Category:
Entry-level youth dirt bike, designed for young riders learning the fundamentals of off-road riding.
Target Audience:
Beginner riders, parents of young riders, recreational off-road enthusiasts.
Key Competitors:
Honda CRF50F, Kawasaki KLX110/KLX50F, Suzuki DR-Z50, KTM 50 SX (though often a step up in performance).
Features:
Automatic transmission, low seat height, electric start, durable construction, rider-friendly ergonomics.
Value:
Provides essential technical knowledge for maintaining and repairing the Yamaha TTR 50E, empowering owners to perform tasks efficiently and safely.
Primary Coverage:
Comprehensive Service and Repair
Secondary Coverage:
Troubleshooting, Specifications, Repair Tips, Wiring Diagrams
Estimated Page Count:
Refer to physical manual for exact count, typically 100-200 pages for this model.
Type:
Service Repair Manual
Engine:
Complete engine disassembly, assembly, inspection, and troubleshooting (e.g., carburetor, ignition, lubrication).
Transmission:
Clutch operation, gear shifting mechanisms, lubrication.
Chassis:
Frame inspection, suspension (front fork and rear shock absorber), steering system, wheel and tire servicing.
Brakes:
Front and rear brake system maintenance, bleeding, component inspection.
Electrical:
Ignition system, lighting (if applicable), battery, wiring diagrams, troubleshooting electrical faults.
Maintenance:
Regular servicing, oil changes, filter replacement, chain adjustment, spark plug replacement, carburetor cleaning.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues, symptom-based problem solving.
Repair:
Detailed step-by-step instructions for component repair and replacement.
Specifications:
Torque values for critical fasteners, engine clearances, fluid capacities, recommended tire pressures.
Depth:
Comprehensive, covering from basic routine maintenance to in-depth engine rebuilds and electrical diagnostics.
Engine Type:
Air-cooled, SOHC, 4-stroke
Bore X Stroke:
39mm x 41.4mm
Horsepower:
Approx. 3.5 HP (varies by source and measurement)
Torque:
Approx. 2.0 lb-ft (varies by source and measurement)
Carburetor:
Mikuni VM17 (typical specification)
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
1.0 L (0.26 gal)
Oil Type:
Yamalube 4 (or equivalent SAE 10W-30 API SE, SF, SG type)
Oil Capacity:
0.80 L (0.85 US qt) without oil filter change; 0.90 L (0.95 US qt) with oil filter change.
Ignition System:
CDI (Capacitor Discharge Ignition)
Spark Plug Type:
NGK CR7HSA or Denso U20FS-U
Spark Plug Gap:
0.6-0.7 mm (0.024-0.028 in)
Type:
Automatic (Centrifugal Clutch)
Gears:
3-speed constant mesh, claw shift
Clutch:
Wet, centrifugal multi-plate
Final Drive:
Chain Drive (420 size)
Transmission Oil Type:
Yamaha Gear Oil 10W-30 or equivalent API GL-4 SAE 80W
Transmission Oil Capacity:
0.055 L (0.06 US qt)
Vehicle Category:
Off-road recreational vehicle, not street legal.
Features:
Throttle limiter screw for parental control of speed, electric start for easier operation, low seat height for rider confidence.
Features:
Robust frame construction, durable suspension components, effective braking system.
Engine Oil Change:
Every 20 hours of operation or every 3 months, whichever comes first.
Air Filter Cleaning:
Every 10 hours of operation or as needed based on dusty conditions.
Spark Plug Inspection:
Every 100 hours of operation or annually.
Chain Lubrication And Adjustment:
Every 10 hours of operation or after washing/riding in wet conditions.
Valve Clearance Check:
Every 100 hours of operation or annually.
Engine Oil Viscosity:
SAE 10W-30
Engine Oil API Rating:
API SE, SF, SG type or higher (e.g., Yamalube 4G)
Transmission Oil Viscosity:
SAE 80W
Transmission Oil API Rating:
API GL-4
Common Wear Items:
Tires, brake pads, chain and sprockets, clutch plates, air filter.
Carburetor Tuning:
Can require periodic cleaning and adjustment, especially if fuel is left in the system for extended periods.
Throttle Limiter Adjustment:
Crucial for beginner riders; needs periodic checking to ensure it's set appropriately for the rider's skill level.
Heritage:
Yamaha has a long-standing reputation in motorsports, known for its reliable and performance-oriented off-road motorcycles.
Lineage:
The TTR line is Yamaha's range of recreational off-road motorcycles, with the TTR 50 serving as the foundational model for very young riders.
Production Start:
The TTR 50 platform was introduced in the mid-2000s (around 2006).
Manufacturing Location:
Typically manufactured in Japan or other Yamaha global production facilities.
