When you order through the buttons on this page, we may earn a small commission at no extra cost to you. Learn more >

JAP gasoline engines repair manuals

Repair your JAP engine yourself! Save money with our detailed manuals for DIY service and repairs on JAP gasoline engines. Clear instructions for maintenance, troubleshooting, and parts replacement.

The Book of the J.A.P. Engine (1927-1952) - including information on J.A.P. engined AJW & Cotton motorcycles | Clymer Manual Reprint

Floyd Clymer manual (reprint) for maintenance and repair of J.A.P. 4-stroke engines from the years 1927-1952. These were not only used for motorcycles by Brough Superior, Montgomery, Federation and O.K.-Supreme, but also for three-wheelers, light transporters, lawn mowers, etc.

This book contains also 58 pages instructions for maintenance and repair of A.J.W. (1934-1950) and Cotton (1934-1952) motorcycles with J.A.P. Engines.

Exclusions: This manual does not cover the J.A.P. 2-stroke engines.

  • This Clymer workshop manual for JAP 4-stroke petrol engines from the years 1927-1952 contains complete technical specifications and detailed instructions for maintenance and repair of all components: engine, carburettor, fuel system and ignition.
  • Reprint of the Clymer Motorcyclist's Library / Pitman Ltd edition.

Product details

Author:W.C. Haycraft
Details:146 pages, 21.5 x 14 cm / 8.5 x 5.5 in, paperback
Illustrations:70 b&w photos and drawings
Publisher:Pitman / Clymer / VelocePress (USA, 2016)
Series:Floyd Clymer Manual Reprint
ISBN:9781588501394
Cover repair manual The Book of the J.A.P. Engine (1927-1952) - including information on J.A.P. engined AJW & Cotton motorcycles

The Book of the J.A.P. Engine (1927-1952) - including information on J.A.P. engined AJW & Cotton motorcycles

Language: English

Buy on Amazon.com
Buy on Amazon UK
Buy on Amazon Canada

Fast shipping, easy returns

< >

Related titles:

British Motorcycle Directory

The British Motorcycle Directory - Over 1,100 Marques from 1888

Roy H. Bacon, Ken Hallworth | English | hardback | 288 p. | 2004

British Motorcycles 1945-1965: Aberdale to Wooler

British Motorcycles 1945-1965 : From Aberdale to Wooler

Rinsey Mills | English | hardback | 600 p. | 2018

Classic British Motorcycles

Classic British Motorcycles

Andy Tallone | English | paperback | 96 p. | 2022

British Motorcycles of the 1940s and 50s

British Motorcycles of the 1940s and 50s

Mick Walker | English | paperback | 56 p. | 2010

Catalog of British Motorcycles

Catalog of British Motorcycles (1951)

Floyd Clymer | English | paperback | 84 p. | 2014


Years: 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952


Last update: 05/04/2025