Model Variant / Engine Family:
AQ125B, AQ140, AQ151 (and related 2.3L gasoline marine engines)
Production Years Covered:
N/A - exact year range not specified in the manual; covers engines built under these family designations
Engine Type:
Inboard marine gasoline engine, 4-stroke
Configuration:
Can be configured with stern drive or inboard transmissions
Target Audience:
Owners, mechanics, and technicians maintaining or repairing Volvo Penta 230 engines
Intended Use:
Marine applications, including stern drive and inboard installations
Manufacturer Heritage:
Built with Volvo Penta's renowned engineering quality
Durability:
Engineered for durability and efficiency
Reliability:
Designed for reliable performance in marine environments
Engine Displacement:
2.3-liter gasoline engine
Ignition System:
Electronic ignition
Power Output:
Approximately 114 HP
Transmission Compatibility:
Stern drive or inboard
Engine Families:
Part of families such as AQ125B, AQ140, and AQ151
Coverage Areas:
Complete maintenance, repair, and troubleshooting for the Volvo Penta 230 engine
Procedures Included:
Diagnostic guidance, routine maintenance procedures (oil changes, spark plug settings), and repair instructions
Technical Specifications:
Essential technical specifications included
Page Count:
N/A - exact page count not specified for this digital manual
Manual Type:
Service Repair Manual (WSM)
Delivery Method:
Instant download
Engine Mechanical:
Cylinder head, block, pistons, crankshaft, bearings, and valvetrain
Fuel System:
Carburetor, fuel pump, fuel lines, and tank components
Ignition System:
Electronic ignition components, spark plugs, coil, and distributor
Cooling System:
Raw water pump, thermostat, heat exchanger (if equipped), and hoses
Lubrication System:
Oil pump, filter, and oil passages
Electrical System:
Charging, starting, wiring, and instrumentation
Transmission & Drive:
Stern drive or inboard transmission service and adjustment
Exhaust System:
Manifold, risers, and exhaust piping
Steering & Controls:
Cable, hydraulic, and control adjustments
Diagnostic Guidance:
Troubleshooting charts and diagnostic procedures for engine performance issues
Routine Maintenance:
Oil changes, filter replacement, spark plug settings, and fluid checks
Engine Repair:
Disassembly, inspection, repair, and reassembly of major components
Adjustments:
Carburetor, ignition timing, valve clearance, and drive belt adjustments
Wiring Diagrams:
Electrical schematics and wiring diagrams
Specifications:
Torque specifications, clearances, and service limits
Level of Detail:
Comprehensive technical information for professional mechanics and DIY owners
Illustrations:
N/A - exact number of illustrations not specified for this digital manual
Parts Information:
Component identification and part numbers where applicable
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Primary Engine:
2.3-liter gasoline engine
Engine Family Variants:
AQ125B, AQ140, AQ151
Configuration:
Inboard, available with stern drive or inboard transmission
Horsepower:
Approximately 114 HP
Ignition:
Electronic ignition
Fuel System:
Gasoline, carbureted
Cooling:
Raw water cooled (typical for marine applications)
Emissions:
N/A - not specified for this model
Type:
Stern drive or inboard transmission
Configuration:
Can be configured with stern drive or inboard transmissions
Alternative:
Inboard transmission (as an alternative to stern drive)
Availability:
N/A - specific optional models not listed in the manual
Control System:
Mechanical controls (typical for era)
Cooling:
Raw water cooled
Crash Test Ratings:
N/A - not applicable to marine engines
Electronic Ignition:
Provides reliable starting and consistent performance
Engine Protection:
N/A - specific features not listed in the manual
Corrosion Resistance:
Marine-grade materials and coatings
Durability:
Engineered for durability in marine environments
Audio System:
N/A - not applicable to engine; refer to boat manufacturer for audio systems
Electronic Ignition:
Ensures reliable ignition timing
Diagnostic Capability:
Manual provides diagnostic guidance for troubleshooting
Fuel System:
Carbureted (typical for engine family)
Cooling System:
Raw water cooling
Oil Change:
Regular oil changes as specified in the manual
Spark Plugs:
Spark plug settings and replacement intervals specified in the manual
General Maintenance:
Routine maintenance procedures detailed in the manual
Engine Oil:
Refer to manual for specific oil grade and capacity
Coolant:
Raw water cooled; no coolant specified
Common Wear Items:
Spark plugs, filters, belts, and impellers
Troubleshooting:
Manual includes diagnostic guidance for common issues
