Target Audience:
Yamaha DT250/DT360 owners, mechanics, restoration enthusiasts
Manual Advantage:
Instant access, cost-effective alternative to physical manuals, printable sections for workshop use, comprehensive coverage
User Friendliness:
Designed for ease of use by both novice and experienced mechanics, with clear diagrams and step-by-step instructions.
Offering Comparison:
Provides dealership-level repair information, often more detailed and accurate than generic online guides.
Coverage Areas:
Engine, General Information, Transmission, Chassis, Lighting, Steering, Seat System, Clutch, Suspension, Locks, Brakes, Lubrication, Electrical System, Frame, Fuel System, Battery, Troubleshooting, Maintenance, Repair
Specific Model Coverage:
Yamaha DT250, Yamaha DT360 (all variations and years within the DT250/DT360 model families)
File Format:
Adobe Acrobat PDF
Manual Type:
Service Repair Workshop Manual
Delivery Method:
Instant Digital Download
Engine Systems:
Top-end rebuild, bottom-end rebuild, piston/ring replacement, cylinder boring/honing, crankshaft inspection/replacement, connecting rod assembly, carburetor overhaul/adjustment, ignition system troubleshooting, cooling system (air-cooled operation), exhaust system diagnosis
Transmission Systems:
Gearbox disassembly/assembly, clutch operation/adjustment, shift drum and forks inspection, bearing service, lubrication
Chassis Systems:
Frame inspection, suspension fork service (oil change, seal replacement), rear shock absorber overhaul, steering head bearing adjustment/replacement, wheel bearing service, brake system overhaul (drum and disc), lubrication points
Electrical Systems:
Wiring diagrams, lighting system repair (headlight, taillight, turn signals), ignition coil testing, CDI unit diagnosis, stator/rotor inspection, battery charging system checks
Fuel System Details:
Fuel tank removal/installation, petcock operation, fuel line maintenance, carburetor main jet, pilot jet, needle settings, float bowl adjustment, idle speed adjustment
Lubrication System:
Premix fuel system, crankcase lubrication, transmission oil lubrication, chassis lubrication points
Bodywork And Cosmetics:
Fender removal/installation, fuel tank decals, seat upholstery, side cover mounting, handlebar replacement
Maintenance Procedures:
Scheduled maintenance, oil and filter changes, spark plug replacement, air filter cleaning/replacement, chain adjustment, brake adjustment, lubrication intervals
Troubleshooting Procedures:
Diagnostic flowcharts, symptom-based problem solving for starting issues, poor performance, electrical faults, braking problems
Repair Procedures:
Step-by-step instructions for component removal, inspection, repair, and reassembly of all major motorcycle systems
Engine Rebuild Procedures:
Complete engine disassembly, piston/cylinder inspection and service, crankshaft and bearing replacement, reed valve inspection (if applicable), rotary valve inspection (if applicable)
Wheel And Tire Service:
Tire removal/installation, tube patching, spoke tightening, wheel balancing (if applicable)
Depth Of Coverage:
Comprehensive, suitable for dealership technicians and experienced DIY mechanics. Covers routine maintenance to complete engine and transmission rebuilds.
Diagnostic Capabilities:
Detailed troubleshooting guides for common and uncommon issues, including electrical testing using multimeters and specific diagnostic procedures for ignition and charging systems.
Special Tools:
Likely details any special tools required for specific procedures, such as flywheel pullers or specialized wrench sizes.
File Quality:
High-resolution, printable, searchable text within PDF
Searchability:
Full text search capability within the PDF document
Binding Type:
Digital (Printable for self-binding)
Digital Format Benefit:
Print only needed pages, reducing wear on the master document and allowing for targeted repairs.
Paper Type Recommendation:
Standard or heavy-weight paper for printing
Platform Compatibility:
Compatible with Windows and macOS operating systems
Engine Type:
2-stroke, air-cooled, single-cylinder
Bore X Stroke Dt250:
66.0 mm x 72.0 mm (approx.)
Bore X Stroke Dt360:
72.0 mm x 80.0 mm (approx.)
Displacement Dt250:
247 cc
Displacement Dt360:
333 cc (approx.)
Horsepower Dt250:
Approx. 20-25 HP (varies by year/tune)
Horsepower Dt360:
Approx. 27-30 HP (varies by year/tune)
Torque Dt250:
Approx. 2.2-2.5 kg-m (16-18 lb-ft) (varies)
Torque Dt360:
Approx. 2.8-3.0 kg-m (20-22 lb-ft) (varies)
Carburetor Type:
Mikuni VM series (single barrel)
Fuel Type Recommendation:
Unleaded gasoline with appropriate 2-stroke oil pre-mix (refer to manual for specific ratio)
Ignition System:
CDI (Capacitor Discharge Ignition)
Oil Change Interval:
Every 1,500-2,000 km or annually (refer to manual for specific recommendations)
Spark Plug Replacement:
Every 3,000-5,000 km or as needed based on condition
Clutch Adjustment Interval:
As needed, typically every 2,000-4,000 km
Transmission Oil Type:
Yamaha Gear Oil or equivalent SAE 20W/40 API SE (check manual for exact spec)
Fork Oil Type Dt250:
Yamalube Fork Oil or equivalent SAE 10W (check manual for exact spec and quantity)
Fork Oil Type Dt360:
Yamalube Fork Oil or equivalent SAE 10W (check manual for exact spec and quantity)
2 Stroke Oil Type:
High-quality 2-stroke motorcycle oil, specific API service classification to be confirmed in manual.
Common Wear Items:
Piston rings, carburetor jets, crank seals, steering head bearings, wheel bearings, fork seals.
2-Stroke Specific Concerns:
Carbon buildup in exhaust port and cylinder head, proper air-fuel mixture is critical for engine longevity.
Electrical System Quirks:
Age-related degradation of wiring insulation, loose connections, and aging rectifier/regulator units can occur.
