1986 Honda 250ES Big Red Operators Manual

The 1986 Honda 250ES Big Red is a rugged three-wheeled all-terrain vehicle featuring a 246cc four-stroke engine, shaft drive, electric start with auxiliary recoil starter, dual-range transmission with reverse, front and rear suspension, front and rear racks, and full lighting package. Below are key sections for safety, features, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: 246cc OHC four-stroke engine, shaft drive system, dual-range transmission with reverse, electric start, front and rear suspension, front and rear racks.

Pre-Ride Inspection

Always perform pre-ride inspection before operation.

1. Check fuel level and add fresh unleaded gasoline if needed.
2. Inspect tires for proper pressure and damage.
3. Check oil level and condition.
4. Test brakes and throttle operation.
5. Ensure all lights are functioning properly.
6. Check for loose bolts or damaged components.

WARNING! Never operate without proper pre-ride inspection. Failure to inspect may result in accident or injury.

Operation Instructions

Starting and operating procedures for the 250ES Big Red.

1. Starting: Turn fuel valve ON, set choke for cold starts, turn ignition key ON, pull brake lever, press starter button.
2. Shifting: Use gearshift lever for 5 forward gears and reverse. Use range selector for high/low range.
3. Braking: Apply both front and rear brakes simultaneously for controlled stopping.
4. Riding: Always wear proper protective gear. Avoid sudden maneuvers.

CAUTION! Always wear helmet and protective clothing. Never carry passengers.

Specifications

• Engine Type: 246cc air-cooled four-stroke OHC
• Bore x Stroke: 74.0mm x 57.8mm
• Compression Ratio: 9.2:1
• Carburetion: 26mm piston-valve
• Ignition: CDI
• Transmission: 5-speed with reverse and dual-range
• Final Drive: Shaft
• Suspension Travel: Front: 5.9 in, Rear: 5.9 in
• Brakes: Front and rear drum
• Dimensions: 76.4" L x 44.5" W x 42.1" H
• Weight: 423 lbs

Controls and Instruments

Main controls: Handlebar controls, instrument panel, foot controls.

Handlebar: Throttle, front brake lever, ignition switch, light switch, starter button, choke lever.

Instrument Panel: Speedometer, odometer, neutral indicator, reverse indicator, high beam indicator.

Foot Controls: Gearshift lever, rear brake pedal.

Other Controls: Fuel valve, range selector, parking brake.

Maintenance Schedule

Regular maintenance intervals for optimal performance.

Basic Maintenance Procedures

Essential maintenance tasks for the 250ES Big Red.

1. Oil Change: Drain old oil, replace filter, refill with 10W-40 motorcycle oil.
2. Air Filter: Remove cover, clean foam element in solvent, re-oil and reinstall.
3. Spark Plug: Remove old plug, check gap (0.024-0.028 in), install new plug.
4. Chain Adjustment: Check tension, adjust to specified free play.
5. Tire Pressure: Maintain 3.5 psi front, 3.5 psi rear for normal riding.

Tip: Always use genuine Honda parts for replacement.

Storage Guidelines

Proper storage procedures for extended periods of non-use.

1. Add fuel stabilizer to full fuel tank.
2. Change engine oil and filter.
3. Remove spark plug and add teaspoon of oil to cylinder.
4. Clean entire vehicle thoroughly.
5. Store in dry, covered area with tires elevated if possible.

CAUTION! Do not store with fuel in carburetor. Drain fuel or use stabilizer.

Safety Information

Important safety warnings and precautions.

• Always wear helmet, eye protection, and protective clothing
• Never carry passengers - designed for operator only
• Avoid paved surfaces - not designed for street use
• Never operate under influence of alcohol or drugs
• Keep hands and feet away from moving parts
• Ride within your skill limits and terrain conditions

Troubleshooting

Service: Contact authorized Honda dealer for major repairs.

Parts: Use only genuine Honda replacement parts.