mercruiser 525 sc
#5
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80-90w is a good wieght to use....you are only lubbing the gears that are turning the 2 rotary shafts.
I always use synthetic in my blower. The merc hi-perf lube is synthetic. Use that or a Mobil 1 equivilent.
I always use synthetic in my blower. The merc hi-perf lube is synthetic. Use that or a Mobil 1 equivilent.