Yamaha F40H Owner's Manual

Also see for F40G: Owner's manual

Specifications and requirements16motor will be used.If oil grades listed under Recommended en-gine oil grade 1 are not available, select analternative oil grade listed under Recom-mended engine oil grade 2.Recommended engine oil grade 1Recommended engine oil grade 2EMU36361Fuel requirementsEMU40203GasolineUse a good quality gasoline that meets theminimum octane rating. If knocking or ping-ing occurs, use a different brand of gasolineor premium unleaded fuel.ECM01982 Do not use leaded gasoline. Leadedgasoline can seriously damage the en-gine. Avoid getting water and contaminantsin the fuel tank. Contaminated fuel cancause poor performance or enginedamage. Use only fresh gasoline thathas been stored in clean containers.TIP: This mark identifies the recommended fuelfor this outboard motor as specified by Eu-ropean regulation (EN228). Check that gasoline nozzle has the sameidentifier when fueling.Recommended engine oil:YAMALUBE 4 or 4-stroke outboardmotor oilRecommended engine oil grade 1:SAE 10W-30/10W-40/5W-30API SE/SF/SG/SH/SJ/SLRecommended engine oil grade 2:SAE 15W-40/20W-40/20W-50API SH/SJ/SLEngine oil quantity (without oil filterreplacement):1.9 L (2.01 US qt, 1.67 Imp.qt)Engine oil quantity (with oil filter re-placement):2.1 L (2.22 US qt, 1.85 Imp.qt)ZMU06854122˚F50˚C10440863068SAE APISESFSGSHSJSL20501032014-10-4-2010W–3010W–405W–30ZMU06855122˚F50˚C10440863068SAE APISHSJSL20501032014-10-4-2015W–4020W–4020W–50Recommended fuel:Regular unleaded gasolineMin. research octane number (RON):90E5 E10