BMW R25/3 1953 User Manual

1953 BMW R25/3 Motorcycle Owners Manual
BMW R25/3 Motorcycle Web Page
The pages below are scanned from the October 1953 BMW R25/3 owners manual.
There 88 pages in the original, which I will add as time permits. Right now 40% of the most important pages are below.
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BMW R25/3 1953 Specifications

General

Engine Type	Single-cylinder, four-stroke
Displacement	247 cc
Transmission	4-speed manual
Final Drive	Shaft drive
Frame	Tubular steel
Front Suspension	Telescopic fork
Bore x Stroke	68 mm x 68 mm
Compression Ratio	6.5:1
Brakes Front	Drum
Brakes Rear	Drum
Weight	130 kg
Fuel Capacity	12 liters
Power	13 hp
Wheelbase	1, 370 mm

Summary

Frame and Engine Number Identification

Engine Technical Specifications

Specifications for engine type, bore, stroke, valve timing, and clearances.

Drive System Components

Operation and Control Features

Ignition, Lighting, and Warning Indicators

Motorcycle Controls and Operation Guide

Handlebar and Foot Controls

Explanation of clutch, dip switch, horn, gear shift, handbrake, throttle, and brake pedal functions.

Operating Instructions

Pre-Ride Checks and Starting Procedures

Steps for filling fuel, checking oil, and starting the engine in various conditions.

Riding and Warm-up Guidance

Riding Techniques and Maneuvers

Engine Running-In Procedure

Maximum Speeds During Break-in

Table detailing maximum speeds for each gear during the running-in period up to 1,200 miles.

Lubrication and Servicing Schedule

Lubrication Point Identification

Wiring Diagram and Component Identification

Electrical Component Legend