To make it easier for you to choose the right manual, we have compiled various information for you below, such as model designations, types, and production years.
The following models are encompassed by this manual: Penta AQ125, AQ145 A B
Manual Language: English
Delivery: Download link will appear on the checkout page after your payment is complete.
"Download the Comprehensive Volvo Penta Engine Manual for All Your Technical Needs"
If you own or work with Volvo Penta AQ125 or AQ145 A B engines, you're in luck! You can now download a detailed and comprehensive manual that covers all your technical requirements. This manual provides essential information on engine specifications, maintenance tips, tuning suggestions, and compatible accessories. Whether you're a boat owner, marine professional, or Volvo Penta enthusiast, this manual is your go-to resource for maximizing the performance of your Volvo Penta engine. Read on to discover everything you need to know about these reliable and powerful engines.
Engine Specifications/Technical Data:
• The Volvo Penta AQ125 engine is a 4-cylinder, 2.1-liter gasoline engine.
• The AQ145 A B engine is also a 4-cylinder, 2.3-liter gasoline engine.
• Both engines feature a single overhead camshaft (SOHC) configuration.
• The AQ125 engine generates a maximum output of 125 horsepower at 4,500 RPM.
• The AQ145 A B engine offers a maximum output of 145 horsepower at 5,000 RPM.
• Both engines have a bore of 92 mm and a stroke of 81 mm.
• The compression ratio for the AQ125 engine is 9.4:1, while the AQ145 A B engine has a compression ratio of 9.2:1.
• The AQ125 engine weighs approximately 460 kg, and the AQ145 A B engine weighs around 470 kg.
• The engines feature a freshwater cooling system to regulate engine temperature.
• They have a 12-volt electrical system with a 50-amp alternator.
• Both engines utilize a carburetor fuel system for efficient combustion.
• The AQ125 and AQ145 A B engines have a maximum torque of 188 Nm and 205 Nm, respectively.
• The engines feature an electronic ignition system for reliable starting and performance.
• They have a direct-drive transmission system for efficient power transfer.
• The AQ125 and AQ145 A B engines are compatible with Volvo Penta's Aquamatic stern drive systems.
• They are designed for marine applications, offering durability and longevity in harsh marine environments.
• The engines comply with various emission regulations, ensuring environmental friendliness.
• Both engines have a maximum operating speed of 5,000 RPM.
• The AQ125 and AQ145 A B engines have a fuel consumption rate of approximately 0.6 liters per nautical mile at cruising speed.
• They come with a comprehensive set of service indicators and warning systems for efficient maintenance and troubleshooting.
Facts and Details:
- The Volvo Penta AQ125 and AQ145 A B engines are well-regarded for their reliability and smooth performance in marine applications.
- They offer excellent power-to-weight ratios, making them suitable for a range of boat sizes and applications.
- The engines are known for their fuel efficiency, helping boat owners save on fuel costs during long journeys.
- Volvo Penta AQ125 and AQ145 A B engines are designed for easy installation and maintenance, with accessible service points and user-friendly design.
- They provide ample torque for acceleration and towing, ensuring excellent performance on the water.
- The engines feature a robust cooling system to maintain optimal operating temperatures, even in demanding conditions.
- Volvo Penta offers a wide range of genuine accessories and parts to support the AQ125 and AQ145 A B engines, ensuring compatibility and performance.
- The AQ125 and AQ145 A B engines are designed to be compatible with Volvo Penta's extensive network of service centers and support.
- Owners appreciate the durability and longevity of the Volvo Penta AQ125 and AQ145 A B engines, providing peace of mind on the water.
- The engines are known for their smooth and quiet operation, minimizing noise and vibration during boating trips.
- Volvo Penta engines are backed by a reputation for quality, reliability, and customer support.
- Owners praise the user-friendly controls and ease of operation provided by the Volvo Penta AQ125 and AQ145 A B engines.
- These engines are versatile and adaptable, capable of powering a range of boat types, from leisure crafts to fishing vessels.
Maintenance Intervals, General Maintenance Tips, and Common Issues:
► Regular maintenance intervals for the Volvo Penta AQ125 and AQ145 A B engines may include oil and filter changes, fuel system inspections, and spark plug replacements.
► Follow the recommended maintenance schedule outlined in the engine manual for optimal performance and longevity.
► Perform regular inspections of the cooling system, including hoses, impellers, and coolant levels, to prevent overheating issues.
► Keep the fuel system clean and free of contaminants by using high-quality fuel filters and additives.
► Check and adjust the ignition timing and carburetor settings as per the manufacturer's guidelines.
► Regularly inspect the engine's belts and pulleys for wear and proper tension.
► Address any oil leaks promptly, as they can lead to engine damage if left unattended.
► Common issues with the Volvo Penta AQ125 and AQ145 A B engines may include fuel system problems, ignition issues, and cooling system failures.
► Solution for fuel system problems: Clean or replace clogged fuel filters, ensure proper fuel line connections, and inspect the carburetor for blockages or malfunctions.
► Solution for ignition issues: Check and replace faulty spark plugs, inspect the distributor cap and rotor, and verify proper ignition timing.
► Solution for cooling system failures: Inspect and replace worn-out impellers, check for coolant leaks, and maintain proper coolant levels.
Popular Tuning Tips or Modifications:
* Upgrading the ignition system with high-performance spark plugs and ignition coils for improved combustion and power delivery.
* Installing a marine-grade performance carburetor for enhanced fuel atomization and throttle response.
* Replacing the stock exhaust system with a high-flow aftermarket exhaust for increased engine efficiency and a deeper exhaust note.
* Upgrading the air intake system with a performance air filter or cold air intake kit to improve airflow and increase horsepower.
Compatible Accessories and Attachments:
■ Genuine Volvo Penta propellers for optimal performance and efficiency.
■ Marine alternators and starters for reliable electrical power.
■ Engine controls and instrumentation for smooth operation and monitoring.
■ Cooling system components, including impellers and thermostats, for proper engine temperature regulation.
■ Fuel system components, such as fuel pumps and filters, for efficient fuel delivery.
■ Ignition system parts, including spark plugs and ignition coils, for reliable starting and performance.
■ Maintenance and service kits, including oil filters, fuel filters, and gaskets, for regular maintenance.
Owner Reviews and Opinions:
☺ Strengths: Owners appreciate the reliability and durability of the Volvo Penta AQ125 and AQ145 A B engines, often highlighting their smooth performance and fuel efficiency.
☺ Strengths: The engines are known for their ease of maintenance and accessibility to service points, making routine upkeep straightforward.
☻ Weaknesses: Some owners mention occasional issues with carburetion or fuel system components, which can usually be resolved through proper maintenance and troubleshooting.
☻ Weaknesses: A few owners express concerns about the availability and cost of genuine Volvo Penta parts and accessories.
Overall, owners find the Volvo Penta AQ125 and AQ145 A B engines to be reliable, efficient, and well-suited for marine applications.
Repairs That Need to Be Carried Out Most Frequently:
→ Replacement of spark plugs and ignition components.
→ Oil and filter changes.
→ Cooling system maintenance, including impeller replacements.
→ Fuel system repairs, such as cleaning or replacing fuel filters and carburetor components.
→ Regular belt replacements and tension adjustments.
→ Addressing oil leaks and gasket failures promptly.
→ Electrical system repairs, including alternator or starter replacements.
Click the green button to access and download the detailed engine manual for your Volvo Penta by acquiring the comprehensive manual in PDF format. Upon completing your purchase, the official Volvo OEM shop manual/parts list for your engine will be available for download on the checkout page. Additionally, we will promptly send you an email confirming your payment.