmission:
Clutch operation, gear shifting mechanisms, transmission overhaul, lubrication, gear inspection, shift drum and forks.
Chassis:
Frame inspection, fork and shock absorber servicing, steering system maintenance, wheel and tire service, brake system overhaul (front and rear), chain and sprocket maintenance, swingarm and linkage service.
Electrical:
Wiring diagrams, lighting system, ignition system components (CDI, spark plug, coil), battery maintenance, charging system, starting system (if applicable), component testing and troubleshooting.
Bodywork:
Seat removal and installation, fender maintenance, fuel tank service, handlebar and control adjustments, plastic panel removal and installation.
Maintenance:
Routine service checks, oil changes, filter replacements, chain lubrication and adjustment, spark plug replacement, air filter cleaning/replacement, brake pad inspection and replacement, tire pressure checks.
Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon issues, fault finding guides, symptom-based troubleshooting.
Repair:
Complete disassembly and reassembly instructions for all major and minor components, including engine rebuilds, transmission overhauls, suspension repairs, and electrical system fixes.
Specifications:
Torque specifications for all fasteners, engine clearances, valve adjustments, fluid capacities, electrical resistance values, diagnostic tool usage (if applicable).
Depth:
Comprehensive; suitable for professional mechanics and experienced DIY enthusiasts. Covers everything from basic maintenance to complete engine and transmission rebuilds, including detailed troubleshooting.
File Format:
Digital PDF (standard for online sales of manuals).
Searchability:
Likely text-searchable if a professionally produced PDF.
Printability:
Generally printable from a PDF reader.
Quality:
Depends on the source. Original Yamaha manuals are high quality. Digitized versions may vary in clarity of diagrams and text.
Binding Type:
N/A (Digital format)
Paper Type:
N/A (Digital format)
Completeness:
Full Service Repair Workshop Manual, covering all aspects of the vehicle's mechanical and electrical systems.
Engine Type:
4-stroke, SOHC, 2-valve, Air-cooled
Displacement:
124 cc (cc)
Bore X Stroke:
54.0 mm x 54.5 mm
Starting System:
Kick starter
Lubrication System:
Wet sump
Horsepower:
Approx. 10-12 HP (peak, varies with tuning and conditions)
Torque:
Approx. 8-9 Nm (peak, varies with tuning and conditions)
Fuel Delivery:
Carburetor
Carburetor Model:
Mikuni VM20SS (typical)
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
1.6 US gal (6.0 L)
Transmission Type:
Constant mesh 5-speed
Clutch Type:
Wet, multiple-disc
Transmission Options:
None (standard 5-speed)
Gear Ratios:
Refer to manual for specific gear ratios (e.g., 1st: 2.833, 2nd: 1.750, 3rd: 1.333, 4th: 1.090, 5th: 0.913)
Final Drive:
Chain drive (RK520, 13T front, 45T rear typical)
Transmission Oil Type:
Yamaha All Purpose Gear Oil or API GL-4, SAE 80 or 90 hypoid gear oil
Transmission Oil Capacity:
Approx. 0.65 L (0.69 US qt)
Length:
Approx. 1835 mm (72.2 in)
Width:
Approx. 745 mm (29.3 in)
Height:
Approx. 1090 mm (42.9 in)
Wheelbase:
Approx. 1270 mm (50.0 in)
Ground Clearance:
Approx. 295 mm (11.6 in)
Seat Height:
Approx. 805 mm (31.7 in) (TTR125) / 830 mm (32.7 in) (TTR125LW)
Dry Weight:
Approx. 76 kg (168 lbs)
Wet Weight:
Approx. 80 kg (176 lbs)
Front Wheel:
1.60 x 19 (typical)
Front Tire:
2.50-19 4PR (typical)
Rear Wheel:
1.60 x 16 (typical)
Rear Tire:
3.00-16 4PR (typical)
Front Suspension:
Telescopic fork
Front Suspension Travel:
Approx. 6.3 in (160 mm)
Rear Suspension:
Swingarm, single shock (Monocross)
Rear Suspension Travel:
Approx. 5.9 in (150 mm)
Safety Ratings:
N/A (Motorcycles are not typically rated by agencies like NHTSA for crash safety in the same way as cars).
Braking System:
Front: Drum brake; Rear: Drum brake (TTR125 models). Some variants may feature disc brakes (check specific model). The manual will cover servicing of these brake systems.
Lighting:
Headlight, taillight/stoplight, turn signals (depending on market configuration), reflector integration.
Chassis Design:
Robust steel frame designed for off-road durability and rider control.
Infotainment System:
N/A (This is a basic off-road motorcycle, no infotainment features).
Assistance Features:
N/A (No electronic rider aids or driver assistance systems on this model).
Connectivity Options:
N/A (No Bluetooth, GPS, or smartphone connectivity).
Oil Change Interval:
Every 1000 km (600 miles) or 6 months, whichever comes first (typical). Refer to manual for exact specifications and conditions.
Air Filter Cleaning:
Every 500 km (300 miles) or as needed based on riding conditions (dusty environments require more frequent cleaning).
Spark Plug Replacement:
Every 3000 km (1800 miles) or as needed (typical). Use of correct spark plug type is crucial.
Chain Lubrication:
Every 200 km (125 miles) or after riding in wet conditions.
Valve Clearance Check:
Every 4000 km (2500 miles) or as specified in the manual. Critical for engine performance and longevity.
Engine Oil Type:
Yamalube 4 (or equivalent) SAE 10W-40 API SE, SF or SG, or API SG or SH, JASO MA.
Engine Oil Capacity:
Approx. 1.00 L (1.06 US qt) without filter change; 1.10 L (1.16 US qt) with filter change.
Brake Fluid Type:
DOT 3 or DOT 4 for hydraulic systems (if applicable, standard TTR125 models use drum brakes and are not hydraulic).
Common Wear Items:
Chain and sprockets, brake pads, clutch plates, fork seals, carburetor jets (clogging).
Potential Problems:
Carburetor tuning can be sensitive to altitude and modifications. Kick-starting technique is important. Regular maintenance is key to preventing premature wear.
Yamaha Legacy:
Yamaha Motor Company has a long and storied history in powersports, renowned for innovation, performance, and reliability in motorcycles, ATVs, and watercraft. Founded in 1955.
Ttr Lineage:
The TTR line represents Yamaha's commitment to off-road recreational riding. The TTR125 was introduced to fill the gap for a capable, user-friendly, and affordable trail bike, evolving with minor updates over its production run.
Production Era:
The TTR125 series has been in production since the early 2000s, with the 2007 model being a significant iteration. LW (Long Wheelbase) variants were offered for taller riders or increased stability.
Manufacturing Location:
Typically manufactured in Japan or other Yamaha production facilities globally.
