## **AJS 16 16S 18 31 31CSR 1963: A Technical Masterpiece**

The AJS 16, 16S, 18, 31, and 31CSR series of motorcycles, produced by Associated Motorcycles between 1959 and 1967, epitomized the pinnacle of British engineering ingenuity. These machines showcased advanced features, exceptional performance, and a classic aesthetic that continues to captivate enthusiasts today.

### **Engine Architecture**

At the heart of these remarkable motorcycles was a single-cylinder, four-stroke engine. The 16 and 16S models boasted a displacement of 150cc, while the 18, 31, and 31CSR models displaced 249cc. The precision-crafted aluminum cylinder featured a single overhead camshaft (SOHC) design, ensuring efficient valve timing and maximizing power output.

The engine's internal components were meticulously engineered for durability and performance. A forged steel crankshaft with three main bearings provided exceptional rigidity, while a high-compression piston optimized combustion efficiency. A twin-port induction system and a Amal Monobloc carburetor ensured smooth and responsive fuel delivery.

### **Transmission and Driveline**

Power from the engine was transmitted to the rear wheel via a robust four-speed gearbox. The gears were precisely machined and engaged smoothly, providing a seamless riding experience. The clutch assembly was designed for reliability and ease of operation, ensuring effortless gear changes.

The primary drive utilized a duplex chain, while the final drive employed a fully enclosed chain system. This configuration minimized maintenance requirements and effectively transferred power to the rear wheel. The rear chaincase featured a unique oil bath design, ensuring continuous lubrication of the chain and extending its service life.

### **Suspension and Handling**

The suspension system of the AJS 16-31CSR series was meticulously engineered for stability and comfort. The front end featured a telescopic fork with hydraulic damping, providing smooth and progressive suspension action. At the rear, a swingarm with two Girling shock absorbers ensured excellent ride quality and cornering stability.

The frame was constructed from high-tensile steel tubes, creating a lightweight and rigid platform for the motorcycle. The geometry of the frame, combined with the suspension system, resulted in exceptional handling characteristics, inspiring confidence in riders of all skill levels.

### **Braking System**

Ensuring safety and stopping power, the AJS 16-31CSR series utilized a combination of drum brakes. The front brake consisted of a single leading-shoe drum, while the rear brake employed a full-width leading-shoe drum. Both brakes provided progressive and controllable braking action, providing riders with peace of mind.

### **Styling and Aesthetics**

The AJS 16-31CSR series was renowned not only for its technical prowess but also for its timeless design. The machines featured clean and elegant lines, with a classic British aesthetic that evoked a sense of nostalgia. The teardrop-shaped fuel tank, the streamlined fenders, and the iconic AJS logo created a cohesive and visually stunning package.

Various paint schemes and detailing options allowed riders to personalize their motorcycles, reflecting their individual style. From vibrant red and silver to classic black and gold, the AJS 16-31CSR series offered a wide range of aesthetics to suit every taste.

### **Legacy and Significance**

Today, the AJS 16-31CSR series remains highly sought after by motorcycle collectors and enthusiasts. These machines represent a testament to the golden age of British motorcycle engineering and continue to inspire admiration for their exceptional build quality, performance, and timeless design. Their legacy lives on as cherished possessions, preserving a piece of automotive history.

The manual what will be send to you will contain all the necessary needed instructions for all the repairs for your vehicle from front to the back of your car.
The same manual is used by your garage or workshop to repair your car.
So you could save you a lot of money with this manual, it will give you all the technical information what is needed to get your car running in 100% condition.
You will find illustrations, diagrams technical specifications, depth illustrations and step by step explanations how to do the job, even if you don't have much knowledge about cars this could be understood with some basic mechanical knowledge to safety and easily servicing your car.

CONTENTS OF THE REPAIR MANUAL

CONTENTS

Carburetter
Controls
Data
Driving
Electrical Equipment
Engine
Forks and Frame
Free Service
Guarantee
Index
Information
Lubrication
Maintenance
Repairs and Service
Spare Parts
Tools and Special Equipment
Transmission
Wheels and Brakes



AND MUCH MORE.

All the files can be printed out individually.