Suzuki DF6AL 6HP 4-Stroke Outboard – 20in Shaft
For charter work, Suzuki DF6AL runs on 6 horsepower. The 20-inch shaft suits mid-size boats. Boaters pick it for a straightforward, low-maintenance setup. It keeps the rigging simple for first-time outboard buyers.
- Rated at 6 horsepower
- Fits 20-inch transom height
- Straightforward to service and maintain
- 20-inch shaft, standard fit
- 6 horsepower, 4-stroke reliability
Description
Overcoming steep harbor chop requires the extended reach of the Suzuki DF6AL to keep auxiliary sailboats moving smoothly. The 138cc single-cylinder block delivers steady low-end torque, pushing heavy displacement hulls upstream effortlessly against morning currents. Verifying your transom bracket geometry ensures this 20 inch long shaft suzuki outboard motor fits securely without causing dangerous water pump starvation.
Prevent catastrophic gearcase impacts in shallow creeks by utilizing the manual tilt bracket as an immediate physical lifting mechanism. You simply pull the 24 kg assembly upward to clear submerged stumps and gravel bars instantly. Suzuki casts the lower unit housing using multi-stage anti-corrosion treatments, establishing a rigid physical barrier against galvanic decay when repowering high-transom sailboats in brackish coastal environments.
Key Features of Suzuki DF6AL
- 20-Inch Long Shaft: Places the anti-ventilation plate deeply beneath tall auxiliary transoms, preventing water pump starvation in heavy chop.
- 138cc Single-Cylinder Block: Produces smooth low-end torque internally, lifting heavy aluminum work boats and large tenders effortlessly.
- Manual Recoil Starting: Strips heavy starter motors and battery cables completely from your boat, maximizing available gear payload capacity.
- 180-Degree Tiller Steering: Concentrates shift and throttle inputs directly into your operating hand for immediate physical obstacle avoidance.
- Manual Tilt Bracket: Features a rigid mechanical lock, safely holding the gearcase out of the water physically while moored at the dock.
- 24 Kilogram Dry Weight: Keeps the transom weight incredibly low, preventing the stern from dragging excessively on small displacement sailboats.
- Optional 6-Amp Alternator: Allows integration of a charging circuit, keeping small deep cycle batteries topped off for essential navigation lights.
- Carbureted Fuel Induction: Meters gas reliably into the cylinder, providing steady low-RPM operation when navigating no-wake harbor zones.
- Through-Prop Exhaust: Channels toxic combustion gases directly underwater, keeping the aft operator station completely free of smoke.
- Clean Four-Stroke Combustion: Burns unleaded fuel highly efficiently without messy two-stroke oil mixing, keeping pristine anchorages completely free of surface oil slicks.
Why Choose Suzuki DF6AL
This specific build fits only 20-inch transoms requiring direct physical tiller control. The extended shaft creates massive drag if mounted on a standard 15-inch boat. You cannot wire this to a forward console steering wheel. Procuring a reliable manual start long shaft outboard secures off-grid auxiliary power.
- Confirm a 20-inch vertical measurement from the transom top to the keel.
- Verify the tiller handle sweep path clears your rear bench seating completely.
- Avoid oil slicks on the water utilizing modern four-stroke internal lubrication.
Ideal Application and Vessel Fitment
This 20-inch manual-start tiller engine is engineered specifically for tall-transom sailboats, heavy displacement tenders, and commercial river-running hulls demanding massive shaft reach. By stripping away heavy electric starter motors, operators gain maximum payload capacity for remote area fishing gear. The specialized extra-long midsection guarantees this 6 hp long shaft tiller outboard maintains propeller bite in steep ocean swells, making it the ultimate off-grid auxiliary power plant for rugged coastal exploration.
Warranty, Support and Maintenance
Authorized recreational operation receives a 3-Year Limited Warranty alongside a 3-Year Corrosion Warranty. Registered commercial applications fall under a strict 1-Year Limited Warranty with zero corrosion coverage applied to the block. Scheduled maintenance requires replacing gearcase lubricants and changing oil filters at manual-specified intervals. Always save all physical service records. Your engine serial number acts as the only way to source exact genuine replacement parts. Mulmotor provides product-information support before purchase and assistance with order-related questions.
Suzuki DF6A S Specs
| Brand | Suzuki |
| Full Model Code | DF6AS |
| Country of Origin | Thailand |
| Engine Family/Series | Portable Series |
| Engine Type | OHV 2-Valve, 1-Cylinder 4-Stroke |
| Displacement | 0.13 Liters (138 cc) |
| Horsepower | 6 HP (4.4 kW) |
| Full Throttle RPM Range | 4750 - 5750 RPM |
| Fuel Induction System | Carburetor |
| Alternator Output | Optional 12V 6A |
| Gear Ratio | 1.92:1 |
| Shaft Length | S: 381 mm (15 in) |
| Dry Weight | 24 kg (53 lbs) |
| Bore x Stroke | 62 x 46 mm |
| Starting & Steering System | Manual Recoil & Tiller Handle (180° Steering) |
| Trim/Tilt Method | Manual Tilt |
| Oil Capacity | 0.7 Liters |
| Recommended Fuel | 87 Octane |
| Standard Warranty | 3-Year Limited Warranty |
| Application | Inflatables, Small Tenders, 8-10ft Dinghies |












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