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DF90A

DF90A

DF90A FEATURES

Suzuki’s innovative DF90A was the first outboard to utilise the pioneering Offset Driveshaft.

Start system	Electric start
Multi-point sequential electronic fuel injection	Standard
Two-stage gear reduction system	Standard
Offset driveshaft	Standard
Suzuki anti-corrosion system	Standard
Suzuki Lean Burn Control System	Standard
16-valve DOHC (dual overhead cam) design	Standard

SIMILAR OUTBOARDS

DF80A

DF100B

DF90A SPECS

Shaft length	L: 508mm (20") \| X: 635mm (25")
Starting system	Electric
Weight	L: 156kg \| X: 160kg
Engine type	DOHC 16-valves
Fuel delivery system	Multi-point electronic fuel injection
No. of cylinders	In-line 4
Displacement	1,502cm3
Bore x Stroke	75mm × 85mm
Maximum output	66.2kW
Full throttle operating range	5,300–6,300rpm
Steering	Remote \| Tiller
Oil pan capacity	4.0 litres

Ignition system	Fully transistorised
Alternator	12V 27A
Engine mounting	Shear mount
Trim method	Power trim & tilt
Gear ratio	2.59:1
Gear shift	F-N-R
Exhaust	Through prop hub exhaust
Propeller selection (pitch)	13"–25"
Fuel tank capacity	25L (Optional)
Fuel	minimum 91 (RON) octane
Warranty	5 years for recreational use

DF90A PERFORMANCE TESTS

DF90A tested on Argus E35

Test Conditions

Date:	2/06/2011
Location:	Gold Coast Broadwater
Conditions:	Mid SE wind, light chop
Temperature:	23deg
Crew:	4

Test Boat: Argus E35

Length:	10.67m
Beam:	4.0m
Dry Weight:	5200kg
Max Horsepower:	180HP
Fuel Capacity:	600L
Weight as tested:	5800kg (est)

Conclusion

Optimal Cruise Speed:	24km/h
Cruise Range (Approx) Based on 95% Fuel Capacity:	670km
Maximum Speed:	39km/h
0-40km/h:

Outboard: Twin Suzuki DF90A

Horsepower:	90HP
Cylinder:	In line 4
Weight:	155kg
Gear Ratio:	2.59:1
Propeller:	Suzuki 13.75 x 14 3 blade stainless steel

Suzuki Performance Figures

RPM	Av KM/H	L/Hr	Av L/KM
700	4	1.55	0.3
1000	5	2.8	0.35
1500	8	5.5	0.4
2000	11	9.3	0.4
2500	13	13	0.55
3000	16	17.5	0.75
3500	18	24.8	0.85
4000	24	30.4	0.85
4500	28	41	0.9
5000	31	50.5	1.05
5500	36	65	1.35
6000	38	81	175

Suzuki Fuel Consumption Comparison

DF90A tested on Origin 4x4 4950 Side Console

Test Conditions

Date:	28/11/2013
Location:	Redcliffe, QLD
Conditions:	Light northerly winds
Temperature:	29deg
Crew:	2

Test Boat: Origin 4x4 4950 Side Console

Length:	5.0m
Beam:	2.2m
Dry Weight:	700kg (est)
Max Horsepower:	90HP
Fuel Capacity:	70L
Weight as tested:	850kg (est)

Conclusion

Optimal Cruise Speed:	38.5km/h (20.6 knots)
Cruise Range (Approx) Based on 95% Fuel Capacity:	264km
Maximum Speed:	65.2km/h (35.2 knots)
0-40km/h:	Not recorded

Outboard: Suzuki DF90A

Horsepower:	90HP
Cylinder:	In line 4
Weight:	155kg
Gear Ratio:	2.59:1
Propeller:	Suzuki 13.75 x 17 3 blade alloy

Suzuki Performance Figures

RPM	Av KM/H	L/Hr	Av L/KM
700	4.5	0.6	0.35
1000	7.2	1.25	0.2
1500	8.8	2.05	0.25
2000	10.2	3	0.3
2500	12.7	4.8	0.4
3000	20.9	6.95	0.4
3500	31.3	8.1	0.25
4000	38.5	9.95	0.25
4500	43	12.5	0.3
5000	49	15.85	0.3
5500	54.5	26.3	0.45
6000	62.2	30.35	0.45

