1987 Honda 250X Manual

The 1987 Honda 250X is a four-stroke, single-cylinder off-road motorcycle featuring a 249cc air-cooled engine, 5-speed transmission, front and rear drum brakes, and rugged suspension system. This manual covers safety guidelines, technical specifications, maintenance procedures, troubleshooting, and operational instructions for proper use and care of your ATV.

Features at a Glance

Key components: 249cc four-stroke engine, 5-speed transmission, front and rear suspension, drum brake system, and durable off-road tires.

Feature	Description
Engine Type	4-stroke, air-cooled, single cylinder OHC
Displacement	249cc
Transmission	5-speed constant mesh
Starting System	Kick starter
Brake System	Front and rear drum brakes
Suspension	Telescopic front fork, swingarm rear
Fuel Capacity	2.4 gallons
Dry Weight	238 lbs
Ground Clearance	7.1 inches
Tire Size	Front: 23x8-11, Rear: 22x10-10

Installation & Assembly

Unpack and inspect all components. Verify all parts are included before assembly.

1. Handlebar installation: Attach handlebars to triple clamp, tighten bolts to specified torque.
2. Wheel installation: Mount front and rear wheels, ensure proper alignment.
3. Control cables: Connect throttle, clutch, and brake cables with proper adjustment.
4. Fluid check: Verify engine oil level, add recommended oil if necessary.
5. Battery installation: Connect positive terminal first, then negative.

WARNING! ATV is heavy; use proper lifting techniques. Ensure all fasteners are tightened to specified torque values.

First-Time Setup

Complete pre-ride inspection and adjustments before initial operation.

1. Fuel system: Fill with fresh unleaded gasoline (87 octane minimum).
2. Oil check: Verify engine oil level is between marks on dipstick.
3. Tire pressure: Inflate to recommended pressures (Front: 3.6 psi, Rear: 3.6 psi).
4. Control operation: Check throttle, brake, and clutch for smooth operation.
5. Test ride: Perform initial test in safe, open area at low speed.

CAUTION! Always wear proper safety gear including helmet, eye protection, and protective clothing.

Specifications

• Engine: 249cc 4-stroke, air-cooled, single cylinder
• Bore x Stroke: 74.0mm x 58.0mm
• Compression Ratio: 9.6:1
• Carburetor: 26mm piston valve
• Ignition: CDI
• Transmission: 5-speed, constant mesh
• Final Drive: Chain
• Suspension Travel: Front: 7.1 in, Rear: 7.5 in
• Brakes: Drum front and rear
• Dimensions: 73.6" L x 42.5" W x 42.9" H

Controls and Operation

Familiarize yourself with all controls before operation.

Main Controls: Throttle, front brake lever, rear brake pedal, clutch lever, gear shift lever, ignition switch, choke, fuel valve.

Starting Procedure: Turn fuel valve ON, set choke for cold starts, shift to neutral, kick start with firm, full strokes. Warm up engine before riding. Shifting: Use clutch for all gear changes. Always come to complete stop before shifting into first gear from neutral.

Maintenance Procedures

Regular maintenance ensures optimal performance and longevity.

1. Pre-ride inspection: Check tires, controls, lights, oil level, and fuel.
2. Oil change: Replace engine oil every 100 operating hours or 6 months.
3. Air filter: Clean every 50 hours, replace if damaged.
4. Chain adjustment: Maintain 1-1.5 inches of free play.
5. Brake adjustment: Check brake lever/pedal free play regularly.
6. Spark plug: Clean and gap every 100 hours, replace annually.

Tip: Keep detailed maintenance records for warranty and resale value.

Engine Service

Proper engine maintenance is critical for reliable operation.

1. Valve clearance: Check and adjust every 200 operating hours.
2. Carburetor: Clean and inspect annually, adjust idle mixture as needed.
3. Cooling system: Keep cooling fins clean and free of debris.
4. Compression test: Perform annually to monitor engine health.
5. Timing: Verify ignition timing every 200 hours.

WARNING! Engine components become extremely hot during operation. Allow sufficient cooling time before performing maintenance.

Electrical System

CDI ignition system with 12V battery and charging system.

Care & Storage

Proper storage prevents damage and maintains performance.

Storage Preparation: Fill fuel tank, add fuel stabilizer, run engine to circulate treated fuel. Change engine oil, clean air filter, inflate tires to maximum pressure, lubricate all pivot points, store in dry, covered location.

CAUTION! Never store with fuel in carburetor bowl. Drain completely or use fuel stabilizer.

Regulatory Information

This vehicle complies with EPA and CARB emissions standards for 1987 model year. Designed for off-road use only. Not intended for highway use. Always obey local laws and regulations regarding ATV operation. For technical support, contact Honda Customer Service at 1-800-999-1009 or visit www.honda.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Fuel, spark, compression	Check fuel flow, spark plug, compression; verify choke operation.
Poor performance	Air filter, carburetor	Clean air filter; inspect carburetor jets; check fuel quality.
Hard shifting	Clutch adjustment, oil	Adjust clutch cable; check oil level and quality.
Brakes weak	Adjustment, contamination	Adjust brake cables; clean brake drums and shoes.
Electrical issues	Battery, connections	Check battery voltage; clean and tighten all connections.

Reset: For electrical issues, disconnect battery for 5 minutes to reset system.

Service: 1-800-999-1009; www.honda.com