INTRODUCTION
INTRODUCTION
GENERAL INFORMATION
This
ENGINE SHOP MANUAL
covers the Rotax
1503 4-TEC engine. It should be used in conjunc-
tion with the appropriate
VEHICLE SHOP MANU-
AL
.
The information and component/system descrip-
tions contained in this manual are correct at time
of writing. BRP however, maintains a policy of
continuous improvement of its products without
imposing upon itself any obligation to install them
on products previously manufactured.
BRP reserves the right at any time to discontinue
or change specifications, designs, features, mod-
els or equipment without incurring obligation.
This
SHOP MANUAL
uses technical terms which
may be different from the ones of the
PARTS CAT-
ALOGS
.
When ordering parts always refer to the specific
model
PARTS CATALOGS
.
ENGINE EMISSIONS
INFORMATION
Refer to the appropriate
VEHICLE SHOP MANU-
AL
.
ENGINE IDENTIFICATION
NUMBER (E.I.N.)
The Engine Identification Number is located on
front end of the engine.
F18D03A
1
1. Engine Identification Number (E.I.N.)
TIGHTENING TORQUES
Tighten fasteners to torque mentioned in explod-
ed views and/or text.
WARNING
Torque
wrench
tightening
specifications
must strictly be adhered to. Locking devices
(ex.: locking tabs, elastic stop nuts, self-lock-
ing fasteners, etc.)
must be installed or
replaced with new ones, where specified. If
the efficiency of a locking device is impaired,
it must be renewed.
IV
smr2005-002
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