
90
SPECIFICATIONS
MODELS
GTX 4-TEC SUPERCHARGED
(6159/6160)
ENGINE
Type
BOMBARDIER-ROTAX 1503, 4 stroke.
Single Over Head Camshaft (SOHC),
liquid cooled
Number of cylinder 3 in line
Number of valve
12 valves (4 per cylinder) with hydraulic lifters
(no adjustment)
Displacement 1494 cc (91.2 cu. in)
Induction type Mechanically-driven supercharger
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 7300 ± 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
smo2004-001a.book Page 90 Monday, March 31, 2003 12:17 PM
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