The 1986 Honda XR250R is a dual-sport motorcycle featuring a 249cc air-cooled four-stroke engine, 5-speed transmission, front and rear drum brakes, and durable off-road suspension. This parts manual provides comprehensive information for maintenance, replacement parts identification, and technical specifications. Below are key sections covering engine components, chassis parts, electrical systems, and maintenance procedures.
Complete breakdown of engine parts including cylinder head, piston assembly, crankshaft, and valve train components.
| Part Number | Description | Quantity |
|---|---|---|
| 12100-KA2-771 | Cylinder Head Assembly | 1 |
| 13101-KA2-771 | Piston Kit (Standard) | 1 |
| 13300-KA2-771 | Crankshaft Assembly | 1 |
| 14710-KA2-771 | Valve, Intake | 2 |
| 14720-KA2-771 | Valve, Exhaust | 2 |
| 12251-KA2-771 | Camshaft Chain | 1 |
| 15410-KA2-771 | Clutch Assembly | 1 |
| 16010-KA2-771 | Starter Assembly | 1 |
| 17210-KA2-771 | Carburetor Assembly | 1 |
| 18300-KA2-771 | Exhaust System | 1 |
Frame components, body parts, and structural elements including frame tubes, brackets, and mounting hardware.
WARNING! Always inspect frame for cracks or damage before riding. Replace damaged components immediately.
Complete electrical components including ignition system, lighting, and wiring harness.
CAUTION! Disconnect battery before performing electrical work to prevent short circuits.
Transmission components, drive chain, and sprockets for power transfer system.
Transmission: 5-speed constant mesh with part numbers for individual gears and shafts.
Drive Chain: DID 520V2 or equivalent, 104 links. Front Sprocket: 13T, part number 23801-KA2-771. Rear Sprocket: 48T, part number 41201-KA2-771. Shift Mechanism: Return type with neutral finder.
Front and rear suspension components along with braking system parts.
Tip: Regularly check brake adjustment and replace worn brake shoes.
Wheel assemblies, tires, and related components for both front and rear.
WARNING! Always maintain proper tire pressure and inspect for damage before riding.
Recommended maintenance intervals for optimal performance and longevity.
| Service Item | Every 500 mi | Every 1500 mi | Every 3000 mi |
|---|---|---|---|
| Oil Change | ✓ | ✓ | ✓ |
| Oil Filter | ✓ | ✓ | |
| Air Filter | ✓ | ✓ | ✓ |
| Spark Plug | ✓ | ✓ | |
| Valve Clearance | ✓ | ||
| Chain Adjustment | ✓ | ✓ | ✓ |
| Brake Inspection | ✓ | ✓ | ✓ |
Critical torque values for major components to ensure proper assembly and safety.
How to order genuine Honda parts and identify correct part numbers.
Always provide the motorcycle VIN: JH2TE060*GC000001 and above. Use Honda dealer network or authorized parts distributors. Include part number, description, and quantity when ordering. Some parts may require special ordering due to age.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Hard starting | Fouled spark plug, stale fuel | Replace spark plug, drain old fuel, check compression |
| Poor performance | Clogged air filter, carb issues | Clean air filter, rebuild carburetor, check jetting |
| Oil consumption | Worn piston rings, valve seals | Measure compression, inspect cylinder, replace seals |
| Transmission noise | Worn gears, low oil level | Check oil level, inspect transmission components |
| Electrical failure | Bad connections, failed components | Check battery, test stator output, inspect wiring |
Technical Support: Contact authorized Honda service center for complex issues.
Parts Availability: Check with Honda dealer for current availability of vintage parts.