🏷️ Basic Information Identification Make: Yamaha Model: YTZ250 TRI-Z Year: 1985, 1986 Generation: TRI-Z First Generation 📋 Manual Details Availability Delivery Method: Instant Download Format Format: Adobe Acrobat PDF Content Coverage: Complete Service Repair Workshop Compatibility Operating Systems: PC and Mac ⚙️ Engine Specifications General Engine Type: 2-Stroke Cooling System: Liquid-Cooled Displacement Displacement: 246 cc Ignition Ignition System: CDI Fuel System Carburetor Type: Mikuni VM Series Lubrication Oil Mixture: Pre-mix 🔧 Transmission Drivetrain Drive Type: Chain Drive Gearbox Transmission Type: Manual Number Of Gears: 6-Speed 📐 Dimensions Overall Wheelbase: 1385 mm (54.5 in) Ground Clearance: 270 mm (10.6 in) 🔧 Maintenance Lubrication Engine Oil Type: 2-Stroke Oil (pre-mix) Gearbox Oil Type: Yamalube 10W-30 or equivalent Gearbox Oil Capacity: Approx. 0.7 Liters Chassis Chain Slack Adjustment: 10-20 mm 📄 Suspension Front Front Suspension Type: Telescopic Forks Rear Rear Suspension Type: Monoshock 📄 Brakes Front Front Brake Type: Disc Rear Rear Brake Type: Drum 📄 Electrical Lighting Headlight: Halogen Battery Battery Type: 12V