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page 7 - 1
Jan. 01/2007
Effectivity: 447 SCDI, 503 DCDI
OM Edition 1 / Rev. 0
BRP-Rotax
7) Description of design
7.1) 447 UL SCDI, 503 UL DCDI
2 cylinder in line two stroke engine, piston ported, air cooled cylinder heads
and cylinders, fan or free air version.
Mixture lubrication and on the 503 oil injection lubrication as an optional
extra.
Double (503) or single (447) ignition of a breakerless, magneto capacitor-
discharge design
◆ NOTE: 447 engine is only available with single ignition.
Carburation with one or two piston type carburetors.
One pneumatic fuel pump.
Propeller drive via flange connected gearbox with incorporated shock
absorber.
Exhaust system.
Rewind starter.
Intergrated AC generator (12V 170 W) with external rectifier-regulator as
optional extra.
Air filter.
Intake silencer, optional extra.
■ CAUTION: At refitting of this intake silencer the carburetor must be
recalibrated by an authorized person.
After muffler, optional extra.
High Altitude Compensation kit (HAC), optional extra.
Electric starter, optional extra.
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