SPECIFICATIONS
Page 1A-2 90-859494R1 JUNE 2000
Model 115/135/150/175 DFI
PISTON
DIAMETER
Dimension
“A” at Right
Angle (90
°)
to Piston
Pin
.700
17.78mm
3.4925 in. ± .0005 in.
(88.7095 mm ± .0127 mm)
Using a micrometer, measure dimension
“A” at location shown. Dimension “A”
should be 3.4925 in. ± .0005 for a STAN-
DARD size piston (new) Dimension “A”
will be 0.001 – 0.0015 less if coating is
worn off piston (used)
REEDS Reed Stand 0pen (Max.) 0.020 in. (0.50 mm)
DIRECT
INJECTION
Injectors
– Quantity
– Injectors are Crank Angle Driven
by ECM
– #2 Cylinder
– #4 Cylinder
– #6 Cylinder
– #1 Cylinder
– #3 Cylinder
– #5 Cylinder
Fuel Line Pressure @ Injectors
Air Pressure
High Pressure Electric Fuel Pump
Amperage Draw
Low Pressure Electric Fuel Pump
Amperage Draw
Low Pressure Electric Fuel Pump
Output
Fuel Injector Ohm Resistance
Direct Injector Ohm Resistance
Fuel/Air Differential
6
WHT/RED + RED/WHT Leads
WHT/YEL + YEL/WHT Leads
WHT/PPL + PPL/WHT Leads
WHT/BRN + BRN/WHT Leads
WHT/ORG + ORG/WHT Leads
WHT/DRK BLU + DRK BLU/WHT
Leads
89 ± 2 psi (613.5 ± 13.8 kPa)
79 ± 2 psi (544.0 ± 13.8 kPa)
5 – 9 Amperes
1 – 2 Amperes
6 – 9 psi (41.37 – 62.04 kPa)
1.8 ± 0.1 Ω
1.3 ± 0.3 Ω
10 psi (68.5 kPa)
FUEL
SYSTEM
Fuel
Recommended Gasoline
Recommended Oil
Gasoline/Oil Ratio
– @ Idle
– @ WOT
Gasoline w/Oil Injection
Unleaded 87 Octane Minimum
Quicksilver TC-W3 Premium Plus 2
Cycle Outboard Oil
300 – 400:1
60:1**
**
On some light boat applications after the break-in is completed and the engine is being run at cruising
speed – between 4000 and 5000 RPM – the fuel to oil ratio may be as high as 28:1. This results from a re-
duced throttle opening with a corresponding reduction in fuel consumption.
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