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BMW R25-2-3 INSTAndSETZUNGS ANLEITUNG

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🏷️ Basic Information Identification Make: BMW Model: R25 Model Variant: R25/2, R25/3 Codes Product Code Identifier: INSTAndSETZUNGS ANLEITUNG 👋 Introduction Market Position Market Position: Essential documentation for owners and independent...
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Type: Motorcycle
Vendor:
Sku: 310789
BMW R25-2-3 INSTAndSETZUNGS ANLEITUNG
🏷️ Basic Information
Identification
Make:
BMW
Model:
R25
Model Variant:
R25/2, R25/3
Codes
Product Code Identifier:
INSTAndSETZUNGS ANLEITUNG
👋 Introduction
Market Position
Market Position:
Essential documentation for owners and independent workshops of classic BMW motorcycles, enabling self-sufficiency in maintenance and repair.
Competitive Analysis
Competitive Analysis:
This manual provides the same level of detail as used by official BMW workshops, offering a significant cost-saving advantage over professional servicing for many common tasks.
Key Features
Key Features:
Illustrations, diagrams, technical specifications, depth illustrations, step-by-step explanations, enabling understanding for users with basic mechanical knowledge.
Target Audience
Target Audience:
BMW R25/2 and R25/3 owners, mechanics, and enthusiasts looking for in-depth repair and maintenance information.
📋 Manual Details
Coverage Areas
Vehicle Systems Covered:
Full vehicle repair, engine, transmission, wheels, chassis, electrical systems, bodywork
Electrical System Coverage:
Likely covers basic electrical systems such as lighting, ignition, and charging circuits, typical for the era.
Chassis And Frame:
Covers inspection, repair, and maintenance of the motorcycle's frame and associated chassis components.
Bodywork And Fittings:
Includes procedures related to the motorcycle's body panels, fuel tank, seat, and other fittings.
Page Count
Page Count:
99
Manual Type
Manual Type:
Repair Manual / Workshop Manual / Service Manual
Language
Language:
German
Format
Format:
Printed Copy of Original Factory Manual
📖 Manual Coverage
Systems Covered
Engine Systems:
Engine disassembly, assembly, technical specifications, tolerances, measurements
Transmission Systems:
Gearbox removal and installation
Wheel And Tire Systems:
Wheel removal and installation
Procedures Included
General Repair Procedures:
Step-by-step explanations for various repairs, front to back of the vehicle
Diagnostic Procedures:
Troubleshooting and identifying issues to restore 100% condition
Engine Rebuilding:
Detailed, step-by-step guidance for the complete disassembly and rebuilding of the engine.
Wheel Mounting And Dismounting:
Specific instructions for the safe and correct removal and installation of wheels.
Technical Depth
Technical Depth Level:
Comprehensive technical information for repairs and maintenance, suitable for workshops and knowledgeable DIYers
Troubleshooting Guides:
Incorporates troubleshooting sections to help diagnose and resolve common mechanical and operational problems.
Technical Areas
Technical Data Section:
Comprehensive technical data, including specifications, measurements, and tolerances.
Illustrations And Diagrams:
Richly illustrated with diagrams and detailed drawings to aid comprehension of complex procedures.
📊 Manual Specifications
File Format
File Format:
Not applicable (printed copy)
Print Quality
Print Quality:
Copy of Original Factory Manual (quality may vary based on source copy)
Illustration Clarity:
Original factory manual illustrations are generally clear and detailed, aiding in the understanding of assembly and disassembly.
Binding Type
Binding Type:
Likely stapled or saddle-stitched for original factory manuals of this era
Paper Type
Paper Type:
Likely standard paper, potentially with some coated pages for illustrations
⚙️ Engine Specifications
Primary Engine
Engine Type:
Two-cylinder boxer engine
Engine Displacement:
247 cc (for R25/2 and R25/3)
Performance
Horsepower Output:
Approx. 12-15 HP (depending on specific variant and tuning)
Torque Output:
Specific torque figures for engine components will be detailed in the manual, crucial for proper assembly.
Fuel System
Fuel System Type:
Carburetor (likely Bing)
Carburetor Model Identification:
The manual will likely identify the specific carburetor model and provide tuning and adjustment procedures.
Engine Maintenance
Engine Disassembly Procedures:
Detailed step-by-step guide for complete engine breakdown and reassembly.
Engine Tolerances And Measurements:
Specific clearance values, torque settings, and critical dimensions for engine components.
🔧 Transmission
Standard
Transmission Type:
4-speed manual gearbox
Optional
Optional Transmission Features:
Not typically applicable for this era and model, but the manual would detail internal components and potential modifications.
Features
Gearbox Removal And Installation:
Comprehensive instructions for removing and refitting the transmission unit.
📐 Dimensions
Exterior
Wheelbase:
Approx. 1400 mm (typical for the era, specific figures in manual)
Weights
Dry Weight:
Approx. 150-160 kg (depending on specific R25 variant)
🛡️ Safety Features
Ratings
Safety Ratings Era:
Safety standards and considerations applicable to mid-20th century motorcycles; emphasis on rider skill and proper maintenance.
Active Features
Active Safety Features:
Drum brakes (front and rear), telescopic front fork, Earles fork rear suspension (R25/3)
Passive Features
Passive Safety Features:
Robust frame construction, rider positioning designed for stability.
💡 Technology Features
Infotainment
Infotainment Features:
Not applicable for this era of motorcycle.
Driver Assistance
Driver Assistance Systems:
Not applicable for this era of motorcycle; focus is on mechanical systems.
Connectivity
Connectivity Features:
Not applicable for this era of motorcycle.
🔧 Maintenance
Service Intervals
Typical Service Intervals:
Detailed in manual: engine oil changes, valve adjustments, ignition timing checks, brake inspections, lubrication points.
Fluid Specifications
Engine Oil Type:
Specific viscosity grades and API classifications for the era (e.g., SAE 30, SAE 40, or multi-grade; manual will specify)
Gearbox Oil Type:
Specific gear oil specification (e.g., EP 80 or similar; manual will specify)
Brake Fluid Type:
TypicallyDOT 3 or DOT 4 for drum brakes of this era if hydraulic actuation is present on later models, or specific grease for mechanical systems.
Known Issues
Common Issues R25 Series:
Mentioned or addressed in manual: electrical system reliability, carburetor tuning, wear on specific engine components, clutch adjustments.
Common Wear Items:
Information on wear rates and replacement intervals for parts like piston rings, bearings, and brake linings.
Maintenance Procedures
Valve Adjustment Procedure:
Included in manual with specific clearances and procedures.
Ignition Timing Adjustment:
Covered with specifications and methods for setting ignition timing.
📚 Vehicle History
Brand Heritage
Brand Heritage:
BMW's post-war motorcycle production legacy, building on pre-war designs and innovation.
Model Evolution
Model Evolution R25:
Successor to the R24, the R25 series represented a significant step forward in BMW's mid-range motorcycle offerings, with the R25/2 and R25/3 introducing improvements in suspension and overall design.
Production
Production Period R25 2 3:
R25/2: 1950-1951; R25/3: 1951-1956
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