2001 Mercury Mariner 50-60HP Factory Service Manual, Page 5Get this manual
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SPECIFICATIONS
50 hp (37.7 Kw) 5750 rpm 60 hp (44.7 Kw) 5750 rpm 236 lb (107.2 kg) 252 lb (114.2 kg) Automotive Unleaded with Minimum Pump Posted Octane Rating of 87 pn 35-822626A2 pn 91-