Target Audience:
Off-road riders, motocross enthusiasts, junior riders, and owners focused on maintenance and performance.
Niche:
Focuses on a specific entry-level to intermediate off-road motorcycle, providing specialized information essential for its upkeep.
User Focus:
Written with the off-road rider/racer/owner in mind, emphasizing practical application.
Coverage:
Complete Service, Repair, Maintenance, Troubleshooting, and Workshop Guide
Page Count:
Refer to actual product for definitive count; typically 300-500 pages for this era of Yamaha service manuals.
Manual Type:
Service Manual / Repair Manual / Shop Manual / Workshop Guide
Format:
Digital (PDF) or Printed (as specified by seller)
Engine Overhaul:
Complete disassembly, inspection, reassembly, and tuning of the engine.
Fuel System:
Carburetor service, fuel filter replacement, fuel line inspection.
Ignition System:
CDI unit, spark plug, ignition coil testing and replacement.
Drivetrain:
Clutch operation, chain adjustment and replacement, gearbox inspection.
Suspension Front:
Fork disassembly, seal replacement, oil levels and type.
Suspension Rear:
Shock absorber inspection, linkage lubrication, spring preload adjustment.
Brakes Front:
Drum brake shoe inspection and replacement, linkage adjustment.
Brakes Rear:
Drum brake shoe inspection and replacement, linkage adjustment.
Electrical System:
Wiring diagrams, battery maintenance, lighting, horn, charging system.
Chassis Frame:
Frame inspection, steering head bearing service, swingarm maintenance.
Wheels Tires:
Spoke tension, rim inspection, tire pressure, bearing service.
Routine Maintenance:
Oil changes, filter replacements, chain lubrication and adjustment, spark plug checks.
Troubleshooting Guides:
Diagnosing common starting issues, running problems, and performance degradation.
Rebuild Procedures:
Detailed steps for engine internal component replacement (pistons, rings, valves).
Adjustment Procedures:
Carburetor jetting, ignition timing, valve clearance adjustments.
Torque Specifications:
Crucial torque values for critical fasteners throughout the motorcycle.
Wiring Diagrams:
Comprehensive electrical schematics for fault finding and repairs.
Depth:
Comprehensive, covering from basic rider maintenance to full engine and chassis rebuilds, suitable for both owners and professional mechanics.
File Format:
Likely PDF; searchable text is highly probable for official or high-quality third-party manuals.
Print Quality:
If printed, expect clear diagrams, text, and schematics. Digital versions will maintain original quality.
Binding Type:
If printed: Spiral-bound or perfect-bound for durability in a workshop environment.
Paper Type:
If printed: High-quality, durable paper stock suitable for frequent use in garages and workshops.
Engine Type:
Four-stroke, SOHC, Air-cooled
Bore X Stroke:
Refer to manual for exact dimensions; typically around 47.0 x 50.6 mm
Compression Ratio:
Refer to manual for exact ratio; typically around 9.5:1 to 10.0:1
Valve Clearance Intake Cold:
Refer to manual; typically 0.02 – 0.03 mm (0.0008 – 0.0012 in)
Valve Clearance Exhaust Cold:
Refer to manual; typically 0.03 – 0.04 mm (0.0012 – 0.0016 in)
Horsepower:
Refer to manual; typically in the 6-8 HP range.
Torque:
Refer to manual; torque figures are not typically highlighted as prominently for this class of bike.
Carburetor Model:
Mikuni VM20 (typical, refer to manual for exact specification)
Main Jet:
Refer to manual for specific size (e.g., #75 or similar)
Pilot Jet:
Refer to manual for specific size (e.g., #15 or similar)
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
Refer to manual; typically around 3.0-3.5 Liters (0.8-0.9 US gal)
Ignition Type:
CDI (Capacitor Discharge Ignition)
Spark Plug Type:
Refer to manual; common types include NGK CR7HSA or similar.
Oil Type:
Yamalube 4 (or equivalent SAE 10W-30 API SG or higher, JASO MA)
Oil Capacity With Filter Change:
Refer to manual; typically around 0.8-0.9 Liters (0.85-0.95 US qt)
Overall Length:
Refer to manual; approximately 1650 mm (65.0 in)
Overall Width:
Refer to manual; approximately 710 mm (28.0 in)
Overall Height:
Refer to manual; approximately 975 mm (38.4 in)
Seat Height:
Refer to manual; approximately 690 mm (27.2 in)
Wheelbase:
Refer to manual; approximately 1175 mm (46.3 in)
Wet Weight:
Refer to manual; typically around 74 kg (163 lbs)
Dry Weight:
Refer to manual; typically around 68 kg (150 lbs)
Safety Features Design:
Designed for off-road use, features include automatic clutch for ease of use, ergonomic controls, and robust suspension.
Braking System:
Drum brakes front and rear, designed for controlled deceleration on varied terrain.
Frame Construction:
Durable steel frame designed to withstand off-road stresses.
Instrumentation:
Basic analog speedometer and odometer, indicator lights (neutral, high beam).
Ride Enhancement:
Automatic clutch system simplifies operation for younger riders; robust suspension for off-road capability.
Charging System:
Stator and AC-CDI ignition system for reliable power generation.
Engine Oil Change:
Refer to manual; typically every 1000 km (600 miles) or 6 months, or more frequently for hard use.
Chain Inspection Lubrication:
Inspect and lubricate chain every 500 km (300 miles) or after riding in wet conditions.
Air Filter Cleaning:
Clean every 500 km (300 miles) or more often in dusty conditions.
Spark Plug Check:
Check every 1000 km (600 miles).
Valve Clearance Check:
Refer to manual; typically every 5000 km (3000 miles) or as indicated by symptoms.
Engine Oil Spec:
SAE 10W-30 API SG or higher, JASO MA.
Fork Oil Type:
Refer to manual; typically a light-weight fork oil (e.g., SAE 5W or 10W).
Brake Fluid Type:
Not applicable, uses drum brakes with cable actuation.
Common Wear Items:
Chain and sprockets, brake pads (drum shoes), spark plug, air filter, tires.
Carburetor Tuning:
May require periodic tuning due to altitude or aftermarket modifications; manual provides base settings.
Automatic Clutch Adjustment:
The automatic centrifugal clutch might require periodic inspection and adjustment for optimal engagement.
Manufacturer Legacy:
Yamaha's extensive history in motorcycle manufacturing, particularly in off-road and motocross racing, informs the design and reliability of the TT-R series.
Tt R Lineage:
The TT-R line has been a staple for entry-level off-road riders, evolving from smaller displacements to offer user-friendly power delivery and reliable performance.
Manufacturing Origin:
Typically manufactured in Japan or at Yamaha's global production facilities.
