XINGFU: 1985-
China - started with Jawa clones - manufacturers of 50-250cc motorcycles and mopeds
XL: 1921-23 UK - 400-490cc singles, built by Norfolk Engineering Company
XL-ALL: 1902-06 UK
XTRA: 1920-22 UK
Y
Y2K: 1990s- USA - Marine Turbine Technology - 460 lbs
with an Allison Rolls Royce 250 gas turbine making 320hp and 425 ft lbs of torque.
Estimated top Speed of 250 mph, 1/4 Mile: 9.80 secs @ 160 mph, 0-200 mph in 15.0 seconds.
Price tag $150,000
YALE: 1902-15 USA - first bike produced was the
Yale-California
YALE-CALIFORNIA: 1902 - 1915 USA, Consolidated Manufacturing Company in
Toledo, Ohio, , Bought the rights for the California motorcycle
YAMAGUCHI: 1941-64 Japan
YAMAHA: 1954- Japan - Made first bikes around
1954. The first Yamaha motorcycle was the YA-1, produced and sold in Japan only
(125cc, 2-stroke, single cylinde). In 1958 the first Yamaha Motorcycles was sold in the
USA. Yamaha’s first large capacity 4-stroke motorcycle model was the XS1 650. In 1984
the first production 5-valve per cylinder engine was introduced on the FZ750 motorcycle.
Yamaha dominated GP racing at various times with their TD, TR and TZ 2 stroke production
race bikes. They also were successful in the 60s with their multi-cylinder GP machines and
in the 70s, 80s and 90s with their YZR GP machines.
YAMATARGO: 1929-? Japan - pre-war
utilitarian tricycle
YANKEE: 1922-23 USA
YANKEE: 1903 - 1908, USA, - Charles Haberer
assembled motorcycles with Thor engines and sold them as "The Yankee" until Thor
started building their own motorcycles. He then became a dealer for Thor
YANKEE: 1970-74 USA - Ossa manufactured machines
for the US market, impressive well made 500cc twins that deserved a better fate
YARDMAN: 1959 USA
YDRAL: 1950s?-? France (Engine manufacturers) -
manufacturer of engines for a range of French machines
YELROMA: 1915 South Australia
YEZDI: 1980- India - another manufacturer of Jawa
clones, see Ideal Jawa
YORK: 1927-30 Austria - JAP engined machines
YOSHIMURA: 1970s- USA - specialist in
performance products for Japanese machines
YOUNG: 1919-23 UK - Clip-on enginess, made by Mohawk bicycle company.
YOUNG RIDER: 1990s Italy - Competition mini bikes
D'YRSAN: 1925 France
YUNG SHIN: 1986- Taiwan - foldup motorcycles
YVEL: 1921-24 France
YZR: 1990s Australia - modified Yamaha for
Australian conditions
