Model Years Covered:
1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Market Position:
The Yamaha TTR225 served as a popular entry-level to intermediate dual-sport and trail motorcycle, appealing to riders seeking versatility for both off-road trails and light street use. This manual positions itself as the definitive resource for owners and technicians.
Competitive Analysis:
Competed with models like the Honda XR250L, Kawasaki KLX250, and Suzuki DR200SE. This manual aims to be superior by offering exhaustive detail unmatched by generic repair guides.
Key Features Of Manual:
Comprehensive service information, detailed troubleshooting guides, exact specifications including torque values, repair tips from experienced technicians, and clear wiring diagrams. Emphasizes completeness and ease of use.
Coverage Areas:
All aspects of repair, maintenance, troubleshooting, and diagnostics for the Yamaha TTR225 motorcycle.
Estimated Page Count:
Estimated 300-400 pages (typical for comprehensive service manuals).
Manual Type:
Service Repair Manual
Manual Completeness:
Marketed as the 'best you can buy' and 'has it all,' indicating a complete service and repair manual, not a condensed version or owner's manual.
Systems Covered:
Engine (top end, bottom end, carburetor, ignition), Fuel System, Exhaust System, Transmission, Drivetrain, Clutch, Brakes (front and rear), Suspension (front forks, rear shock), Steering, Chassis, Electrical System (lighting, ignition, charging), Cooling System, Wheels and Tires, Frame.
Procedures Included:
Regular maintenance, complete disassembly and reassembly, troubleshooting common problems, diagnostic procedures, carburetor tuning and rebuilding, valve adjustments, chain maintenance, brake bleeding and pad replacement, suspension service, electrical system diagnostics and repair, engine rebuilds, torque specifications for all fasteners, wiring diagrams.
Technical Depth:
Comprehensive, covering basic routine maintenance to advanced engine rebuilding and electrical system troubleshooting. Suitable for both novice and experienced mechanics.
Troubleshooting Guide Coverage:
Comprehensive troubleshooting section addressing symptoms such as starting issues, poor performance, electrical faults, unusual noises, and braking problems, with step-by-step diagnostic procedures.
Wiring Diagram Detail:
Full color or black and white wiring diagrams illustrating the entire electrical system, including ignition, lighting, charging, and starter circuits, with component identification and wire colors.
Compatibility:
Compatible with all versions of Windows, Mac, and Linux.
Binding Type:
Digital PDF (N/A for physical binding).
Paper Type:
Digital PDF (N/A for physical paper type).
Download Method:
Instant High Speed Download
Software Requirements:
Adobe PDF Reader
Engine Type:
4-stroke, SOHC, air-cooled
Bore X Stroke:
66.5 mm x 66.0 mm
Estimated Horsepower:
Approximately 15-18 hp (at the crankshaft, varies by year and tuning).
Estimated Torque:
Approximately 13-15 lb-ft (at the crankshaft, varies).
Carburetor Type:
Mikuni VM30SS (or similar, specific model may vary by year).
Fuel Type:
Unleaded gasoline, 87 octane minimum.
Ignition System:
CDI (Capacitor Discharge Ignition)
Cooling Method:
Air-cooled
Carburetor Specifications
Main Jet:
Refer to manual (e.g., #128 or similar).
Pilot Jet:
Refer to manual (e.g., #38 or similar).
Needle Position:
Refer to manual for clip position adjustment.
Camshaft Timing Specs:
Detailed intake and exhaust valve opening/closing points and lift specifications provided in manual.
Piston Ring Gap:
Specific tolerances for new and worn piston rings detailed in manual.
Transmission Type:
5-speed constant mesh
Clutch Type:
Wet, multiple disc
Final Drive:
O-ring sealed chain
First Gear Ratio:
Refer to manual for specific ratios (e.g., 2.615).
Second Gear Ratio:
Refer to manual for specific ratios (e.g., 1.833).
Third Gear Ratio:
Refer to manual for specific ratios (e.g., 1.315).
Fourth Gear Ratio:
Refer to manual for specific ratios (e.g., 1.045).