Suzuki Fuel Consumption Comparison

DF90A tested on Swift Marine 6.2m - Marine Parks Custom

Test Conditions

Date:	1/02/2013
Location:	Gold Coast, QLD
Conditions:	0.25m to 0.5m chop, strong tide
Temperature:
Crew:	3

Test Boat: Swift Marine 6.2m - Marine Parks Custom

Length:	6.2m
Beam:	2.45m
Dry Weight:	Not recorded
Max Horsepower:	180HP
Fuel Capacity:	200L
Weight as tested:	1800kg (est)

Conclusion

Optimal Cruise Speed:	41.1km/h
Cruise Range (Approx) Based on 95% Fuel Capacity:	345km
Maximum Speed:	74km/h
0-40km/h:	Not recorded

Outboard: Twin Suzuki DF90A

Horsepower:	90HP
Cylinder:	In line 4
Weight:	158kg
Gear Ratio:	2.59:1
Propeller:	Suzuki 14 x 20 3 blade stainless steel

Suzuki Performance Figures

RPM	Av KM/H	L/Hr	Av L/KM
700	8.5	1.2	0.15
1000	11.1	2.45	0.35
1500	13.5	4.5	0.35
2000	15.5	6.25	0.4
2500	17.8	10.5	0.6
3000	21.8	18.5	0.7
3500	32.4	17.7	0.6
4000	41.1	22.95	0.55
4500	48.4	27.9	0.6
5000	54	37	0.7
5500	60.1	46.6	0.85
6000	65.6	60.6	1

Suzuki Fuel Consumption Comparison

DF90A tested on Woody Naiad 6.1m Cuddy

Test Conditions

Date:	9/10/2012
Location:	Manly, QLD
Conditions:	0.5m chop
Temperature:	26deg
Crew:	2

Test Boat: Woody Naiad 6.1m Cuddy

Length:	6.1m
Beam:	2.5m
Dry Weight:	1200kg (est)
Max Horsepower:	180HP
Fuel Capacity:	160L
Weight as tested:	1800kg (est)

Conclusion

Optimal Cruise Speed:	43.9km/h
Cruise Range (Approx) Based on 95% Fuel Capacity:	313km
Maximum Speed:	72km/h
0-40km/h:	Not recorded

Outboard: Suzuki DF90A

Horsepower:	90HP
Cylinder:	In line 4
Weight:	158kg
Gear Ratio:	2.59:1
Propeller:	Suzuki 14 x 22 3 blade stainless steel

Suzuki Performance Figures

RPM	Av KM/H	L/Hr	Av L/KM
700	4.9	1.2	0.24
1000	7.3	2.25	0.3
1500	9.6	4.45	0.43
2000	11.9	6.35	0.54
2500	14	9.2	0.76
3000	23.3	14.15	0.65
3500	34.1	17.9	0.51
4000	43.9	21.4	0.49
4500	50.9	26	0.51
5000	57.9	37.8	0.65
5500	64.4	42.75	0.67
6000	69.2	55.6	0.89
6400	70.9	64.5	0.92

Suzuki Fuel Consumption Comparison

DF90A tested on Formosa 480 Classic Side Console

Test Conditions

Date:	12/02/2014
Location:	Logan River, QLD
Conditions:	Calm
Temperature:	28deg
Crew:	2

Test Boat: Formosa 480 Classic Side Console

Length:	4.95m
Beam:	2.3m
Dry Weight:
Max Horsepower:	90HP
Fuel Capacity:	70L
Weight as tested:	800kg (est)

Conclusion

Optimal Cruise Speed:	42.7km/h (22.9 knots)
Cruise Range (Approx) Based on 95% Fuel Capacity:	221km
Maximum Speed:	58.9km/h (31.6 knots)
0-40km/h:

