The Yamaha TTR225 is a versatile dual-sport motorcycle produced from 1999 to 2004, known for its reliability and user-friendly design, making it suitable for both novice and experienced riders. This model, often referred to by its chassis code 4PS, features a 223cc, air-cooled, four-stroke engine with a 5-speed manual transmission and a wet multi-plate clutch, designed for a balance of trail performance and light street use. Its engineering emphasizes durability and ease of maintenance, reflecting a heritage in producing capable off-road and dual-sport machines.
This workshop repair service manual provides comprehensive guidance for all Yamaha TTR225 models and trim types from 1999 to 2004. It covers all essential systems, including the fuel, cooling, engine lubrication, crankshaft, and transmission systems, as well as chassis components like wheels, tires, brakes, suspension, steering, and frame. The manual also details the electrical system and includes extensive troubleshooting procedures, diagnostic steps, and maintenance schedules for routine checks, fluid changes, and component servicing. With hundreds of diagrams, illustrations, and detailed step-by-step repair procedures, this manual is an indispensable resource for owners and technicians aiming to maintain and repair the TTR225 effectively.
Model Years Covered:
1999, 2000, 2001, 2002, 2003, 2004
Vehicle Type:
Dual-Sport Motorcycle
Chassis Code General:
4PS
Target Audience:
Yamaha TTR225 owners, DIY mechanics, repair shops
Content Quality:
Professional Quality, Highly Detailed, Complete and Intact
Information Access:
At the click of a mouse, access to most comprehensive diagnostic, repair and maintenance information
Content Origin:
Written by the manufacturers (Yamaha)
Visual Aids:
Hundreds of diagrams, detailed information, illustrations, drawings, photos, enlarged inset
Navigational Aids:
Numbered table of contents for fast access
User Benefits:
Save time, save money on repair costs, understand vehicle maintenance better
Coverage:
All Models/Engines/Trim/Transmissions Types
Page Count:
Hundreds of pages (estimated based on description)
Manual Type:
Workshop Repair Service Manual
Engine Systems:
Fuel System, Cooling System, Engine Top End, Engine Lubrication System, Crankshaft/Transmission
Chassis Systems:
Wheels/Tires, Final Drive, Brakes, Suspension, Steering, Frame
Electrical Systems:
Electrical System, Wiring Diagrams
Maintenance:
Scheduled Maintenance, Routine Checks, Fluid Changes
Repair Procedures:
Disassembly, Assembly, Reinstallation, Step-by-step repair procedures, Detailed substeps
Troubleshooting:
Diagnostic procedures, Problem diagnosis, Troubleshooting electrical system problems
Depth:
Comprehensive, professional, used by local service/repair shops, advanced diagnostics, complete rebuild information
Printability:
Full Printable
Zoom Capability:
YES (Zoom IN/OUT)
Delivery Method:
Instant Download
Software Requirements:
Adobe PDF Reader & WinZip
Operating Systems:
All Versions of Windows & Mac
Engine Type:
4-stroke, SOHC, 2-valve
Bore X Stroke:
68.5 mm x 64.2 mm (estimated, specific to this model)
Compression Ratio:
9.1:1 (estimated, specific to this model)
Cooling System:
Air-cooled
Horsepower:
Approx. 15-17 hp (estimated, specific to this model)
Torque:
Approx. 14-16 Nm (estimated, specific to this model)
Fuel Delivery:
Carburetor (Mikuni VM series, typically 34mm)
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
Approx. 10-11 Liters (estimated, specific to this model)
Transmission Type:
5-speed manual
Clutch Type:
Wet multi-plate
Final Drive:
O-ring sealed chain
Overall Length:
Approx. 2150 mm (estimated, specific to this model)
Overall Width:
Approx. 800 mm (estimated, specific to this model)
Overall Height:
Approx. 1150 mm (estimated, specific to this model)
Dry Weight:
Approx. 120-125 kg (estimated, specific to this model)
Wet Weight:
Approx. 130-135 kg (estimated, specific to this model)
Seat Height:
Approx. 880 mm (estimated, specific to this model)
Ground Clearance:
Approx. 300 mm (estimated, specific to this model)
Front Tire Size:
80/100-21 (typical)
Rear Tire Size:
110/90-18 (typical)
Crash Test Ratings:
Not applicable for motorcycles in the same way as cars, but structural integrity and component reliability are key.
Braking System:
Front: Disc brake, Rear: Drum brake (typical for this model year range)
Features:
Basic motorcycle instrumentation: speedometer, odometer, trip meter, neutral indicator, high beam indicator.
Features:
None (typical for this era of dual-sport motorcycle).
Oil Change Interval:
Refer to manual for specific intervals (typically every 1,000-3,000 km or annually)
Air Filter Cleaning:
Refer to manual for specific intervals (frequent checks recommended for off-road use)
Spark Plug Inspection:
Refer to manual for specific intervals (typically every 3,000-6,000 km)
Engine Oil Type:
Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher (refer to manual for precise specification)
Engine Oil Capacity:
Approx. 1.7-1.9 Liters (with filter change) (estimated, refer to manual)
Brake Fluid Type:
DOT 4 (refer to manual)
Common Wear Items:
Clutch plates, brake pads, chain and sprockets, wheel bearings, fork seals.
Carburetor Maintenance:
Carburetor jetting may require adjustment based on altitude and modifications; periodic cleaning is recommended.
Manufacturer History:
Yamaha Motor Corporation is a leading Japanese manufacturer of motorcycles, marine products, and other motorized products.
Ttr Series Introduction:
The TTR line has been a staple in Yamaha's off-road lineup, known for their reliability and trail-riding capabilities.
Ttr225 Positioning:
The TTR225 was positioned as an accessible, user-friendly dual-sport motorcycle, suitable for beginners and experienced riders alike for trail use and light street riding.
Production Period:
This manual covers the production run from 1999 to 2004.
Awards Certifications:
No specific awards are typically highlighted for this model, but it's known for its reliability and trail capability within its class.
