1986 Kawasaki EN450-A2 454 LTD Manual

The 1986 Kawasaki EN450-A2 454 LTD is a cruiser-style motorcycle featuring a 454cc liquid-cooled DOHC parallel-twin engine, 5-speed transmission, shaft drive, dual shock rear suspension, front disc brake, and classic cruiser styling with teardrop fuel tank and stepped seat. Below are key sections for specifications, maintenance, operation, troubleshooting, and service procedures.

1. Specifications 2. Controls and Features 3. Pre-Ride Inspection 4. Operation 5. Maintenance Schedule 6. Basic Maintenance Procedures 7. Troubleshooting 8. Storage Procedures 9. Safety Information 10. Warranty Information

Specifications

Key technical specifications for the 1986 Kawasaki EN450-A2 454 LTD.

FeatureSpecification
Engine Type454cc liquid-cooled DOHC parallel-twin
Bore x Stroke70.0 x 59.0 mm
Compression Ratio9.5:1
Fuel SystemDual Mikuni CV34 carburetors
Transmission5-speed constant mesh
Final DriveShaft drive
Front SuspensionTelescopic fork
Rear SuspensionDual shocks, adjustable preload
Front BrakeSingle disc, 2-piston caliper
Rear BrakeDrum brake
Fuel Capacity3.4 gallons (12.8 liters)
Seat Height28.3 inches (720 mm)
Dry Weight423 lbs (192 kg)

Controls and Features

Main controls and operational features of the motorcycle.

ControlFunction
Ignition SwitchMain power control with steering lock
Choke LeverCold start enrichment system
Fuel ValveThree-position (ON, RES, OFF) fuel control
Clutch LeverWet multi-plate clutch engagement
Front Brake LeverHydraulic disc brake operation
Rear Brake PedalMechanical drum brake operation
Gear Shift Lever5-speed pattern: 1-down, 4-up
Throttle GripCarburetor control with return spring
Instrument ClusterSpeedometer, odometer, warning lights

Pre-Ride Inspection

Essential checks before each ride.

  1. Fuel level: Check gauge, fill if below 1/4 tank
  2. Engine oil: Verify level between marks on sight glass
  3. Tire pressure: Front 28 psi, rear 32 psi (cold)
  4. Brakes: Test front and rear brake operation
  5. Lights: Check headlight, taillight, brake light, turn signals
  6. Chain/Shaft: Inspect for proper tension and lubrication
  7. Controls: Verify throttle, clutch, brake smooth operation
  8. Fluid leaks: Check for oil, fuel, or coolant leaks

WARNING! Never ride with inadequate tire pressure or brake function. Always wear proper protective gear.

Operation

Starting and riding procedures.

  1. Starting cold engine: Turn fuel valve to ON, set choke, ignition ON, pull clutch, start
  2. Warm-up: Allow 2-3 minutes with partial choke
  3. Shifting: Use clutch smoothly, match engine RPM to road speed
  4. Braking: Use both brakes together, front brake provides 70% stopping power
  5. Cornering: Look through turns, maintain steady throttle
  6. Highway riding: Maintain safe following distance, use mirrors frequently

CAUTION! Avoid rapid throttle openings and sudden braking. New riders should practice in safe areas.

Maintenance Schedule

Recommended service intervals.

Service ItemEvery 600 miEvery 3,000 miEvery 6,000 mi
Engine oil change
Oil filter replacement
Air filter cleaning
Spark plug replacement
Valve clearance check
Brake fluid change
Carburetor sync
Drive shaft lubrication

Basic Maintenance Procedures

Essential maintenance tasks for owners.

  1. Oil change: Drain warm oil, replace filter, refill with 3.2 quarts 10W-40
  2. Air filter: Remove foam element, clean in solvent, re-oil with air filter oil
  3. Spark plugs: Replace with NGK DR8ES-L, gap 0.028-0.031 inches
  4. Chain adjustment: Maintain 1.0-1.2 inches free play at midpoint
  5. Brake pads: Replace when worn to 1mm thickness
  6. Tire inspection: Check for wear, damage, proper inflation
  7. Battery: Maintain fluid level, check terminals for corrosion

NOTE: Use only Kawasaki Genuine Parts or equivalents meeting specifications.

Troubleshooting

Common issues and solutions.

SymptomPossible CauseCorrective Action
Hard startingDirty carburetors, weak batteryClean carbs, charge/replace battery
Poor idleClogged pilot jets, vacuum leaksClean jets, check intake boots
Engine misfireFouled plugs, bad ignition coilsReplace plugs, test coils
Oil consumptionWorn piston rings, valve sealsCompression test, inspect engine
Brake fadeContaminated pads, old fluidReplace pads, flush brake fluid
Electrical issuesBad connections, failed regulatorCheck grounds, test charging system

Storage Procedures

Proper storage for extended periods.

  1. Fuel system: Add fuel stabilizer, run engine 5 minutes
  2. Battery: Remove and store on maintenance charger
  3. Tires: Inflate to maximum pressure, lift off ground if possible
  4. Engine: Change oil and filter before storage
  5. Exterior: Wash and wax, cover with breathable material
  6. Rodent protection: Place mothballs around storage area

CAUTION! Never store with ethanol fuel without stabilizer. Drain carburetors if storing over 6 months.

Safety Information

Important safety reminders.

WARNING! Motorcycling involves risk. Proper training and protective gear reduce but cannot eliminate all risks.

Warranty Information

Original 1986 warranty details (expired).

Kawasaki Motorcycle Limited Warranty: 12 months unlimited mileage from purchase date. Coverage included repair or replacement of defective parts. Normal maintenance, tires, batteries, and damage from accident, misuse, or modification excluded. For current support, contact Kawasaki Customer Service at 1-800-661-RIDE or visit www.kawasaki.com.

1986 Kawasaki EN450-A2 454 LTD Manual © - All Rights Reserved 2025