Outboard: Suzuki DF90A

Horsepower:	90HP
Cylinder:	In line 4
Weight:	155kg
Gear Ratio:	2.59:1
Propeller:	Suzuki 14 x 17 3 blade alloy

Suzuki Performance Figures

RPM	Av KM/H	L/Hr	Av L/KM
700	3.5	0.8	0.3
1000	4.9	1.4	0.3
1500	7.2	2.2	0.3
2000	8.9	2.8	0.4
2500	11.2	4.7	0.5
3000	16.6	7.2	0.4
3500	30.5	8.2	0.3
4000	37.3	10.2	0.3
4500	42.7	12.8	0.3
5000	48.8	16.8	0.4
5500	52.3	23	0.4
6000	57.2	32.1	0.6
6300	58.8	32.8	0.6

Suzuki Fuel Consumption Comparison

DF90A tested on Haines Hunter 445R

Test Conditions

Date:	25/01/2009
Location:	Lake Yarrawonga, VIC
Conditions:	Slight chop, fresh water
Temperature:	33deg
Crew:	2

Test Boat: Haines Hunter 445R

Length:	4.45m
Beam:	2.06m
Dry Weight:
Max Horsepower:	90HP
Fuel Capacity:	50L
Weight as tested:	900kg (est)

Conclusion

Optimal Cruise Speed:	44.8km/h (24 knots)
Cruise Range (Approx) Based on 95% Fuel Capacity:	118km
Maximum Speed:	70.9km/h (38 knots)
0-40km/h:

Outboard: Suzuki DF90A

Horsepower:	90HP
Cylinder:	In line 4
Weight:	155kg
Gear Ratio:	2.59:1
Propeller:	Suzuki 14 x 19 3 blade alloy

Suzuki Performance Figures

RPM	Av KM/H	L/Hr	Av L/KM
700	3.2	0.4	0.2
1000	5.9	1.1	0.2
1500	8.5	2.1	0.2
2000	10.9	3.1	0.3
2500	14.5	5.1	0.4
3000	29.2	6.2	0.2
3500	36.6	7.5	0.2
4000	44.8	10.2	0.2
4500	51.1	13.1	0.3
5000	55.5	19.5	0.4
5500	61.6	29.9	0.5
6000	68.3	31.7	0.5
6350	68.3	31.7	0.5

Suzuki Fuel Consumption Comparison

DF90A tested on Signature 485SF

Test Conditions

Date:	2/04/2012
Location:	Brisbane River, QLD
Conditions:	Calm, brackish water
Temperature:	24deg
Crew:	3

Test Boat: Signature 485SF

Length:	4.85m
Beam:	2.04m
Dry Weight:	525kg (est)
Max Horsepower:	90HP
Fuel Capacity:	120L
Weight as tested:	750kg (est)

Conclusion

Optimal Cruise Speed:	42.8km/h (23.1 knots)
Cruise Range (Approx) Based on 95% Fuel Capacity:	380km
Maximum Speed:	60.7km/h (32.5 knots)
0-40km/h:

Outboard: Suzuki DF90A

Horsepower:	90HP
Cylinder:	In line 4
Weight:	155kg
Gear Ratio:	2.59:1
Propeller:	Suzuki 14 x 18 3 blade stainless steel

Suzuki Performance Figures

RPM	Av KM/H	L/Hr	Av L/KM
700	3.4	0.6	0.35
1000	4.7	1.2	0.35
1500	6.9	2.1	0.35
2000	9.4	2.9	0.35
2500	10.9	4.8	0.45
3000	12.4	7.7	0.6
3500	21.1	9.7	0.53
4000	35.7	10.7	0.3
4500	42.8	13.6	0.3
5000	48.2	19.5	0.4
5500	53.9	23	0.45
6000	59	31.8	0.55
6200	60.7	32.2	0.55

Suzuki Fuel Consumption Comparison

DF90A tested on Signature 502RF

Test Conditions

Date:	14/04/2011
Location:	Gold Coast Broadwater
Conditions:	Calm
Temperature:	25deg
Crew:	2

