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Twelve years after starting the four stroke revolution with its award winning DF70 and DF60 outboards, Suzuki is reinventing the category again with the DF90A. The first of Suzuki’s new generation four-strokes, the DF90A is a showcase of advancements and achievements – such as digital sequential electronic fuel injection, a powerful 2.59:1final drive ratio, zero-maintenance self-adjusting time chain and don’t forget the Suzuki Lean Burn Control System. New DF90A models also sport the optional Suzuki Troll Mode System.
Overwhelmingly Light, Lightest in Class
L:157kg, the lightest weight in XXkW (100ps). (SUZUKI internal research)
Compact
- 100ps from a DF90A engine body
- Offset drive shaft for compact body
The Largest Reduction Gear Ratio
2.59:1, the greatest reduction gear ratio in XXkW (100ps). (SUZUKI internal research)
Full Equipment
OFFSET DRIVESHAFT
EXPLANATION
The engine powerhead is positioned closer to the front, moving the outboard’s center of gravity forward.
ADVANTAGE
- Less vibration
- More compact engine
- Stable steering performance
2-STAGE GEAR REDUCTION
EXPLANATION
This system which incorporates the Offset Driveshaft features a first stage reduction between the crankshaft and drive shaft and a second stage reduction inside the gear case. This design makes a larger gear ratio possible, allowing it to turn a large diameter propeller for high propulsive efficiency while providing higher torque.
ADVANTAGE
- High propulsive efficiency with large diameter propeller.
- Powerful navigation, maintaining propeller rotation even with a larger load.
- Tremendous power to turn large diameter propellers, offering quick acceleration.
FUEL EFFICIENT
LEAN BURN
EXPLANATION
The Lean Burn Control System supplies the right fuel and air mixture depending on the navigation conditions.
ADVANTAGE
- Significant improvement in fuel economy in all speed ranges especially at cruising speed.
- Fuel costs can be saved thanks to improved fuel economy.
Suzuki Easy Start System
The Suzuki easy start system no longer require to hold the key until the engine start. Now simply turn the key and release and the starter will stay engaged until the engine starts.
The system also features more precise cylinder detection, fuel injection, and ignition control to deliver smoother and improved starts, more efficient combustion, and greater fuel economy making the outboard more environmentally friendly.
STREAMLINED GEAR CASE AND HIGHLY EFFICIENT PROPELLER
The lower gear case on all four outboard motors utilizes a hydrodynamic design. As the lower unit moves through the water its sleek form reduces drag by up to 36% compared to conventional designs, contributing to faster acceleration and increased speed.
Thanks to the powerful torque delivered with Suzuki’s two-stage gear reduction, these outboards can turn a large diameter propeller. Suzuki engineered a new highly efficient propeller that takes advantage of this torque to provide faster acceleration and higher top speed.
SELF-ADJUSTING TIMING CHAIN
EXPLANATION
The timing chain runs in an oil-bath so it never needs lubricating, and is equipped with an automatic hydraulic tensioner so it remains properly adjusted at all times.
ADVANTAGE
- Higher durability compared to belt types.
- Maintenance-free.
SUZUKI'S ANTI CORROSION FINISH
Bonding the finish to the outboard’s alloy surface our specially formulated anti-corrosion finish has long been used as an effective treatment against corrosion and is found on all of our outboards.
TILT LIMIT SYSTEM
A tilt limit system that prevents the outboard from tilting beyond a certain angle.
ADVANTAGE
- Prevents damage to the boat or outboard due to excessive outboard tilting.
SUZUKI TROLL MODE SYSTEM (OPTIONAL EQUIPMENT)
EXPLANATION
A system that can move the boat at a constant speed.
ADVANTAGE
- Boat can be moved at a constant speed without operating the throttle.
DUAL ENGINE FLUSH PORTS
Over time, salt, sand, and dirt build up can restrict flow in the cooling system causing damage. To help prevent such buildup, DF100B/90A/80A/70A are equipped with two freshwater flush ports that make flushing the cooling system much easier. With one port located on the port side of the down housing and a second on the front panel, you’ll always have easy access to the flushing system whether the boat is in or out of the water.
DF90A Boat Test 1
View Boat Test 1 PDF Here
DF90A Boat Test 2
View Boat Test 2 PDF Here
Offset Driveshaft
Pioneered by Suzuki, the use of the offset drive shaft on four-stroke outboards has long been utilized to reduce the size of the outboard. Found on all Suzuki four-strokes from the DF70A and up, this design positions the crankshaft in front of the drive shaft simultaneously moving the outboard's center of gravity forward. While the design contributes greatly to the outboard's overall compactness and increased power performance, it also moves the engine's axis of inertia, the point where engine vibrations are at a minimum, up over the upper engine mount, thus greatly reducing vibration. These outboards also incorporate two-stage gear reduction designed to take maximum advantage of the power produced by these high-performance engines. Providing a final drive ratio of 2.50:1—the largest you can find in either of these outboard classes—it delivers powerful torque for quick acceleration and great top-end speed.
