Ajs model 31 history book

The ajs model 31 was designed by phil walker, amc knew that it had to be a 650cc but wanted to use as many cycle parts from the model 11 as. The ajs engine number is from a 1959 model 31 650cc and the matchless engine is from a 1956 g11 600cc. Well finished, stylish and deservedly popular despite lacking the performance image of certain rivals, the amc twins were much missed after their demise in 1966. The 1960 ajs model 8 350 has, at its heart, an aircooled, fourstroke, 347cc, single cylinder powerplant mated to a fourspeed manual transmission, and can produce a claimed 21 horsepower at 6250.

Apparently competitors and critics called it the coffee shop racer. Vibration had always been a problem, so the crankshaft was upgraded to nodular iron. The model 20 was finally discontinued when the 646 cc ajs model 31 replaced it in the autumn of 1958. This advert has now been removed through sale or otherwise, please see the list below for similar live adverts. The ajs model 31 was also produced as the matchless g12 by the same company.

There is a dating certificate and old style log book offered with this lot. Workshop manuals and parts books for ajs, matchless. Designer by phil walker, amc knew that it had to be a 650 cc 39. Classic ajs model 18s, 1957 model in very good, serviceable condition. Original devon registration number bod supplied in torquay. History at the end of the second world war, britain needed to stimulate her economies and move into peace time. Ajs four of the five stevens brothers sons of a blacksmith produced their first motorcycle in 1897 using a proprietary engine. Announced in 1948 and progressively developed thereafter, amcs twins had already undergone a number of capacity increases before finally arriving at 646cc in the autumn of 1958 with the launch of the ajs model 31 and. In 1910 to protect the existing name of their engines, it was thought necessary to introduce a new name for their motorcycles. Capable of 100 mph performance, the ajs model 31 became popular with the american market. Lots of people charge for motorcycle service and workshop manuals online which is a bit cheeky i reckon as they are freely available all over the internet. Buy ajs matchless motorcycle parts and get the best deals at the lowest prices on ebay. The 1950 ajs model 16 350 is a classic machine that has, at its heart, an aircooled, fourstroke, 347cc, single cylinder powerhouse paired to a fourspeed manual transmission, and can reach a maximum power output of 18 horsepower at 5750 rpm.

The 1961 ajs model 31 was amcs 650 twin, the only british vertical twin with a center main bearing. Ajs model 16 im adverising this lovely ajs model 16 on behalf of a customer. Model 31 road manual 650cc matchless g12 find 1959 ajs model 31 at. Restoration project 1961 ajs model 31 csr bikeurious. Developed in 1958 specifically to capture the potentially lucrative us market, the last model 31 was produced in 1966. These stats wont show how many ajs 31csr were made or sold but they do show how many ajs 31csr are left on the road. The father of the founder of ajs joseph stevens sr. Ajs 1959 model 31 650cc vintage british motorcycles. It has been an essential reference in the production of this history and is the only completely accurate book so far written that is solely dedicated to a. Ajs model 31 5 out of 5 stars 2 product ratings 2 product ratings triumph bsa ajs matchless rear shock set eye to eye 327mm blackchrome. The 646cc air cooled twin was good for 35 horsepower, and the bike weighed 396. The g9 was finally discontinued with the introduction of the 646 cc matchless g12 and ajs model 31 in the autumn of 1958.

Ajs model d engine after the war ended in november 1918 and the ministry restrictions were lifted, ajs restarted motorcycle production at a new factory at graisley hill in wolverhampton and the model d was resurrected with the capacity increased to 748cc and a new design of saddle and fuel tank. The ajs model 20 was a british motorcycle made by associated motorcycles at the former matchless works in plumstead, london. Ajs parts for sale usa paul mercer is a participant in the ebay partner network epn, an affiliate advertising programme which enables websites to earn fees by advertising and linking to ebay. Ajs 350 500 shop manual service repair book singles fits. Keywords have been selected to increase the chance of ads being relevant to the page subject. Ajs model 8 350 specs 1960, 1961, 1962 autoevolution. Mar 04, 2016 take a closer look at this motorcycle with glenn bator. Ajs springtwin model 20 1952 500cc at korat thailand by crazy boi.

To allow the timing cover to clear the crankcase mounted valve lifter the ajs cover from 1938 through to 1948 used an almost parallel timing cover with semicircular ends. A useful book for novices and experienced riders is the art of motor cycling, published by pitman at 5s. Media in category ajs motorcycles the following 1 files are in this category, out of 1 total. Ajs model 31 650 specs 1957, 1958, 1959, 1960, 1961, 1962. Ajs albert john stevens ranks right up there with the likes of norton, matchless and velocette, when considering the cream of british racing motorcycles. The 1920s were good for ajs, now being produced some models, from the 349cc singlecylinder big port born in 1923, to the 349cc racing model k7. These bikes represent the end of the era of big british singles, as when amc merged with norton production concentrated on twins. The remaining chapters deal cornprehensively with the maintenance and overhaul, of the following fourstroke o. Exhaust pipe, ajs model 16 matchless g3 1957 on, stud mounting, uk made 5 out of 5 stars 1 product rating 1 product ratings exhaust pipe, ajs model 16 matchless g3 1957 on, stud mounting, uk made. Matching engine and frame numbers and original reg number, buff log book present.

