🏷️ Basic Information Identification Make: Stihl Model: FS 55, FS 65, FS 65-4, FS 55 C, FS 55 R, FS 55 RC, FS 55T, FS 55 TC Year: Not Specified Generation: Not Specified 📋 Manual Details Document Information Manual Type: Workshop Service Repair Manual Language: English Page Count: Not Specified Format: PDF Availability Delivery Method: Instant Download ⚙️ Engine Specifications Engine Type Engine Type: 2-Stroke Displacement Displacement: Varies by specific model (e.g., FS 55 approx. 40.2 cc, FS 65 approx. 59.5 cc) Power Power: Varies by specific model (e.g., FS 55 approx. 2.0 hp/1.5 kW, FS 65 approx. 3.5 hp/2.6 kW) Fuel System Carburetor: Diaphragm-type, with integrated fuel pump Ignition System Ignition Type: Electronic Ignition 🔧 Transmission Drive System Drive Type: Direct Drive Clutch Clutch Type: Centrifugal Clutch 🔧 Maintenance Fuel Mixture Fuel Oil Ratio: Typically 50:1 with Stihl HP Ultra 2-stroke oil (or equivalent) Spark Plug Spark Plug Gap: Not Specified Air Filter Air Filter Type: Foam or Felt (model dependent) Chain Lubrication Chain Lubrication System: Automatic Chain Lubrication 📄 Safety Features Cutting Attachment Cutting Attachment Types: Various (e.g., cutting line head, grass blade, saw chain) Chain Brake Chain Brake Mechanism: Inertia-activated chain brake 📄 Operator Interface Handle System Handle Type: AV Handle System / Master Control 📄 Starter System Starter Type Starter Mechanism: Rewind Starter