2-Stage Gear Reduction
This system which incorporates the Offset Driveshaft features a first stage reduction between the crankshaft and driveshaft, and a second stage reduction inside the gear case. This design makes a larger gear ratio possible, allowing it to turn a large diameter propeller. Advantage: High propulsive efficiency with large diameter propeller, Powerful navigation, maintaining propeller rotation even with a larger load and increased power to turn large diameter propellers, offering quick acceleration.
Lean Burn
Suzuki's innovative Lean Burn Control System was first introduced on the DF90A/80A/70A to great acclaim from boaters and the media alike. It predicts fuel needs according to operating conditions allowing the engine to run on a more efficient fuel mixture through the use of a lean air-fuel ratio. It delivers its benefits over a wide operating range, providing significant improvements in fuel economy from low-speed operation into the cruising range. Combining this system with the Suzuki Precision Control electronic throttle and shift system allows the operator precise control over engine RPM for improved fuel economy over a wider operating range. This combination also delivers smooth power transitions throughout the entire RPM range. In-house testing shows that while cruising, the DF300AP is 14% more economical than the original non-Lean Burn DF300 without sacrificing any power of the original DF300.
Self-Adjusting Timing Chain
Suzuki’s self-adjusting timing chain is featured on the DF60A which is the first outboard in the 44.1kW (60PS) class equipped with this maintenance free feature. The chain is oil-bathed and features an automatic hydraulic tensioner that keeps the chain properly adjusted at all times for maintenance free operation.
Anti-Corrosion Finish
To guard against corrosion, Suzuki protects its outboards with its own specially formulated Suzuki Anti-Corrosion Finish. Applied directly to the outboard's aluminum alloy, this finish provides maximum bonding of the finish to the aluminum surface. Layering an epoxy primer undercoat, black metallic (or white) finish, and clear acrylic fiber finish on top of this forms an effective treatment against corrosion, protecting those parts of the outboard's aluminum alloy that are constantly exposed to saltwater.
Tilt Limit System
A tilt limit system that prevents the outboard from tilting beyond a certain angle.
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| Transom Height | L: 20 X: 25 (in) |
| Starting System | Electric |
| Weight | L: 344 X: 353 (LBS) |
| Engine Type | DOHC 16-Valve |
| Fuel Delivery System | Multi Point Sequential Electronic Fuel Injection |
| Piston Displacement | 91.7 (1502) (cc) |
| Bore x Stroke | 3.00 x 3.30 (75 x 85) |
| Max Horse Power Output | 90 |
| Operating Range | 5300 - 6300 (RPM) |
| Steering | Remote (Tiller Kit Optional) |
| Oil Pan Capacity | 4.2 (4.0) (L) |
| Ignition System | Solid State Direct Ignition |
| Trim Position | Power Trim and Tilt |
| Gear Ratio | 2.59:1 |
| Standard Propeller | Optional |
| Propeller Selection | 13-25 |
72 month warranty (includes 36 month factory warranty plus 36 month SPP warranty)
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Why the Suzuki Protection Plan
Peace of mind while adding value, Suzuki Protection Plan is there for you.
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Find My SuzukiUnless specified otherwise, all prices referenced in this Site are Manufacturer’s Suggested Retail Prices (“MSRP”) only and do not include taxes (including but not limited to air conditioning excise tax, retail sales tax , HST, PST or GST), title and registration fees, dealer pre-delivery and administrative charges, license fees, consumer rebates or incentives, dealer added options, destination and delivery charges, environmental charges or fees or any other additional costs. Any calculation of price, taxes or financing costs is provided as an estimate for your reference purposes only.
Unless specified otherwise, all prices referenced in this Site are Manufacturer’s Suggested Retail Prices (“MSRP”) only and do not include taxes (including but not limited to air conditioning excise tax, retail sales tax , HST, PST or GST), title and registration fees, dealer pre-delivery and administrative charges, license fees, consumer rebates or incentives, dealer added options, destination and delivery charges, environmental charges or fees or any other additional costs. Any calculation of price, taxes or financing costs is provided as an estimate for your reference purposes only.
Unless specified otherwise, all prices referenced in this Site are Manufacturer’s Suggested Retail Prices (“MSRP”) only and do not include taxes (including but not limited to air conditioning excise tax, retail sales tax , HST, PST or GST), title and registration fees, dealer pre-delivery and administrative charges, license fees, consumer rebates or incentives, dealer added options, destination and delivery charges, environmental charges or fees or any other additional costs. Any calculation of price, taxes or financing costs is provided as an estimate for your reference purposes only.
