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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



Trim method Power trim & tilt
Gear ratio 2.59:1
Shaft length L: 508mm (20") | X: 635mm (25")
Gear shift F-N-R
Starting system Electric
Exhaust Through prop hub exhaust
Weight L: 156kg | X: 160kg
Propeller selection (pitch) 13"–25"
Engine type DOHC 16-valves
Fuel tank capacity 25L (Optional)
Fuel delivery system Multi-point electronic fuel injection
Warranty 5 years for recreational use
No. of cylinders In-line 4
Fuel minimum 91 (RON) octane
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

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