Market Segment:
Entry-level youth dirt bike, designed for novice riders and recreational use.
Target Audience:
Children and young teenagers learning to ride off-road.
Key Competitors:
Honda CRF50F, Kawasaki KLX110 (slightly larger displacement but often cross-shopped).
Usp:
Yamaha's reputation for reliability and quality, user-friendly design for beginners.
Features:
Automatic clutch, electric start, low seat height, durable construction.
Primary Coverage:
2007 Yamaha TT-R50E Motorcycle
Secondary Coverage:
Likely applicable to minor variations or closely related model years if specifications are shared.
Estimated Page Count:
Varies by specific manual version, but typically 200-400 pages for a comprehensive service manual.
Type:
Service Repair Manual
Purpose:
Detailed repair, maintenance, troubleshooting, and diagnostic procedures.
Format:
Digital (likely PDF), Printable
Engine:
Top-end, bottom-end, fuel system, ignition system, cooling (air-cooled), lubrication system.
Transmission:
Clutch operation, gearbox internal components, shift mechanism, final drive (chain).
Chassis:
Frame, suspension (front fork, rear shock), steering system, wheels, tires, brakes.
Electrical:
Ignition system, lighting, battery, starter motor, wiring diagrams.
Fuel System:
Carburetor service and adjustment, fuel lines, petcock.
Maintenance:
Oil changes, filter replacements, chain adjustment, spark plug service, air filter cleaning/replacement.
Troubleshooting:
Diagnostic flowcharts for common problems, symptom-based troubleshooting guides.
Repair:
Engine disassembly and reassembly, carburetor overhaul, suspension rebuild, brake caliper service.
Diagnostics:
Component testing, timing checks, electrical circuit diagnostics.
Specifications:
Torque values, clearances, fluid types, electrical resistance values.
Depth:
Comprehensive, covering all aspects from basic adjustments to major overhauls, equivalent to dealership procedures.
Engine Type:
Four-stroke, SOHC
Bore X Stroke:
39.0 mm x 41.4 mm
Compression Ratio:
10.5:1
Cooling System:
Air-cooled
Horsepower:
Approximately 3.7 HP @ 7,000 RPM (estimated, actual may vary slightly)
Torque:
Approximately 3.0 lb-ft @ 5,500 RPM (estimated, actual may vary slightly)
Carburetor:
Mikuni VM15SC
Fuel Capacity:
0.8 U.S. gallon (3.0 Liters)
Fuel Type:
Unleaded gasoline, 87 octane or higher.
Transmission Type:
Automatic (3-speed with automatic clutch)
Clutch Type:
Automatic centrifugal clutch
Gear Ratios:
Specific gear ratios are detailed within the service manual for proper troubleshooting and rebuilds.
Fluid Type:
Yamalube 4 (or equivalent SAE 10W-40 API SG or higher) motorcycle oil.
Fluid Capacity:
0.42 U.S. quart (0.4 Liter) for engine oil/transmission.
Safety Ratings:
Not applicable for this type of vehicle in traditional automotive crash ratings. Focus is on rider protection through proper gear and safe riding practices.
Active Safety:
Responsive braking, predictable handling, low center of gravity for stability.
Passive Safety:
Sturdy frame, protective bodywork, handlebar padding.
Protective Gear:
Helmet, goggles, gloves, long sleeves, long pants, sturdy footwear are essential and emphasized in the manual.
Infotainment System:
None (basic off-road motorcycle)
Driver Assistance Features:
None (basic off-road motorcycle)
Connectivity Options:
None (basic off-road motorcycle)
Lighting:
Headlight, taillight/stoplight.
Ignition System:
CDI (Capacitor Discharge Ignition)
Engine Oil Change:
Every 1000 km (600 miles) or 6 months, whichever comes first. More frequent recommended for heavy use.
Air Filter Cleaning:
Every 20 hours of operation or as needed based on conditions. Replacement every 12 months or 100 hours.
Spark Plug Inspection:
Every 100 hours of operation or 12 months. Replacement recommended at 200 hours or 24 months.
Chain Lubrication Adjustment:
Every 10 hours of operation or 1 month. Check for proper tension.
Valve Clearance Check:
Every 100 hours of operation or 12 months.
Engine Oil:
Yamalube 4 (or equivalent SAE 10W-40 API SG or higher)
Brake Fluid:
DOT 3 or DOT 4 brake fluid (for hydraulic brakes if applicable, though TT-R50E likely has drum brakes front and rear)
Air Filter Oil:
Specialized foam air filter oil.
Common Wear Items:
Tires, brake pads (if equipped), chain and sprockets, air filter, spark plug.
Potential Problems:
Carburetor jetting can be sensitive to altitude and modifications. Automatic clutch wear over extensive use. Kickstand spring can weaken.
Heritage:
Yamaha Motor Company is a globally recognized manufacturer with a rich history in motorcycles, musical instruments, and other recreational products. Known for innovation and performance.
Tt R Series:
The TT-R line represents Yamaha's commitment to the off-road segment, with models catering to various skill levels and ages, focusing on durability and ease of use.
Production Start Year:
The TT-R50E was introduced in 2006.
Manufacturing Location:
Typically manufactured in Japan or other Yamaha global facilities.
Industry Awards:
While specific awards for the TT-R50E are uncommon, Yamaha consistently receives accolades for its overall product line, reliability, and innovation in the powersports industry.
Consumer Ratings:
Generally high consumer satisfaction for its intended use, durability, and ease of operation for young riders.