Advantages

Model Name:	DF150	Honda 150	Mercury 150	Yamaha 150
Manufacturer:	Suzuki	Honda	Mercury	Yamaha
Horsepower:	150	150	150	150
Shaft Length (Inches):	L (20), X (25)	L (20), X (25)	L (20), X (25)	L (20), X (25)
Weight (Lbs):	L (474), X (485)	L (478), X (485)	L (510), X (527)	L (466), X (475)
Cylinders:	In-line4	In-line 4	In-line 4 DOHC	In-line 4
Valves Per Cylinder:	DOHC 4 Valves Per Cyl.	DOHC 4 Valves Per Cyl.	DOHC 4 Valves Per Cyl.	DOHC 4 Valves Per Cyl.
Valve Train Drive:	Self adjusting oil bathed chain	Belt with valve timing electrical control	Belt	Belt
Displacement:	174.9 cu. in. (2867 cc)	144 cu. in. (2354 cc)	105.7 cu. in. (1732 cc)	163 cu. in. (2670 cc)
Bore and Stroke (Inches/mm):	3.81 x 3.81 in. (97 x 97 mm)	3.43 x 3.9 in. (87 x 97mm)	3.23 x 3.23mm (82x82 mm)	3.70 x 3.79mm (94 x 96.2 mm)
Operating Range (RPM):	5000-6000	5000-6000	5800 - 6400	5000 - 6000
Induction System:	EFI Multi Stage Induction	EFI 4-Stroke	EFI-4 Stroke Supercharged	EFI - 4-Stroke
Starting System:	Electric Start w/Suzuki EFI	Electric	Electric	Electric
Lubrication:	Wet sump	Wet sump	Wet sump	Wet sump
Oil Tank Capacity:	8.0 qt. (7.6 lit.)	Unknown	Unknown	5.5 qt. (5.2 lit)
Ignition:	Solid State Electronic	Microcomputer	Digital Inductive	TCI Microcomputer
Alternator:	12V 44A	12V 51A	12V 70A	12V 35A
Trim Type:	Power Trim and Tilt	Power Trim and Tilt	Power Trim and Tilt	Power Trim and Tilt
Gear Ratio:	2.50:1	2.14:1 (14/30)	2.08:1	2.00:1 (14/28)
CARB Emissions Rating:	3-Star Ultra-Low	3-Star Ultra-Low	2-Star Very-Low	3-Star Ultra-Low
Standard Propeller (Blades x Dia. x Pitches (Ins.)):	Optional - See Dealer	Unknown	Unknown	Unknown
Counter Rotation:	Available	Available	Available	Available
Range of Avail. Optional Propeller Pitches:	17 - 27	Unknown	Unknown	Unknown
Steering:	Remote	Unknown	Unknown	Unknown

DF150 Advantages

Over Honda

• 474 lbs to 478 lbs, lightweight, compact design, better power to weight ratio
• Offset Drive shaft. Better balance on the transom.
• Easy access Shim & Bucket valve adjustment quick and accurate valve adjustment vs. expensive service
• Self adjusting timing chain vs. Over head belt. No belt maintenance or adjustment necessary.
• 175 cu. in. vs. 163 cu. in. No replacement for displacement.
• 2.50 : 1 vs. 2.00 :1. Lower gear ratio to swing a larger prop for improved acceleration
• Dual Engine Flush Ports

Over Mercury

• 474 lbs to 478 lbs, lightweight, compact design, better power to weight ratio
• Natural Aspiration vs. SuperCharge. Every Authorized Suzuki Dealer can service vs. Limited Authorized Service Centers
• Offset Drive shaft. Better balance on the transom.
• Self adjusting timing chain vs. Over head belt. No belt maintenance or adjustment necessary.
• Easy access Shim & Bucket valve adjustment quick and accurate valve adjustment vs. expensive service
• 175 cu. in. vs. 163 cu. in. No replacement for displacement.
• 2.50 : 1 vs. 2.00 :1. Lower gear ratio to swing a larger prop for improved acceleration
• Dual Engine Flushing Ports

Over Yamaha

• Multi-Stage Induction. Boost torque and maximize power.
• Offset Drive shaft. Better balance on the transom.
• Self adjusting timing chain vs. Over head belt. No belt maintenance or adjustment necessary.
• Easy access Shim & Bucket valve adjustment quick and accurate valve adjustment vs. expensive service
• 175 cu. in. vs. 163 cu. in. No replacement for displacement.
• 2.50 : 1 vs. 2.00 :1. Lower gear ratio to swing a larger prop for improved acceleration
• 44 Amp charging vs 35 Amp, More power for your electronics
• 8.0 qt. of oil vs 5.5 qt., More oil for better lubrication and cooling
• Dual Engine Flush Ports

Boat Tests

See the results of detailed performance tests on Suzuki outboards with some of the most popular boat lines.

Alumacraft Tournament Pro 175 CS DF150 (196 KB .pdf)
Angler 220FX DF150 (208 KB .pdf)
Blue Wave 2000A Pure Bay DF150TX (154 KB .pdf)
Blue Wave 220 STL Super Tunnel DF150TL (146 KB .pdf)
Blue Wave 2200 Pure Bay DF150TX (123 KB .pdf)
Bluewater 2550 Twin DF150 (192 KB .pdf)
Dusky 218 Open DF150 (776 KB .pdf)
Dusky 256 Open Twin DF150 (219 KB .pdf)
Encore Bentley 240 Criuse SE - DF150TL (132 KB .pdf)
Encore Bentley 250 Elite - DF150TL (204 KB .pdf)
Glacier Bay 2665 Canyon Runner Twin DF150 (195 KB .pdf)
Glacier Bay 2740 Twin DF150 (85 KB .pdf)
JC 245TT Spirit DF150SS (129 KB .pdf)
Landau Excalibur 2250 DF150 (206 KB .pdf)
Playcraft Clipper 2400 DF150 (78 KB .pdf)
Playcraft Deck Cruiser DF150 (89 KB .pdf)
Ranger 220 Bahia Bay DF150SS (141 KB .pdf)
Sea Ark V Baymaster DF150 (160 KB .pdf)
Sea Born SV221 DF150 (130 KB .pdf)
Sea Cat 22 Dual Console Twin DF150 (199 KB .pdf)
Tideline 19 DF150 (79 KB .pdf)
Triton 197 Magnum DC DF150 (183 KB .pdf)
Twin Vee 26 Xtreme DF150 (207 KB .pdf)

Each report also contains a printable, PDF version. To view the PDF version, you will need a free copy of Adobe Reader.

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