The front mounted magneto on the ajs allowed considerable differentiation of the two marques now produced by the colliers brothers of matchless since acquiring the ajs stevens business in 1935. When announced in 1948, the ajs model 20 and equivalent matchless g9, while. Initially for export to the us, it was not until the late summer of 1949 that the first examples reached the home market. The ajs model 31 was made by associated motorcycles at the former matchless works in plumstead, london.

From biblical and rabbinic textual and historical studies to modern history, social sciences, the arts, and literature, the journal welcomes articles of interest to both academic and lay audiences around the world. This motorcycle is a unique piece of british motorcycle history a great collectors. Get the best deals on motorcycle parts for ajs model 16 when you shop the largest online selection at. Also suitable for 1958 models parts book includes supplement for scrambles models 32pages not illustrated. Get the best deals on motorcycle parts for ajs model 16. Read unlimited books and audiobooks on the web, ipad, iphone and android. Its 216 pages and chapters cover the whole company history in remarkable detail. I must make a mention of steve mills excellent book a. X2958 the last of the major british motorcycle manufacturers to offer a parallel twin, associated motor cycles did not announce its own until the earls court motorcycle show of 1948, and even then production was for export only. This is the csr variant, which stood for competition sport road. The g9 was finally discontinued with the introduction of the 646 cc matchless g12 and ajs model 31 in the autumn of 1958 development. From 1959 the longerstroke ajs model 31 matchless g12 650 bore x stroke.

Take a closer look at this motorcycle with glenn bator. Of course, what motor cycling said about the g12 csr applied equally to the ajsbadged equivalent the model 31 csr. The ajs model 31 was a british motorcycle made by associated motorcycles at the former matchless works in plumstead, london. View and download matchless g9 workshop manual online. Restored to ride,650cc vertical twin with singleamal carburetor, our speed foot shift transmission, luminum alloy fenders, wo in to one exhaust system and traditional red paint scheme with gold pinstriping. After much deliberation, they chose to use initials only, and as only one brother, jack, had two christian names albert john. The 1957 ajs model 31 650 has, at its heart, an aircooled, fourstroke, 646cc, parallel twin powerhouse paired to a fourspeed manual transmission, and can reach a maximum power output of 43. Workshop manuals and parts books for ajs, matchless motorcycles. Dirt bike for the street although the 1956 ajs 18cs was basically an offroad competition machine what would now be known as a motocross bike in england, the used 18cs that john bought in 1958 on his return home from military duty was set up as a road bike, as apparently were all 18css imported to the u. The ajs model 18 is a british motorcycle almost identical to the matchless g80 and both were produced in the same associated motor cycles amc london factory from 1949 to 1966. Ajs model 16, 18, 20, 30, 31 rubber tank knee grips. Ajs was the name used for cars and motorcycles made by the wolverhampton, england, company a. Harry stevens supported his father and began to study with him.

Triumph bsa ajs matchless rear shock set eye to eye 327mm blackchrome fits. Great savings free delivery collection on many items. Ajs and matchless postwar singles and twins by matthew vale. At this time there was a shortage of transport for the common man.

Ajs matchless 650 model 31 g12 front lhs exhaust pipe. Matching frame and engine numbers with buff log book and current v5c. Ltd, from 1909 to 1931, by then holding 117 motorcycle world records. The matchless g12 was one of the last motorcycles under the matchless name and was also produced as the ajs model 31 by the same company. Ajs is one of the bestknown names in british motorcycle history.

Associated motor cycles released in the june of 1945 two brand new motorcycles. There was a significant difference between the ajs and matchless from 1936 until 1952. The matchless g9 is a british motorcycle made by associated motorcycles at the former matchless works in plumstead, london. This book covers every aspect of one of the best loved classic racing machines, from its beginnings back in wolverhampton to the classic racing scene of today. Start the motorcycle companys history marked the acquisition of joseph mitchells fourcylinder engine. After the firm was sold, the name continued to be used by matchless, associated motorcycles and nortonvilliers on fourstroke motorcycles till 1969, and since the names resale in 1974, on lightweight, twostroke. Although the 1956 ajs 18cs was basically an offroad competition machine what would now be known as a motocross bike in england, the used 18cs that john bought in 1958 on his return home from military duty was set up as a road bike, as. Some ajs motorcycle manuals pdf are above the page. Ajs model 31 195966 646cc ohv twin, 430lb, 55mpg, 100mph. The matchless g9 and corresponding ajs model 20 were launched at the post war earls court motorcycle show in late 1948. It is believed that production of the g15 series was halted late in 1968 model year 1969 with unsold samples on offer through 1969. Progressively developed, the motor underwent a number of capacity increases, finally arriving at 646cc in the autumn of 1958 with the launch of the ajs model 31 and matchless g12. The following items are currently for sale on ebay.