Rotax 503 UL User Manual

ROTAX.
f
I
l
OFERATORIS
IWANUA-L
ENGINE
TYPE
Sos
uL
equipped
with
breakerless
dual
ignition
system
and
BING
carburetor
EDITION:
12
1990
This
manual
contains
i-po"t
ffi
infolmation
concerning
your
engine.
ft
must
remain
with
the
engine
at
time
of
resale.
rl
I

Rotax 503 UL Specifications

General

Bore	72 mm
Stroke	61 mm
Type	2-stroke, 2-cylinder
Maximum Power	50 hp (37 kW) at 6500 rpm
Ignition	Electronic
Oil	2-stroke oil
Fuel System	Carburetor
Reduction Gear Ratio	2.58:1