58
CA420
FUEL SYSTEM ADDITIVES (V6 MODELS)
To maximize the life of valves and valve seats on your MerCruiser
engine, use Quicksilver Valve Lubricant (92-826259A12) regularly.
CA693
Crankcase Oil
To help obtain optimum engine performance and to provide
maximum protection, we strongly recommend the use of Quicksilver
4-Cycle 25W-40 Marine Engine Oil. This oil is a special blend of
25-weight and 40-weight oils for marine engines. If not available, a
good grade, straight weight, detergent automotive oil of correct
viscosity, with an API classification of SH, CF/CF-2, may be used.
In those areas where Quicksilver 4-Cycle 25W-40 Marine Engine Oil
or a recommended straight weight oil are not available, a
multi-viscosity 20W-40 or, as a second but less preferable choice,
20W-50, with API service ratings of SH, CF/CF-2 may be used.
IMPORTANT: The use of non-detergent oils, multi-viscosity
oils (other than Quicksilver 25W-40 or a good quality 20W-40 or
20W-50), synthetic oils, low quality oils or oils that contain solid
additives are specifically not recommended.
The chart below is a guide to crankcase oil selection. The oil filter
should always be changed when changing engine oil.
75796
Quicksilver 4-Cycle 25W-40 Marine Engine Oil
SAE 20W
SAE 30W
SAE 40W
32° F
0
° C
50
° F
10
° C
AIR TEMPERATURE
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