The 1986 Honda TRX250R is a high-performance sport ATV featuring a liquid-cooled 246cc two-stroke engine, 5-speed transmission with manual clutch, Pro-Link rear suspension, front dual A-arms, front and rear hydraulic disc brakes, and aggressive sport tires. Below are key sections for safety, features, maintenance, operation, and troubleshooting.
Key components: Liquid-cooled 246cc two-stroke engine, manual 5-speed transmission, Pro-Link rear suspension, front dual A-arms, hydraulic disc brakes.
| Feature | Description |
|---|---|
| Engine Type | 246cc liquid-cooled two-stroke single |
| Transmission | 5-speed manual with wet multi-plate clutch |
| Front Suspension | Dual A-arms with 7.1 inches travel |
| Rear Suspension | Pro-Link single shock with 8.1 inches travel |
| Front Brakes | Dual hydraulic disc |
| Rear Brakes | Hydraulic disc |
| Fuel Capacity | 2.6 gallons |
| Dry Weight | 324 pounds |
| Tire Size Front | 22x7-10 |
| Tire Size Rear | 20x10-9 |
Always perform pre-ride inspection for safety.
WARNING! Never operate without proper safety gear including helmet, eye protection, gloves, and protective clothing.
Starting procedure and basic riding instructions.
CAUTION! This is a high-performance machine. Always ride within your skill level and obey local laws.
Handlebar controls and instrument functions.
Left Handlebar: Clutch lever, choke knob, lighting switch, horn button
Right Handlebar: Front brake lever, throttle, engine stop switch, start button
Instrument Panel: Speedometer, odometer, neutral indicator, high beam indicator
Foot Controls: Gear shift lever, rear brake pedal
Fuel Valve: Three positions (ON, RES, OFF)
Regular maintenance intervals for optimal performance.
| Service Item | Every 6 months | Every 12 months |
|---|---|---|
| Engine oil change | ✓ | ✓ |
| Air filter cleaning | ✓ | ✓ |
| Spark plug replacement | ✓ | |
| Brake fluid change | ✓ | |
| Chain adjustment | ✓ | ✓ |
| Wheel bearing inspection | ✓ | |
| Suspension inspection | ✓ | ✓ |
Basic engine maintenance procedures.
WARNING! Engine components get extremely hot. Allow proper cooling before servicing.
Adjusting suspension for riding conditions.
Tip: Softer settings for rough terrain, firmer for high-speed operation.
Proper storage procedures for extended periods.
CAUTION! Never store with fuel in carburetor as it will varnish and clog jets.
Important safety warnings and precautions.
Always wear approved helmet, eye protection, gloves, long sleeves, long pants, and over-the-ankle boots. Never carry passengers. Avoid paved surfaces - this machine is designed for off-road use only. Never operate under influence of drugs or alcohol. Ride only in designated areas. Complete approved training course. Keep hands and feet away from moving parts. This machine is for experienced riders only.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Hard starting | Fouled plug, stale fuel | Replace spark plug, drain old fuel mix |
| Poor performance | Clogged air filter, carb issues | Clean air filter, service carburetor |
| Overheating | Low coolant, lean mixture | Check coolant level, adjust carburetion |
| Chain noise | Improper tension, lack of lube | Adjust chain slack to 1.2-1.6 inches, lubricate |
| Brake fade | Contaminated pads, air in system | Replace pads, bleed brakes |
| Transmission issues | Low oil, worn clutch | Check oil level, inspect clutch plates |
Service: Contact authorized Honda dealer for major repairs
Parts: Use only genuine Honda parts for optimal performance