1987 Sea Ray Sundancer 250 Owners Manual

The 1987 Sea Ray Sundancer 250 is a 25-foot luxury cruiser featuring a deep-V hull design, spacious cabin accommodations, and reliable marine propulsion systems. This comprehensive manual covers safety procedures, boat specifications, operating instructions, maintenance schedules, troubleshooting, and storage guidelines to ensure optimal performance and longevity of your vessel.

1. Features at a Glance 2. Safety Information 3. Boat Specifications 4. Operating Instructions 5. Engine Systems 6. Electrical Systems 7. Maintenance Schedule 8. Storage & Winterization 9. Troubleshooting 10. Warranty Information

Features at a Glance

Key components: Deep-V hull design, fiberglass construction, marine propulsion system, cabin accommodations, helm station, and comprehensive marine electronics.

FeatureDescription
Hull DesignDeep-V hull for superior handling and stability
Length Overall25 feet with integrated swim platformBeam8 feet 6 inches maximum width
WeightApproximately 5,200 lbs dry weight
Fuel Capacity100 gallons
Water Capacity20 gallons
Sleeping Capacity4-6 persons
HeadMarine toilet with holding tank
GalleyBasic kitchenette with sink and storage
Helm StationComplete instrumentation and controls

Safety Information

Essential safety procedures and equipment requirements for safe boating operation.

  1. Personal Flotation Devices: Ensure adequate PFDs for all passengers
  2. Fire Extinguishers: Maintain Coast Guard approved extinguishers
  3. Navigation Lights: Verify proper operation before night operation
  4. Ventilation: Run blower for 4 minutes before engine start
  5. Weather Awareness: Monitor marine forecasts before departure

WARNING! Always wear engine cut-off switch lanyard. Never operate under influence of alcohol or drugs.

Boat Specifications

Operating Instructions

Pre-launch checklist and operational procedures for safe boating.

  1. Pre-Departure: Check fuel, oil, bilge, and safety equipment
  2. Starting Procedure: Turn key to ON, wait for alarm, then start
  3. Docking: Approach slowly at 45-degree angle
  4. Anchoring: Use appropriate scope ratio for depth
  5. Emergency Procedures: Know man overboard and fire procedures

CAUTION! Always check weather conditions and file float plan with responsible party.

Engine Systems

Standard power options and engine maintenance requirements.

ComponentSpecification
Engine OptionsMerCruiser 260-330 HP
Drive SystemAlpha One Stern Drive
Oil Capacity5 quarts with filter
Cooling SystemFresh water cooling standard
Fuel SystemElectronic fuel injection
Ignition SystemElectronic Thunderbolt V

Electrical Systems

12-volt DC and optional 110-volt AC electrical systems.

  1. Battery System: Dual marine starting batteries with switch
  2. Charging: 55-amp alternator with voltage regulator
  3. Distribution: Waterproof marine circuit breakers
  4. Lighting: Navigation, cabin, and courtesy lights
  5. Instruments: Speedometer, tachometer, fuel gauge, trim

Tip: Always turn battery switch to OFF when boat not in use.

Maintenance Schedule

Regular maintenance intervals for optimal performance.

  1. Daily: Check engine oil, coolant levels, bilge
  2. Weekly: Inspect belts, hoses, electrical connections
  3. Monthly: Test safety equipment, clean filters
  4. Annually: Winterize, hull inspection, engine service
  5. 50 Hours: Change engine oil and filter
  6. 100 Hours: Inspect drive unit, change gear lube

WARNING! Use only marine-grade parts and lubricants. Freshwater flush after saltwater use.

Storage & Winterization

Proper procedures for seasonal storage and winterization.

  1. Fuel System: Add stabilizer and fill tank
  2. Engine: Fog cylinders, change oil, drain block
  3. Water Systems: Drain and add antifreeze
  4. Batteries: Remove and store on maintainer
  5. Exterior: Clean and wax hull, cover properly

CAUTION! Never use automotive antifreeze in marine engines.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startDead battery, fuel issueCheck battery charge, fuel level, kill switch
OverheatingImpeller, thermostatCheck water intake, impeller, thermostat
Electrical failureCorrosion, breakerCheck connections, reset breakers
Poor performanceFouled plugs, fuelCheck spark plugs, fuel quality
Bilge pump failureFloat switch, powerTest switch, check wiring and fuse

Emergency: Carry VHF radio and emergency signaling devices.

Service: Contact authorized Sea Ray dealer for major repairs.

Warranty Information

Sea Ray provides limited warranty coverage for hull and components. Original owner receives 1-year comprehensive warranty and 5-year structural hull warranty. Maintain proper maintenance records and use authorized dealers for warranty service. Contact Sea Ray Customer Service for specific warranty claims and coverage details.

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