SERVICE MANUAL NUMBER 25
262 CID (4.3L) ENGINES
262
CID / 4.3L Engine Specifications
NOTICE
Unit Of Measurement: Inches (Millimeters)
VALVE SYSTEM
Lifter
Hydraulic Roller
Rocker Arm Ratio
1.50:1
.414 (10.52)
Intake
Valve Lift
Exhaust
.428 (10.87)
Valve Lash (Intake and Exhaust)
Face Angle (Intake & Exhaust)
Seat Angle (Intake & Exhaust)
Seat Runout (Intake & Exhaust)
Intake
Net Lash No Adjustment
45°
46°
.002 (0.05) Maximum
.035-.060 (0.89-1.52)
.062-.093 (1.58-2.38)
Seat Width
Exhaust
Intake
Production
.0011-.0027 (0.0279-0.069)
Exhaust
Stem
Clearance
Intake
Exhaust
Intake
.001 (0.025) Maximum
.002 (0.51) Maximum
Service
Stem Diameter
.341 (8.64)
.031 (0.79)
Exhaust
Valve Margin Intake and Exhaust
VALVE SPRING
Free Length
Valve
2.03 (51.6)
Closed
Valve
Spring
76-84 Lb. (338-374 N) at 1.7 in (43.16 mm)
Pressure
Valve
Open
187-203
Lb. (832-903 N) at 1.27 in (32.25 mm)
1.78 in (45.2 mm)
Installed Height Intake
Installed Height Exhaust
1.69-1.71 in. (42.9-43.43)
Index
90-861328--1
NOVEMBER 1999
Page 3A-9
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 1262 CID, Mercury MerCruiser 262 CID |
| Model Year | 1998, 1999, 2000, 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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