Section 12
TECHNICAL DATA
Sub-Section 05
(GTI AND GTX MODELS)
12-05-2
ELECTRICAL
GTI (5641)
GTX (5642)
Magneto generator output
160 W @ 6000 RPM
or 4.0 A @ 2000 RPM
180 W @ 6000 RPM
or 5.0 A @ 6000 RPM
Ignition system type
Digital CDI
Digital DC-CDI
Spark plug
Make and type
NGK BR8ES
Gap
0.5 - 0.6 mm (.020 - .024 in)
Ignition timing
(BTDC)
mm (in)
2.59 (.102)
3.38 (.133)
Degrees
20° ± 1
➀
22° ± 1 @ 3500 RPM
Generating coil
40 - 76
Ω
Not applicable
Battery charging coil
0.05 - 0.6
Ω
0.1 - 1
Ω
Trigger coil
Not applicable
190 - 300
Ω
Ignition coil
Primary
0.33 - 0.62
Ω
Secondary
8.4 - 15.6 k
Ω
Engine rev limiter setting
7000 (± 50) RPM
7200 (± 50) RPM
Battery
(Yuasa/Exide) 12 V, 19 A•h
Fuse
Starting system
5 A
Charging system
2 x 15 A
VTS system
Not applicable
ADDITIONAL INFORMATION:
➀
Engine cold @ 6000 RPM.
CARBURETION
GTI (5641)
GTX (5642)
Carburetor
Type
Mikuni BN-40I (diaphragm)
Quantity
1
2
Main jet
175
142.5
Pilot jet
70
Spring
80 g
Adjustment
Low-speed screw
1-3/4 turn ± 1/4
1 turn ± 1/4
High-speed screw
0
Idle speed (in water)
1500 RPM
Idle speed (out of water)
3000 RPM
Fuel
Type
Regular unleaded gasoline
Minimum octane no.
87
Fuel return line orifice
0.8 mm (.031 in)
MAG and PTO:
0.8 mm (.031 in)
ADDITIONAL INFORMATION:
COOLING
GTI (5641)
GTX (5642)
Type
Open circuit – Direct flow from jet propulsion unit
Thermostat
None
Monitoring beeper setting
86-94°C (187-201°F)
ADDITIONAL INFORMATION:
www.SeaDooManuals.net
Summary of Contents for 1997 GSI
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