Target Audience:
Enthusiast owners, home mechanics, and professional service technicians.
Value Proposition:
Provides essential information to maintain, repair, and troubleshoot the TT-R90(R), reducing reliance on external service and saving costs.
Competitiveness:
The TT-R90(R) is a popular entry-level off-road motorcycle, and a comprehensive OEM manual is crucial for its upkeep.
Oem Compliance:
Based on Original Equipment Manufacturer (OEM) data for utmost accuracy and completeness.
Practicality:
Designed for practical application with clear instructions and illustrations.
Engine:
Detailed engine repair, overhaul, tuning, troubleshooting, and component specifications.
Transmission:
Clutch operation, gearbox disassembly, assembly, and adjustments.
Fuel System:
Carburetor adjustment, cleaning, and rebuilding; fuel tank and lines.
Ignition System:
CDI unit, spark plug specifications, and troubleshooting.
Electrical System:
Wiring diagrams, lighting, battery maintenance, and component testing.
Suspension:
Front fork service, rear shock absorber, and linkage maintenance.
Brakes:
Drum brake inspection, adjustment, and component replacement.
Frame And Bodywork:
Chassis inspection, handlebar replacement, seat removal, and plastics.
Routine Maintenance:
Oil changes, filter replacements, chain adjustment, spark plug checks, air filter cleaning.
Troubleshooting:
Diagnostic flowcharts and common problem solutions for various systems.
Major Repairs:
Engine rebuilds, transmission overhauls, suspension component replacement.
Component Disassembly Assembly:
Step-by-step instructions for removing and installing all major components.
Adjustments:
Carburetor settings, clutch engagement, brake free play.
Depth:
Comprehensive, covering everything from basic checks to complete engine disassembly and reassembly.
Diagnostic Capability:
Advanced diagnostic procedures and troubleshooting guides.
Special Tools:
Identification of required special tools for specific procedures.
Format:
PDF (Portable Document Format)
Searchability:
Typically text-searchable, allowing for quick information retrieval.
Quality:
High-resolution digital scans ensuring clarity of text and diagrams.
Binding:
N/A (Downloadable format)
Paper Type:
N/A (Digital format)
Engine Type:
4-Stroke, SOHC, 2-Valve
Displacement:
88 cc (Cubic Centimeters)
Bore X Stroke:
50.0 mm x 45.6 mm (Approximate, refer to manual for exact)
Cooling System:
Air-cooled
Horsepower:
Approx. 6.5 HP (Refer to manual for specific output)
Torque:
Refer to manual for specific torque figures
Fuel Delivery:
Carburetor (Mikuni VM series typically)
Carburetor Model:
Refer to manual for specific carburetor model and jetting
Fuel Type:
Unleaded gasoline (Octane rating to be specified in manual)
Oil Type:
Yamalube or equivalent SAE 10W-30 API SE, SF, SG, SH, SJ or higher
Oil Capacity:
Approx. 0.8 L (Refer to manual for exact capacity and check procedure)
Length:
Approx. 1525 mm (Refer to manual for exact)
Width:
Approx. 660 mm (Refer to manual for exact)
Height:
Approx. 940 mm (Refer to manual for exact)
Wheelbase:
Approx. 1050 mm (Refer to manual for exact)
Dry Weight:
Approx. 71 kg (Refer to manual for exact)
Wet Weight:
Refer to manual for exact wet weight
Cargo Capacity:
N/A (Off-road motorcycle)
Crash Test Ratings:
N/A (Off-road vehicle, not subject to standard automotive crash testing)
Braking System:
Front drum brake, Rear drum brake
Lighting:
Headlight, Taillight/Brake light
Handlebars:
Grip design and lever positioning for control.
Footpegs:
Textured surface for grip.
Engine Oil Change:
Every 1000 km or 6 months (Refer to manual for specific conditions)
Air Filter Cleaning:
Every 500 km or as needed depending on riding conditions (Refer to manual)
Spark Plug Check:
Every 1000 km (Refer to manual for gap and condition check)
Chain Lubrication Adjustment:
Every 500 km or before long rides (Refer to manual for tension spec)
Engine Oil:
Yamalube or equivalent SAE 10W-30 API SE, SF, SG, SH, SJ or higher
Transmission Oil:
Same as engine oil (shared with engine, refer to manual)
Brake Fluid:
DOT 3 or DOT 4 (Check manual for specific requirement for drum systems, typically minimal)
Carburetor Performance:
Can be prone to clogging if fuel quality is poor or storage is extended without draining; requires periodic cleaning and adjustment.
Chain Wear:
Regular lubrication and adjustment are critical to prevent premature wear and potential derailing.
Suspension Seals:
Fork seals can degrade over time, leading to oil leaks. Regular inspection is recommended.
Throttle Cable:
Can stretch or fray, affecting throttle response; requires inspection and adjustment/replacement.
Manufacturer:
Yamaha Motor Corporation, established 1955, renowned for motorcycles and musical instruments.
Tt R Series:
The TT-R line represents Yamaha's commitment to entry-level and recreational off-road motorcycles, offering durable and user-friendly designs.
Production Start Year:
TT-R90 introduced in the early 2000s.
Manufacturing Location:
Typically manufactured in Japan or Southeast Asia by Yamaha.
