GENERAL INFORMATION
SERVICE MANUAL NUMBER 25
Water Testing New Engines
Use care during the first 20 hours of operation on new Mercury MerCruiser engines or
possible engine failure may occur. If a new engine has to be water-tested at full throttle
before the break-in period is complete, follow this procedure.
1.
2.
3.
Start engine and run at idle rpm until normal operating temperature is reached.
Run boat up on plane.
Advance engine rpm (in 200 rpm increments) until engine reaches its maximum rated
rpm.
IMPORTANT: Do not run at maximum rpm for more than 2 minutes.
Boat and Engine Performance
Boat Bottom
For maximum speed, a boat bottom should be as flat as possible in a fore-aft direction
(longitudinally) for approximately the last 5 ft (1.5 m).
a
72002
a - Critical Bottom Area
For best speed and minimum spray, the corner between the bottom and the transom should
be sharp.
b
c
72003
a
a - Bottom
b - Corner
c - Transom
Index
Page 1A-6
90-861328--1 NOVEMBER 1999
| 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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