CYLINDER BLOCK AND CRANKCASE
Page 4B–26 90-857138R1 MAY 2000
Measuring Camshaft Lobe Height “A” Intake/Exhaust
NOTE: 2000 model year outboards have hp mark located on cam gear as shown below. For
2001 model year, all will have 6 hp camshaft.
Standard Value Out of the Limit
4 hp - 0.993 in. (25.24 mm)
5 hp - 1.047 in. (26.59 mm)
6 hp - 1.115 in. (28.33 mm)
0.983 in. (24.96 mm) or less requires replacement
1.037 in. (26.33 mm) or less requires replacement
1.105 in. (28.06 mm) or less requires replacement
Measuring Camshaft Bearing Diameter “B”
Standard Value Out of the Limit
0.550 in. (13.98 mm) 0.549 in. (13.95 mm) or less requires replacement
A
B
CAM ID
4 (1999 & 2000)
5 (1999 & 2000)
6 (2000)
4/5/6 (2001)
4
5
6
6
Measuring Inside Diameter of Oil Pan Bearing - Crankshaft
Standard Value Out of the Limit
0.985 in. (25.01 mm) Depends of clearance
Clearance Between the Oil Pan Bearing and Crankshaft
Standard Value Out of the Limit
0.0006 - 0.0015 in. (0.015 – 0.040 mm) If 0.002 in. (0.06 mm) or more requires replacement
Subtract the crankshaft diameter from the oil pan bearing diameter.
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