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2004 Two Stroke Portable Series Specifications

 

25hp

15hp

9.9hp

8hp

Engine Type 2 Cyl. 2 Cyl. 2 Cyl. 2 Cyl.
Displacement 24.1 ci (395 cc) 15.0 ci (246 cc) 15.0 ci (246 cc) 10.1 ci (165 cc)
RPM Range 5000-6000 4500-5500 4500-5500 4500-5500
Alternator Output @ W.O.T. 6A *** 6A *** 6A *** 6A ***
Compression Ratio 7.2:1 6.8:1 6.3:1 7.0:1
Induction System Loop Charged Loop Charged Loop Charged Cross Flow
Lubrication 100:1 Premix 100:1 Premix 100:1 Premix 100:1 Premix
Ignition System CDI CDI CDI CDI
Starting System Manual Manual Manual Manual
Shaft Length 15 in. 15 in. 15 in. 15 in.
Gear Ratio 13:27 (2.08) 13:27 (2.08) 13:27 (2.08) 13:27 (2.08)
Weight* 106 lb (48 kg) 79 lb (36 kg) 79 lb (36 kg 60 lb (27 kg)
Warranty 2 Year Limited Pleasure Boat - 1 Year Limited Commercial 2 Year Limited Pleasure Boat - 1 Year Limited Commercial 2 Year Limited Pleasure Boat - 1 Year Limited Commercial 2 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.