Case study: Marine oil
Author: NEOL
A 20-hour controlled test on a 4 hp four-stroke outboard motor. Power increase with reduced noise and vibration for a healthier operator experience and extra ecological protection to the air and oceans with SAE 10W-40 & SAE 75W-90 oils.
#4 stroke engine oil #gear oil #SAE 10W-40 #SAE 75W-90 #marine #Yamaha #More Power #Eco-protection #No-SAPS