Fifth Gear Ratio:
Refer to manual for specific ratios (e.g., 0.870).
Overall Length:
Approx. 2,110 mm (83.1 in)
Overall Width:
Approx. 820 mm (32.3 in)
Overall Height:
Approx. 1,135 mm (44.7 in)
Wheelbase:
Approx. 1,360 mm (53.5 in)
Dry Weight:
Approx. 114 kg (251.3 lbs)
Fuel Tank Capacity:
Approx. 10 L (2.6 US gal)
Oil Capacity:
Approx. 1.0 L (1.1 US qt) for engine oil, separate transmission oil level.
Front Tire Size:
80/100-21 51P (typical, check manual for exact fitment).
Rear Tire Size:
110/90-18 61P (typical, check manual for exact fitment).
Wheel Type:
Spoked wheels.
Front Suspension Type:
Telescopic fork, oil-damped.
Front Fork Travel:
Approx. 218 mm (8.6 in).
Rear Suspension Type:
Swingarm, monoshock, preload adjustable.
Rear Shock Travel:
Approx. 205 mm (8.1 in).
Front Brake Type:
Single disc brake.
Rear Brake Type:
Drum brake.
Safety Ratings:
N/A for off-road motorcycles in the same way as passenger cars.
Active Safety Features:
Responsive braking system, predictable handling characteristics.
Passive Safety Features:
Sturdy frame, impact-absorbing components (e.g., handlebar grips, footpegs).
Infotainment Features:
Basic instrumentation: speedometer, odometer, neutral indicator light, high beam indicator, turn signal indicators. No advanced infotainment systems.
Driver Assistance Features:
N/A (designed as a mechanically operated vehicle).
Connectivity Features:
N/A.
Oil Change Interval:
Every 3,000 km (1,800 miles) or 6 months (refer to manual for exact interval).
Air Filter Cleaning:
As needed, especially after dusty riding conditions (refer to manual).
Valve Clearance Check:
Every 6,000 km (3,600 miles) or 12 months (refer to manual).
Spark Plug Replacement:
Refer to manual, typically every 10,000-12,000 km (6,000-7,500 miles).
Engine Oil Specification:
Yamalube 4 (or equivalent) SAE 10W-30 API SG or higher.
Transmission Oil Specification:
Yamalube Gear Oil (or equivalent) SAE 80 API GL-4.
Brake Fluid Specification:
DOT 3 or DOT 4 (refer to manual for specific system requirements).
Known Issues:
Carburetor can sometimes be finicky and require cleaning/adjustment. Some users report wear on the rear shock absorber over time. Chain and sprockets require regular maintenance. Neutral finder switch can occasionally malfunction.
Common Fixes Manual Covers:
Detailed procedures for carburetor cleaning, jetting, and adjustment; shock absorber service and replacement recommendations; chain maintenance and adjustment; diagnosis and replacement of electrical components including the neutral finder switch.
Spark Plug Torque:
Refer to manual (e.g., 15-20 Nm or 11-15 lb-ft).
Crankcase Drain Plug Torque:
Refer to manual (e.g., 20-30 Nm or 15-22 lb-ft).
Front Axle Nut Torque:
Refer to manual (e.g., 50-60 Nm or 37-44 lb-ft).
Rear Axle Nut Torque:
Refer to manual (e.g., 70-90 Nm or 51-65 lb-ft).
Clutch Cable Free Play:
Specified lever free play (e.g., 2-3 mm).
Throttle Cable Free Play:
Specified throttle grip free play (e.g., 2-4 mm).
Brand Heritage:
Yamaha has a long-standing history of producing reliable and performance-oriented motorcycles across various disciplines, including off-road and dual-sport, since the 1950s.
Model Evolution:
The TTR series was introduced as Yamaha's line of accessible and user-friendly trail bikes. The TTR225 succeeded earlier models and provided a balance of off-road capability and manageable power, evolving with minor updates throughout its production run.
Production Location:
Likely manufactured in Japan or other Yamaha global facilities.
