Clymer Manuals Matchless G12CS Vintage Motorcycle Video G12 CS X AJS Model 31
Clymer Manuals got an up-close look at Rick Taylor’s 1958 Matchless G12CS at the 2013 HoAME Vintage Motorcycle Show.
Clymer on the lift didn't have to go far to attend the 2013 Heart of America Motorcycle Enthusiasts club 22nd Annual Vintage Motorcycle Show. Classic vintage antique motorcycles motorcycle bikes British, German, Japanese, Italian, European, American motorbikes were all on display. Manufacturers included Honda, Yamaha, Suzuki, Yamaha, BMW, Harley Davidson, Vincent, Triumph, BSA, Norton, Brough Superior, Indian, Cushman, Vespa, Laverda, Puch, Lambretta, MV Augusta, Ducati, Matchless, Zundapp, Moto Guzzi, AJS and more. There were 100% perfect restorations, bike ridden in, a few trailer queens, full-on customs, cafe racers, choppers, bobbers, trials bikes, dirt bikes, road racers...any type or style motorcycle you could imagine.
MATCHLESS G12CS on WIKIPEDIA
The Matchless G12 is a British motorcycle made by Associated Motorcycles at the former Matchless works in Plumstead, London. Developed in 1958 specifically to capture the potentially lucrative US market, the last G12 was produced in 1966.
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. Designer by Phil Walker, AMC knew that it had to be a 650 cc (39.7 cu in) but wanted to use as many parts from the Model 11 as possible. The cylinders could not be bored out further so the stroke was lengthened from 72.8 to 79.3 mm (2.87 to 3.12 in), resulting in a capacity of 646 cc (39.4 cu in). This meant developing a new crankshaft and primary chaincase, which also provided the opportunity to add a Lucas alternator. Volume production began in September 1958.
The Matchless G12 CS (sometimes referred to as the CS X) was an off-road version of the Matchless G12 with improved ground clearance and a slightly upswept exhaust and an 8.5:1 compression ratio. It was not a trials competition machine but instead aimed at the 'desert racer' market in the US.
MATCHLESS/ AJS on CLASSIC-BRITISH-MOTORCYCLES.COM
Matchless Motorcycles & AJS Motorcycles were, for most of their history, essentially rebadged versions of the same machines. Collectively owned by Associated Motor Cycles (AMC), the two brands were operated like Ford & Mercury, or Dodge & Plymouth, in an early version of “badge engineering”. Together, they enjoyed a rich history that spanned from 1899 to the 1966 collapse of AMC & beyond.
Clymer motorcycle repair manuals are written specifically for the do-it-yourself enthusiast. From basic maintenance to troubleshooting to complete overhaul, Clymer manuals provide the information you need. The most important tool in your tool box may be your Clymer manual, get one today.
Clymer Manuals, Clymer Repair Manuals, Clymer, Manuals, Clymers, Matchless G12CS, G12, CS X, G12 De Luxe, G12 CSR, AJS Model 31, British, AMC, Honda, Yamaha, Suzuki, Yamaha, BMW, Harley Davidson, Vincent, Triumph, BSA, Norton, Brough Superior, Indian, Cushman, Vespa, Laverda, Puch, Lambretta, MV Augusta, Ducati, Matchless, Zundapp, Moto Guzzi, 2013 HoAME Show, Vintage, Classic, Antique, Cafe Racer, Custom, Motorcycle, Motorbike, Bike, Cycle, Restoration, Restore, Restored, Video, Clymer Girl