2005 Four Stroke Series Midrange Specifications


F115hp

F90hp

F75hp

F60hp

F50hp

F40hp

F30hp

Engine Type 4 cyl. 4 cyl. 4 cyl. 4 cyl. 4 cyl. 3 cyl. 3 cyl.
Displacement 106.2 ci (1741 cc) 97 ci (1596 cc) 97 ci (1596 cc) 60.8 ci (996 cc) 60.8 ci (996 cc) 45.6 ci (747 cc) 45.6 ci (747 cc)
RPM Range 5000-6000 5000-6000 5000-6000 5000-6000 5000-6000 5000-6000 4500-5500
Alternator Output @ W.O.T. 25A 25A 25A 17A 17A 15A 15A
Compression Ratio 9.7:1 9.6:1 9.6:1 9.5:1 9.5:1 9.87:1 9.87:1
Induction System DOHC Electronic Fuel Injection DOHC Electronic Fuel Injection DOHC Electronic Fuel Injection SOHC Electronic Fuel Injection SOHC Electronic Fuel Injection SOHC SOHC
Lubrication Wet Sump Wet Sump Wet Sump Wet Sump Wet Sump Wet Sump Wet Sump
Ignition System TCI Micro Computer TCI TCI TCI TCI CDI Micro Computer CDI Micro Computer
Starting System Electric Electric Electric Electric Electric Manual or Electric Electric
Shaft Length 20 in., 25 in. 20 in. 20 in. 20 in. 20 in. 15 in., 20 in. 20 in.
Gear Ratio 13:28 (2.15) 13:30 (2.31) 13:30 (2.31) 13:24 (1.85) 13:24 (1.85) 13:26 (2.00) 13:26 (2.00)
Weight* 402 lb (183 kg) 369 lb (168 kg) 369 lb (168 kg) 237 lb (108 kg) 2373 lb (108 kg) 182 lb (83 kg) 198 lb (90 kg)
Warranty 3 Year Limited Pleasure Boat - 1 Year Limited Commercial 3 Year Limited Pleasure Boat - 1 Year Limited Commercial 3 Year Limited Pleasure Boat - 1 Year Limited Commercial 3 Year Limited Pleasure Boat - 1 Year Limited Commercial 3 Year Limited Pleasure Boat - 1 Year Limited Commercial 3 Year Limited Pleasure Boat - 1 Year Limited Commercial 3 Year Limited Pleasure Boat - 1 Year Limited Commercial

* Weight refers to shortest shaft length available. @Weight includes propeller where standard
   (2-30 hp); does not include propeller where optional props are available (40-250 hp).
** 3 hp through 30 hp comes standard with an aluminum propeller. 2 hp comes standard with a
      plastic propeller.
*** Consult your dealer for optional equipment.

Due to Yamaha's ongoing commitment to product improvement, we reserve the right to change without notice, equipment, materials or specifications. Your Yamaha Dealer is the best source for up-to-date product information. Read and follow the operation and maintenance guidelines provided by Yamaha in your Owner's Manual. Always observe all applicable boating laws. Never drink and drive. Dress properly with a USCG-approved personal flotation device and protective gear.