SPECIFICATIONS
Page 1A-4 90-859494R1 JUNE 2000
Model 115/135/150/175 DFI
TIMING Full Throttle RPM Range
(115/135)
(150/175
Idle RPM (In Forward Gear)
Maximum Timing: @ Wide OPEN
Idle Timing
Throttle Position Sensor
@ Idle
@ W.O.T.
Firing Order
5000 - 5500
5250 - 5750
550 ± 25
Not Adjustable Controlled by ECM
Not Adjustable Controlled by ECM
3.20 - 4.90 VDC
0.10 - 1.50 VDC
1-2-3-4-5-6
AIR
COMPRESSOR
Type
Compressor Output
Reciprocating Piston
(1 to 1 ratio with engine RPM)
@ Idle – 80 psi
@ W.O.T. – 110 psi
Cylinder Block Displacement 7.07 cu. in. (116 cc)
Cylinder Bore
Diameter (Standard)
Taper/Out-of-Round/
Wear Maximum
Bore Type
2.5591 in. (65.0 mm)
0.001 in. (0.025 mm)
Cast Iron
Stroke Length 1.374 in. (34.9 mm)
Piston Type Aluminum
Piston Diameter 2.5578 ± .0004 in.
(64.97 ± 0.010 mm)
Dimension
“A” at
Right
Angle
(90
°) to
Piston Pin
0.500 in.
Piston Ring End Gap
Top Ring
Middle Ring
Bottom Ring
0.0059 – 0.0098 in.
(0.15 – 0.25 mm)
0.0059 – 0.0098 in.
(0.15 – 0.25 mm)
0.0039 – 0.014 in.
(0.10 – 0.35 mm)
Reeds
Stand Open
0.010 in. (0.25 mm)
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