🏷️ Basic Information Identification Make: JLO Model: LR Series Product Category: Snowmobile Engine Parts Manual Serial Number: Engine serial number is crucial for identifying exact specifications and parts. Manufacturer Info Manufacturer: JLO Werk GmbH 📋 Manual Details Document Properties Manual Type: Parts Manual Language: German (likely, typical for JLO) 🔧 Transmission Drive Mechanism Drive System: Chain Drive (typically connects engine to clutch/transmission system). 📐 Dimensions Engine Size Weight: Varies by specific LR engine model and configuration 🔧 Maintenance Lubrication Recommended Oil Type: 2-Stroke Engine Oil (specific grade may vary by engine variant) Oil Capacity: Crankcase oil capacity varies by specific LR engine model. Service Schedule Recommended Service Interval: Refer to specific maintenance schedule within the manual for individual components. Spark Plugs Spark Plug Type: Specific spark plug type and gap recommended for each LR engine variant. 📄 Specifications Engine Characteristics Device Type: Internal Combustion Engine Intended Use: Snowmobile Propulsion 📄 Performance Specs Engine Details Engine Type: Two-Stroke Fuel Type: Gasoline (with oil mixture) Displacement: Specific displacement varies by LR series model (e.g., LR1, LR2, LR3, LR4) Horsepower: Varies by specific LR engine model and configuration Torque: Varies by specific LR engine model and configuration Operating Speed: Varies by specific LR engine model and application Engine Cooling Cooling Method: Air-cooled (typical for JLO engines of this era) Ignition System Ignition Type: Magneto Ignition (typical for JLO engines of this era) Carburetion Carburetor Type: Single or Dual Carburetor depending on engine variant (e.g., Bing, Mikuni are common brands for this type of engine).