AJS O.H.V. Touring Singles 1945-1957: A Legacy of Engineering Excellence

The AJS O.H.V. Touring Singles, crafted from 1945 to 1957, embody the pinnacle of British motorcycle engineering. These legendary motorcycles left an indelible mark on the automotive landscape, capturing the hearts of riders with their exceptional performance, rugged reliability, and timeless elegance.

At the heart of these icons lay the meticulously engineered O.H.V. (overhead valve) engine, a mechanical masterpiece that delivered an unparalleled blend of power and efficiency. The single-cylinder, air-cooled powerplant featured a robust cast-iron barrel with a hemispherical combustion chamber, ensuring optimal combustion and heat dissipation. The forged aluminum alloy piston, gliding within a precision-machined bore, was driven by a high-lift camshaft, maximizing valve timing and volumetric efficiency.

Complementing the engine's prowess was an advanced electrical system, featuring a reliable Lucas magneto ignition and a dependable coil-and-battery setup. The Amal carburettor, meticulously calibrated, provided a consistent fuel mixture across the rev range, enhancing both performance and fuel economy.

The O.H.V. Touring Singles were not merely engines on wheels. They were meticulously crafted machines, boasting a robust and agile frame that provided the foundation for exceptional handling. The duplex cradle frame, fabricated from high-tensile steel, ensured rigidity and stability, while the telescopic front forks and swinging-arm rear suspension provided a smooth and responsive ride, even on the roughest of roads.

The motorcycles' attention to detail was evident in every aspect of their design. The sculpted fuel tank, adorned with the iconic AJS winged badge, flowed seamlessly into the comfortable dual saddle, offering a commanding riding position. The swept-back handlebars, combined with the forward-set footpegs, created an ergonomic cockpit that invited riders to embark on extended journeys.

The AJS O.H.V. Touring Singles were not simply machines; they were companions for adventure. Their rugged construction and unwavering reliability made them ideal for exploring uncharted territories, while their spirited performance and nimble handling instilled confidence on winding roads. From urban commutes to cross-country expeditions, these motorcycles proved their mettle in a wide range of riding environments.

Today, the AJS O.H.V. Touring Singles remain highly prized by collectors and enthusiasts alike. Their timeless design, coupled with their exceptional engineering, makes them enduring symbols of the golden age of motorcycling. Meticulously restored and lovingly maintained, these motorcycles continue to grace roads and events worldwide, captivating audiences with their enduring legacy and timeless appeal.

Make AJS
Model O.H.C TOURING SINGLES
Year 1945-1957
Pages 150
Item INSTRUCTION AND MAINTENANCE MANUAL

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CONTENTS
CHAP. Page
I. HANDLING AN A.J.S.................................................................1
Essential preliminaries-Starting the engine-Gear changing
General driving hints
II. ALL ABOUT CARBURATION ...............................................11
Amal standard carburettor-Amal "Monobloc" carburettor
Tuning Amal carburettor-Carburettor maintenance-
The air filter
III. THE LIGHTING SYSTEM ......................................................24
Illumination-The lamps (1945-8 models)-The lamps (1949
onwards)-Maintenance of battery-Maintenance of dynamo-
The horn-The wiring system
IV. CORRECT LUBRICATION......................................................48
Engine lubrication-Motor-cycle lubrication
V. GENERAL MAINTENANCE....................................................70
Engine maintenance-The ignition system-Diagnosing ignition
faults-Tappet adjustment-Decarbonizing and valve grinding-
Valve timing-Complete engine overhaul-Motor-cycle maintenance-
Tyres-Brakes-The transmission-The frame
Wheels-Miscellaneous
Index..................................................................................................




As motor bikes and or vehicles are made in generations, these manuals are suitable for other years of manufacture

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System requirements for installation

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