This workshop service repair manual covers Volvo Penta AQ105, AQ115, AQ130, AQ165, and AQ170 marine inboard engines, which are gasoline-powered and typically paired with a sterndrive. These engines, with displacements ranging from 1.7 to 2.7 liters, are known for their robust construction and reliable performance in marine applications. The cooling systems can be configured for either raw water or freshwater use, adapting to various operational environments. This manual provides comprehensive information essential for understanding and maintaining these quality marine propulsion systems. The purpose of this English-language workshop service repair manual is to provide detailed guidance for all service and repair procedures. It includes step-by-step instructions accompanied by illustrations, covering everything from routine maintenance schedules and lubrication specifications to in-depth troubleshooting and technical data. This resource is designed to empower owners and technicians to perform repairs effectively, saving time and money. The manual is accessible on all common digital devices and is yours to keep permanently, with the ability to print any section as needed.