Gen V And Gen VI (Except 7.4L Gen VI) Engine Specifications
Unit of Measurement
In. (mm)
VALVE SYSTEM
502
MAGNUM
8.2L
ENGINE MODEL
7.4L
454 MAGNUM
Lifter
Hydraulic
1.70 to 1
45°
Rocker Arm Ratio
Face Angle (Intake & Exhaust)
Seat Angle (Intake & Exhaust)
Seat Runout (Intake & Exhaust)
46°
.002(0.05) Max
Intake
1/32-1/16 [.03125 .0625] in. (0.79-1.58 mm)
1/16-3/32 [.0625-.09375] in. (1.58-2.38 mm)
.0010-.0027 (0.025-0.069)
Seat Width
Exhaust
Intake
Production
Service
Exhaust
Intake
.0012-.0029 (0.0304-0.0736)
Stem
Clearance
.001 (0.02)
.002 (0.05)
.003 (0.07)
.004 (0.10)
.372 (9.45)
.372 (9.45)
.0312 (0.79)
Fixed Lash
.0037 (0.09)
.0049 (0.12)
Exhaust
Intake
Stem Diameter
Exhaust
Valve Margin (Intake and Exhaust)
Valve Lash (Intake and Exhaust)
Index
90-823224--2
796
454 CID (7.4L) / 502 CID (8.2L) - 3A-7
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1993, 1994, 1995, 1996, 1997 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(4 votes, average: 4.5 out of 5)
Marine readers have rated 1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16 4.5 out of 5.0 based on 4 product reviews. Hugely helpful service manual! Perfect. Thank you!
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