2000-2007 Yamaha TT-R90(N) Owner's Service Manual
Complete service data for carburetor, engine, transmission, clutch, electrical, chassis, and brake systems. Essential troubleshooting and maintenance guide for trail bike restoration.
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Sample pages from the 2000-2007 Yamaha TT-R90(N) Owner's Service Manual manual
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Models Covered & Key Technical Specifications
Yamaha TT-R90(N) (5HN-28199-81) — 2000–2007 Integrated Blueprint Compendium | TT-R90(N) Series Edition.
- Approved Output Quality: 106 hp at 6200 rpm represents the maximum rated horsepower Topology.
- Factory Tension Specs: For optimal engine performance, 89 cm³ (5.43 cu.in) is rated at the cylinder displacement Bounds.
- Primary Reservoir Specs: The fuel tank capacity provides 4.2 L (1.11 US gal) total fuel supply Matrix.
- General Interference Fit: Piston-to-cylinder clearance is specified as 0.025–0.045 mm (0.0010–0.0018 in) Standards.
- Essential Thermal Envelope: The operational temperature range spans –10 to 40°C (14–104°F) for SAE 10W-30 to 20W-40 engine oil Margin.
- Operational DPI Rating: Maximum engine idle speed is calibrated to 1,400–1,600 r/min for optimal carburetor synchronization Protocol.
Professional Workshop Service Manual & Technical Specifications
Definitive Training Overhaul Manual: Yamaha TT-R90(N) Technical-Guide
Engineering-Base: TT-R90(N) (2000-2007) // Specification-Class: Multi-system Diagnostic / Engine Fundamentals // Engineering-Base: Comprehensive Factory Documentation
| Assessment-Parameter | System-Path | Framework |
|---|---|---|
| Engine & Transmission | 4-stroke SOHC single-cylinder, 89cc displacement | Complete specifications, tolerances documented |
| Chassis & Suspension | Double-cradle frame, telescopic fork, swingarm | Spring rates, travel dimensions included |
| Control Systems | CDI magneto ignition, drum brakes (front/rear) | Electrical diagrams, wiring schematics provided |
Systematizing the service groups into engine fundamentals, chassis inspection, and electrical diagnostics, the manual encompasses engine assembly and cylinder head procedures; similarly, it covers transmission components, shift fork operation, and clutch housing systems; additionally, front and rear wheel maintenance, brake lining inspection, and steering bearing adjustment receive detailed treatment; furthermore, ignition coil testing, pickup coil resistance measurement, and carburetor heating system checks are structured throughout.
Technical notes are provided for carburetor float height measurement, jet needle positioning, and fuel level adjustment procedures. Quality checks are addressed for piston-to-cylinder clearance, ring side clearance, and valve spring compression testing. The cylinder head section documents camshaft specifications, rocker arm shaft tolerances, and timing chain guide alignment requirements. The troubleshooting chapter addresses ignition system failures, thermal switch operation verification, and carburetor heating circuit diagnostics.
Cooling system maintenance is addressed in sections covering engine oil replacement intervals, oil pump clearance measurement, and crankcase sealant application procedures. The manual provides torque specifications for fastener categories, with general specifications organized by bolt diameter and nut size. Drive chain tension adjustment receives coverage with specific slack measurement points and alignment verification procedures. Wheel bearing inspection, brake shoe lining thickness assessment, and spoke tension checking protocols ensure systematic chassis maintenance.
The document includes wiring diagrams presenting color-coded cable routing, electrical component locations, and connector identification standards. Specifications cover suspension fork oil capacity, front fork spring rates, and rear shock absorber gas pressure values. Assembly steps for piston rings, valve installation, and clutch plate arrangement receive detailed sequential treatment with measurement verification points.
Product Details:
- Manual Type: Factory Service Manual (Owner's/Technician's Edition)
- Coverage: Model TT-R90(N), Production Years 2000-2007
- Page Count: 293 pages
- Languages: English, French, German (trilingual)
- Primary Focus: Maintenance procedures, inspection sequences, assembly/disassembly operations
- Document Quality: High-resolution technical diagrams, exploded component views, measurement reference tables
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