Achetez
le livre YDRAL
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ou l'incroyable histoire
du moteur d'Anatole Lardy
1st February 1947
the incredible story of the Ydral engine begins...
1st February 1947 first engine sold.
16 February 47 first competition appearance
During the post-war reopening race at the Linas-Montlhéry Autodrome, René Moncourant came first with this Ydral 125cc engine.
At the 19th Bol d'Or on 13 and 14 September 1947
René Maucourant won the 125cc class with the Ydral L.45 engine.
The evolution of the various Ydral engine blocks
Ydral mainly manufactured 2-stroke engines
Twin-tube engines from 1947 to 1954
125cc Twin-tube
right-hand intake
175cc Twin-tube
rear intake
right-hand
125 "Ydral Sport"
175cc Sport
Paul Vallée 1953
Engines with a single exhaust ‘monotube’ until 1958-1960
125 cc Single tube
right-hand intake
175cc single-tube
with square cylinder
Advertising 1954
Moto-Revue
A horizontal engine with 2, then 3 gears from 1957 onwards
horizontal 125cc engine
The 250cc Ydral
(125/125 twin)
Le 300 cm3 Ydral
To find out more about
engine blocks, see the
the chapter in the book ‘Lardy-Ydral productions’ pages 41 to 80
The Ydral engine and the brands it powered
56 manufacturers and their brands used this surprising 2-stroke engine
in their products, including
BERNARDET
Scooter A.47
Scooter C.50
Scooter Y.52
FOLLIS
Follis 175cc
Follis FYD 125 restored
Kart Follis - 1960
PAUL VALLEE
The 175 MSS 51
The Chanteclerc
Utility vehicles and delivery tricycles
ROLUX
Rolux
Rolux
MOCHET
The CM 125 Y - 1955
CM 125 Y
The C.M.S. 175cc Ydral
POIRIER
Thz MONOTO XW 5
POIRIER 125cc L.45 type
MONOTO XW5 - Ydral 125cc
To find out more about these brands
and 50 others ,
see the chapter in the book
‘The great inventory of brands’ pages 81 to 144
The Ydral engine and competition
from 1947 to 1958, 8 VICTORIES at the BOL D'OR
CONTACT AND ORDER
csbouillard@gmail.com
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