🏷️ Basic Information Identification Make: Volvo Penta Model: WT GM EFI Year: 1999 Generation: Specific to 1999 WT Models 📋 Manual Details Description Manual Type: Diagnostic Workshop Manual Language: English Format: PDF Download Content Coverage: 1999 WT Models Purpose Primary Function: Guidance for correct maintenance Availability Downloadable: Yes ⚙️ Engine Specifications General Engine Type: Gasoline (GM) Fuel System Fuel Injection Type: Electronic Fuel Injection (EFI) Performance Diagnostic Capabilities: Comprehensive diagnostic procedures Components Engine Manufacturer: GM (General Motors) Diagnostics Fault Finding: Detailed fault finding procedures 🔧 Transmission General Transmission Type: Not specified (dependent on application) 📐 Dimensions General Vehicle Type: Marine (implied by Volvo Penta) 🔧 Maintenance Routine Service Information: Detailed service information Repair Instruction: Step-by-step repair instructions Specifications Maintenance Specifications: Included