Target Audience:
Yamaha TTR125 owners and independent repair shops focusing on off-road motorcycles.
Value Proposition:
Enables cost savings through DIY maintenance and repair, enhancing vehicle longevity and performance.
Alternatives:
Factory service manuals (often more expensive and less accessible), generic repair guides (less specific), online forums (variable accuracy).
Accessibility:
Compatible with a wide range of devices including PCs, Macs, tablets, and smartphones.
Comprehensiveness:
Full professional quality, in-depth service and repair information.
Ease Of Use:
Designed to make repair jobs easy to perform with clear instructions.
Primary Coverage:
Complete Workshop Repair and Service
Secondary Coverage:
Maintenance, Troubleshooting, Diagnostics, Component Replacement, Overhaul
Estimated Pages:
Likely 300-500+ pages, typical for comprehensive workshop manuals
Type:
Workshop Repair Manual
Format:
Digital Download (PDF)
Engine Systems:
Engine disassembly, assembly, tuning, carburetor service, lubrication, cooling (air-cooled), ignition system, starting system.
Transmission Systems:
Clutch operation and adjustment, gearbox inspection, gear selection mechanism, transmission lubrication.
Chassis Systems:
Frame inspection, suspension (front forks and rear shock absorber), steering system, wheel and tire maintenance, spoke tensioning, brake system (front and rear drum or disc depending on variant), chain and sprocket maintenance.
Electrical Systems:
Wiring diagrams, lighting system, ignition system components, battery maintenance, fuse specifications.
Bodywork And Fittings:
Seat removal, fuel tank maintenance, fender and plastics inspection/replacement, exhaust system.
Maintenance Procedures:
Routine inspections, oil changes, filter replacements, chain adjustment, brake adjustments, spark plug service, valve clearance checks.
Repair Procedures:
Complete engine rebuilds, carburetor overhaul, suspension servicing, brake caliper servicing, bearing replacement, electrical component troubleshooting.
Troubleshooting:
Step-by-step diagnostic guides for common problems (e.g., starting issues, poor running, braking problems).
Depth Level:
Comprehensive, covering all aspects from basic rider maintenance to complete engine and chassis overhauls.
Diagnostic Capabilities:
Detailed diagnostic charts and procedures for identifying and resolving faults.
File Type:
PDF (Portable Document Format)
Searchability:
Likely text-searchable PDF for efficient information retrieval.
Printability:
Designed for printing, allowing users to create hard copies of specific sections or the entire manual.
Binding Type For Printed:
Not applicable (digital download), but for a printed version, typically coil-bound or comb-bound for lay-flat use in a workshop.
Paper Type For Printed:
Not applicable (digital download), but professional manuals often use durable, semi-gloss paper.
Engine Type:
4-Stroke, Air-Cooled, SOHC, 2-Valve
Displacement:
124cc (approximate)
Bore X Stroke:
Typically 54mm x 54mm (verify specific model variant)
Compression Ratio:
Around 9.5:1 to 10.0:1 (verify specific model variant)
Horsepower:
Approximately 10-12 HP @ 7500-8500 RPM (estimate, varies by specific model/tuning)
Torque:
Approximately 7-9 lb-ft @ 6000-7000 RPM (estimate, varies by specific model/tuning)
Fuel Delivery:
Carburetor (Mikuni VM series, e.g., VM20 or VM24, depending on specific variant)
Fuel Type:
Unleaded Gasoline (Octane rating as specified by Yamaha, typically 87-91 RON)
Ignition Type:
CDI (Capacitor Discharge Ignition)
Oil Type:
Yamalube 4 (or equivalent SAE 10W-40 API SG or higher, JASO MA)
Oil Capacity:
Approximately 0.9 - 1.0 Liters (verify specific model variant)
Transmission Type:
Constant Mesh, 5-Speed
Clutch Type:
Wet, Multiple-Disc
Gear Ratios:
Detailed gear ratios for each speed will be present in the manual (e.g., 1st: 2.833, 2nd: 1.875, 3rd: 1.381, 4th: 1.136, 5th: 0.913 - verify specific ratios)
Final Drive:
Chain Drive (O-ring sealed, DID 428V or similar)
Transmission Oil Type:
Yamalube Gear Oil (or equivalent SAE 80 API GL-4) - same as engine oil on many models, verify
Length:
Approx. 1850 mm (6.07 ft)
Width:
Approx. 760 mm (2.49 ft)
Height:
Approx. 1075 mm (3.53 ft)
Seat Height:
Approx. 805 mm (2.64 ft)
Wheelbase:
Approx. 1275 mm (4.18 ft)
Dry Weight:
Approx. 80-85 kg (176-187 lbs) - varies by specific variant
Wet Weight:
Approx. 85-90 kg (187-198 lbs) - includes all fluids
Fuel Tank Capacity:
Approx. 6.0 Liters (1.59 US gallons)
Safety Classification:
Off-road motorcycle; designed for closed courses and recreational use, not street legal without modifications.
Braking System:
Front: Drum or Disc Brake (depending on variant); Rear: Drum Brake.
Suspension Type:
Front: Telescopic Fork; Rear: Swingarm with Monoshock.
Lighting:
Headlight, Taillight/Brake Light, Front/Rear Turn Signals (often optional or removed for racing).
Throttle Limiter:
May have a throttle stop screw for younger riders or beginners.
Engine Oil Change:
Every 1000 km (600 miles) or 6 months, whichever comes first (typical recommendation, verify in manual).
Air Filter Cleaning:
Every 10-20 hours of use or monthly (depending on riding conditions).
Spark Plug Inspection:
Every 1000 km (600 miles) or annually.
Valve Clearance Check:
Every 5000 km (3000 miles) or annually (critical for performance).
Engine Oil Spec:
SAE 10W-40 API SG or higher, JASO MA
Brake Fluid Spec:
DOT 3 or DOT 4 hydraulic brake fluid (if equipped with disc brakes)
Chain Lube Spec:
High-quality O-ring chain lubricant.
Common Wear Items:
Clutch plates, brake pads/shoes, chain and sprockets, fork seals, air filter.
Carburetor Issues:
Can become gummed up with stale fuel; requires periodic cleaning and adjustment for optimal performance.
Starting Issues:
Can be related to carburetor settings, spark plug condition, or battery health (for electric start models).
Manufacturer:
Yamaha Motor Company, a globally recognized Japanese manufacturer with a strong heritage in motorcycles, marine products, and musical instruments.
Ttr Series Context:
The TTR line represents Yamaha's range of beginner to intermediate off-road recreational motorcycles, known for their reliability and ease of use.
Ttr125 Development:
Introduced as an accessible entry-level dirt bike, the TTR125 has seen various iterations focusing on different rider needs (e.g., electric start, larger wheels).
Production Period:
The TTR125 model has been in production for many years, with the 2007 model representing a specific evolutionary stage.
Industry Recognition:
The TTR125 series is widely recognized as a benchmark for entry-level off-road motorcycles due to its balance of performance, reliability, and ease of maintenance.
Owner Satisfaction:
Consistently receives high marks from owners for durability and value for money in its class.
Regulatory Compliance:
Meets emissions and noise standards for off-road recreational vehicles in most jurisdictions (specifics vary by region).
