86
SPECIFICATIONS
ENGINE
GTX 4-TEC
(5573/5574/5593/5594)
Type
BOMBARDIER-ROTAX 1503, 4 stroke.
Over Head Camshaft (OHC), liquid cooled
Number of cylinder 3 in line
Number of valve
12 valves (4 per cylinder) with hydraulic lifters
(no adjustment)
Displacement 1493 cc (91.1 cu. in)
Bore 100 mm (3.9 in)
Stroke 63.4 mm (2-1/2 in)
Compression ratio 10.5:1
Lubrication
Type
Dry sump (2 oil pumps). Replaceable oil filter.
Water-cooled oil cooler.
Oil type
4-stroke engine oil SAE 10W40
(API service classification SG, SH or SJ)
Exhaust system
Water cooled/water injected.
Direct flow from propulsion unit
Rev limiter setting 7650 ± 50 RPM
COOLING SYSTEM
Type
Liquid cooled. Closed circuit
(see also exhaust system).
Coolant
Ethylene-glycol 50%/50% antifreeze/water.
Coolant containing corrosion inhibitors for internal
combustion aluminum engines
ELECTRICAL SYSTEM
Magneto generator output 360 W @ 6000 RPM
Ignition system type Digital inductive type
Ignition timing Not adjustable
Spark plug
Make and type NGK, DCPR8ES
Gap 0.75 mm (.030 in)
Quantity 3
Starting system Electric starter
Battery 12 V, 30 A•h. Electrolyte type.
Fuse
TOPS 10 A
Cylinder 1, ignition coil
and injection
10 A
Cylinder 2, ignition coil
and injection
10 A
Cylinder 3, ignition coil
and injection
10 A
Electric bilge pump
(optional)
3 A
Starting system,
electric fuel pump
10 A
EMS, start/stop circuit 5 A
Main 2 x 30 A
MPEM 2 A
Charging system 20 A
Information center 1 A
smo2002-003_a.book Page 86 Friday, October 12, 2001 2:04 PM
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