Test Boat: Signature 502RF

Length:	5.25m
Beam:	2.13m
Dry Weight:	940kg (est)
Max Horsepower:	115HP
Fuel Capacity:	100L
Weight as tested:	1250kg (est)

Conclusion

Optimal Cruise Speed:	48.1km/h (25.8 knots)
Cruise Range (Approx) Based on 95% Fuel Capacity:	271km
Maximum Speed:	61.85km/h (33.4 knots)
0-40km/h:

Outboard: Suzuki DF90A

Horsepower:	90HP
Cylinder:	In line 4
Weight:	155kg
Gear Ratio:	2.59:1
Propeller:	Suzuki 14 x 17 3 blade alloy

Suzuki Performance Figures

RPM	Av KM/H	L/Hr	Av L/KM
700	7.1	0.9	0.15
1000	10	1.2	0.2
1500	10.1	2.2	0.25
2000	12.1	3	0.25
2500	14.8	5.1	0.45
3000	27.1	7.7	0.5
3500	35.8	9.5	0.35
4000	42.8	11.5	0.35
4500	48.1	15.4	0.35
5000	53.3	20.1	0.4
5500	59.6	24.6	0.45
6000	66	33.2	0.55

Suzuki Fuel Consumption Comparison

DF90A tested on Ultimate 18C

Test Conditions

Date:	19/01/2017
Location:	Tauranga NZ
Conditions:	25kn
Temperature:	20deg
Crew:	2

Test Boat: Ultimate 18C

Length:	6.0m
Beam:	n/a
Dry Weight:	1500kg
Max Horsepower:	n/a
Fuel Capacity:	100L
Weight as tested:	n/a

Conclusion

Optimal Cruise Speed:	34.2km/h
Cruise Range (Approx) Based on 95% Fuel Capacity:	340km
Maximum Speed:	56.3km/h
0-40km/h:	n/a

Outboard: Suzuki DF90ATX

Horsepower:	90HP
Cylinder:	4
Weight:	158kg
Gear Ratio:	2.59:1
Propeller:	Suzuki 14" x 19" 3 blade alloy

Suzuki Performance Figures

RPM	Av KM/H	L/Hr	Av L/KM
700	4.45	0.7	0.16
1000	7.15	1.4	0.2
1500	9.3	2.4	0.26
2000	10.85	3.15	0.29
2500	16.25	5.3	0.33
3000	23.75	7.3	0.31
3500	34.2	9.5	0.28
4000	40.05	11.85	0.3
4500	45.5	17.9	0.39
5000	50.25	25.1	0.5
5500	55.3	30.6	0.55
6000	56.3	31.35	0.56
6000	56.3	31.35	0.56

Suzuki Fuel Consumption Comparison

DF90A tested on Haines Signature 495F

Test Conditions

Date:	5/10/2017
Location:	Brisbane, QLD
Conditions:	Flat
Temperature:	27deg
Crew:	3

Test Boat: Haines Signature 495F

Length:	4.95m
Beam:
Dry Weight:	705kg
Max Horsepower:	90hp
Fuel Capacity:	75L
Weight as tested:

Conclusion

Optimal Cruise Speed:	38.4km/h
Cruise Range (Approx) Based on 95% Fuel Capacity:	235km
Maximum Speed:	62.0km/h
0-40km/h:	n/a

Outboard: Suzuki DF90ATL

Horsepower:	90HP
Cylinder:	4
Weight:	160kg
Gear Ratio:	2.59:1
Propeller:	3 x 13 7/8 x 19

Suzuki Performance Figures

RPM	Av KM/H	L/Hr	Av L/KM
600	4.3	0.7	0.16
1000	6.25	1.2	0.19
1500	9.55	2.5	0.26
2000	11.2	3.05	0.28
2500	7.75	5.2	0.97
3000	15.7	8.35	0.53
3500	28	9.2	0.33
4000	38.4	11.6	0.3
4500	46.25	14.1	0.3
5000	52.05	21.4	0.41
5500	58	29.15	0.5
6000	62	33	0.53
6250	62	33	0.53

Suzuki Fuel Consumption Comparison