🏷️ Basic Information Identification Make: Yamaha Model: YT125 Year: 1981 Product Category: ATV Parts Manual Catalog 📋 Manual Details Content Manual Type: Parts Manual, Parts List, Parts Catalog Features: Contains manufacturer part numbers and diagrams for every part; allows for enlarged views. Format Format: Downloadable Language Language: English 🔧 Transmission Drive System Drive System: Shaft drive Gear Count Gear Count: 5-speed Reverse Gear: Yes 📐 Dimensions Wheelbase Wheelbase: 44.3 inches Weight Dry Weight: 267 lbs 🔧 Maintenance Maintenance Information Service Manual Availability: Implied by the existence of a parts manual 📄 Specifications Device Type Device Type: All-Terrain Vehicle (ATV) Intended Use Intended Use: Parts identification and ordering for the 1981 Yamaha YT125 ATV 📄 Performance Specs Engine Type Engine Type: 2-stroke Engine Description: Air-cooled Displacement Displacement: 123 cc Fuel Type Fuel Type: Gasoline 📄 Operational Details Starting System Starting System: Kick starter Lighting Lighting: Headlight and taillight