🏷️ Basic Information Identification Make: Yamaha Model: Tri-Z 250 Year: 1985 Generation: 1985-1985.5 📋 Manual Details Availability Product Name: 1985-1985.5 Yamaha Tri-Z 250 Service Manual Repair PDF Download Delivery Method: Instant Download Content Manual Type: Factory Service and Repair Manual Language: English Page Count: 137 Format: PDF Features Searchable: True Clickable Chapters: True Printing Allowed: True Saving Allowed: True Support Replacement Policy: Free Replacement ⚙️ Engine Specifications Configuration Engine Type: Two-stroke Displacement: 246cc Cooling Cooling System: Liquid-cooled Fueling Fuel System: Carburetor Ignition Ignition Type: CDI 🔧 Transmission Drivetrain Transmission Type: Manual Number Of Gears: 6 📐 Dimensions Weight Dry Weight: Approximately 377 lbs (171 kg) 🔧 Maintenance Lubrication Recommended Oil Viscosity: Refer to manual for specific viscosity Oil Type: Two-stroke engine oil 📄 Suspension Front Front Suspension Type: Telescopic forks Rear Rear Suspension Type: Monoshock (Monocross) 📄 Brakes Front Front Brake Type: Disc Rear Rear Brake Type: Disc 📄 Tires Front Front Tire Size: Refer to manual for specifications Rear Rear Tire Size: Refer to manual for specifications 📄 Performance Engine Compression Ratio: Refer to manual for specifications 📄 Body Frame Frame Type: Steel frame Plastics Body Panels: Plastic bodywork 📄 Electrical Starter Starting System: Kickstart Lighting Headlight: Included Taillight: Included 📄 Chassis Drive Train Drive Type: Chain drive 📄 Fuel System Tank Fuel Tank Capacity: Refer to manual for specifications