Target Audience:
Owners of the 2007 Yamaha TTR125/TT-R125, aspiring mechanics, and professional motorcycle repair shops specializing in off-road motorcycles.
Value Proposition:
Provides factory-accurate information essential for maintaining and repairing the specific model year, saving time and money compared to generic guides or trial-and-error methods.
Key Manual Features:
Factory-originated content, comprehensive system coverage, detailed diagrams, troubleshooting guides, accurate specifications.
Quality Assurance:
Represents a professional-grade workshop manual, ensuring accuracy and completeness for effective vehicle maintenance and repair.
Manual Coverage Scope:
Comprehensive factory service and repair workshop manual covering all aspects of maintenance, troubleshooting, and repair for the 2007 Yamaha TTR125 / TT-R125.
Estimated Page Count:
Estimated 300-500 pages (typical for comprehensive factory service manuals). Specific count not provided in product information.
Manual Type:
Factory Service Manual / Workshop Manual / Repair Manual
Digital Format:
Digital Download (PDF, compatible with computer, tablet, smartphone)
Engine Systems:
Engine disassembly, assembly, tuning, lubrication, cooling, fuel system (carburetor, fuel lines), ignition system (CDI, spark plug), exhaust system, starting system (kick start, electric start for LE model).
Transmission Systems:
Clutch operation, gearbox inspection, maintenance, and repair, shift linkage adjustment.
Chassis Systems:
Frame inspection and repair, suspension (front fork, rear shock absorber), steering system, swingarm, wheel bearings, hub assembly.
Brake Systems:
Front and rear brake systems (drum or disc depending on variant), brake pad/shoe replacement, brake fluid maintenance, caliper/master cylinder service.
Electrical Systems:
Wiring diagrams, battery maintenance, lighting system, charging system, ignition troubleshooting, starter motor service (LE model).
Fuel System:
Carburetor identification, disassembly, cleaning, adjustment (jetting, idle speed), fuel tank and petcock maintenance.
Bodywork And Trim:
Fairing removal and installation, seat, fenders, graphics, and other body panels.
Maintenance Procedures:
Oil change, filter replacement, spark plug inspection/replacement, air filter cleaning/replacement, chain adjustment and lubrication, brake adjustments, tire pressure checks.
Diagnostic Procedures:
Troubleshooting common problems, identifying causes of poor performance, electrical system diagnostics, engine performance analysis.
Repair Procedures:
Complete engine overhaul, transmission rebuilds, carburetor rebuilding, suspension servicing, electrical component replacement, wheel and tire servicing.
Assembly Disassembly:
Step-by-step instructions for dismantling and reassembling all major vehicle components.
Troubleshooting Charts:
Detailed charts correlating symptoms with potential causes and solutions.
Depth Of Coverage:
Professional level, suitable for DIY enthusiasts and professional mechanics. Covers everything from basic service to complete engine and transmission rebuilds.
Diagnostic Tools Required:
Specifies necessary tools, including torque wrenches, feeler gauges, carburetor synchronizers (if applicable), electrical testers, and specialized Yamaha tools.
Specifications And Tolerances:
Provides critical torque specifications, valve clearances, piston clearances, bearing tolerances, and other vital measurements.
Engine Type:
4-Stroke, SOHC, Air-Cooled
Bore X Stroke:
54 mm x 54.5 mm
Compression Ratio:
9.5:1 (typical for this era, manual will confirm)
Carburetor Model:
Mikuni VM20SS (typical, manual will specify exact model and settings)
Ignition System:
CDI (Capacitor Discharge Ignition)
Horsepower Output:
Approx. 10-12 HP (at crank, exact figure in manual)
Torque Output:
Approx. 7-8 lb-ft (at crank, exact figure in manual)
Fuel Type:
Unleaded Gasoline (Octane rating specified in manual)
Fuel Tank Capacity:
1.6 Gallons (6.0 Liters) (typical, manual will confirm)
Overall Length:
Approx. 74.4 in (1890 mm) (TTR125); 77.8 in (1975 mm) (TT-R125LE) (manual will confirm exact)
Overall Width:
Approx. 31.7 in (805 mm) (manual will confirm)
Overall Height:
Approx. 43.9 in (1115 mm) (TTR125); 45.1 in (1145 mm) (TT-R125LE) (manual will confirm exact)
Seat Height:
Approx. 31.5 in (800 mm) (TTR125); 32.5 in (825 mm) (TT-R125LE) (manual will confirm)
Wheelbase:
Approx. 50.2 in (1275 mm) (TTR125); 51.8 in (1315 mm) (TT-R125LE) (manual will confirm)
Dry Weight:
Approx. 176 lbs (80 kg) (TTR125); 190 lbs (86 kg) (TT-R125LE) (manual will confirm)
Wet Weight:
Not typically specified in factory manuals, but calculable from fluid capacities and dry weight.
Gross Vehicle Weight Rating:
Specified in manual for safety and load limits.
Infotainment System:
N/A (Basic recreational off-road motorcycle, no complex infotainment system).
Driver Assistance Features:
N/A (No electronic driver assistance features).
Connectivity Options:
N/A (No connectivity features).
Lighting System:
Headlight, taillight, and brake light, powered by the engine's charging system (stator). Manual details bulb types and wiring.
Starting System:
Kick starter (standard); Electric starter motor (TT-R125LE model only). Manual covers both.
Engine Oil Change Interval:
Every 1,000 km (600 miles) or 6 months (typical, manual will provide exact and condition-based intervals).
Air Filter Cleaning Interval:
Every 1,000 km (600 miles) or as needed based on riding conditions (manual specifies).
Spark Plug Inspection Interval:
Every 3,000 km (1,800 miles) or annually (typical, manual will confirm).
Valve Clearance Check:
Every 6,000 km (3,600 miles) or 2 years (typical, manual will confirm precise interval).
Engine Oil Type:
Yamalube 4 (10W-40) or equivalent API SG or higher, JASO MA compliant. Manual will list exact specifications.
Engine Oil Capacity:
Approx. 1.0 Liter (1.1 US qt) without filter change; 1.1 Liter (1.2 US qt) with filter change (manual will confirm exact capacity).
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid (manual will specify, typically not needed for drum brakes unless specified).
Common Wear Items:
Clutch plates, chain and sprockets, brake pads/shoes, air filter, spark plug, front fork seals due to off-road use.
Carburetor Tuning Sensitivity:
Carburetors can be sensitive to altitude and temperature changes, requiring periodic adjustment. Manual provides tuning procedures.
Suspension Maintenance:
Front fork oil and rear shock absorber seals may require periodic service or replacement due to impacts during off-road riding.
Yamaha Motorcycle Division:
Yamaha Motor Company, established 1955, renowned for innovation and performance in motorcycles, particularly in off-road and racing disciplines.
Ttr Series Lineage:
The TTR line is Yamaha's series of recreational off-road motorcycles, designed for ease of use, reliability, and fun. The 125cc model is a staple for beginner and intermediate riders.
2007 Model Changes:
The 2007 model year built upon the redesigned platform introduced around 2000, focusing on refinements in suspension, ergonomics, and the introduction of the TT-R125LE with electric start and longer wheelbase for improved accessibility and rider comfort.
Manufacturing Location:
Primarily manufactured in Japan, with some components potentially sourced globally.