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351 1992 Nautique

D

Dave Kleps

Guest
Dealer told me I must use 40 w

Dealer told me I must use 40 weight oil. I can't find it. I looked on engine cover and it says 20W50. Any advice?
 
"Dave, If you live in a clima

"Dave, If you live in a climate with no cold weather, or you don't run your boat in temps below 50, straight 40 is fine. Multi-viscosity oils are suggested when the boat will be used in the lower temps. Most new motors use 15W-40, but if the manufacturer recomends 25W-50, who am I to disagree?

I have never had a problem finding straight 40. If you have been looking in marine stores, try automotive parts stores, even Wal-Mart should have it.

Good luck
Rick"
 
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