🏷️ Basic Information Identification Make: Yamaha Model: Waverunner III Year: 1990-1997 Generation Generation: 1st Generation (shared chassis for 650 and 700 models) 📋 Manual Details Identification Manual Type: Factory Service Manual Manual Version: Professional Shop Manual Availability Delivery Method: Downloadable PDF Language Language: English Content Page Count: Not Specified (Comprehensive) Format Format: PDF Features Printable: Yes Illustrations: Detailed Instructions: Step-by-step Searchable: Yes ⚙️ Engine Specifications 650 Model Engine Type: 2-Stroke Displacement: 635cc Cylinders: 2 700 Model Engine Type: 2-Stroke Displacement: 698cc Cylinders: 2 Common Cooling System: Water-Cooled Fuel System: Carbureted 🔧 Transmission Drive System Type: Direct Drive Impeller Drive: Yes 📐 Dimensions General Length: Not Specified (Refer to specific model year) Width: Not Specified (Refer to specific model year) Height: Not Specified (Refer to specific model year) Weight: Not Specified (Refer to specific model year) 🔧 Maintenance Engine Oil Type: 2-Stroke Outboard Oil (TC-W3) Oil Capacity: Not Specified (Refer to manual for pre-mix ratio or oil injection tank) General Spark Plug Gap: Refer to manual (Specific to plug model) Battery Voltage: 12V Drive Belt Drive Belt Inspection: Regularly recommended 📄 Repair Sections Engine Engine Overhaul: Included Electrical Wiring Diagrams: Included Lighting System Troubleshooting: Included Fuel System Carburetor Rebuild: Included Cooling System Water Pump Service: Included Steering Steering System Repair: Included Body Hull Repair: Included