Suzuki DF60AV Specifications
| Engine Model: Suzuki DF60AV |
| Engine Type: 4-stroke 3-cylinder DOHC gasoline outboard engine |
| Total Displacement: 57.4 cu.in (941 cc) |
| Rated Engine Power: 60 Hp (44.2 kW) at 6300 rpm |
| Fuel System: Multi-point sequential electronic fuel injection |
____________________________________________________________________________________
The Suzuki DF60AV is a technologically
sophisticated outboard that distinguishes itself through its "High
Energy Rotation" system. It shares the same 941cc, three-cylinder, Dual
Overhead Camshaft (DOHC) powerhead as the standard DF60A but pairs it
with a heavy-duty lower unit originally based on the DF140A's design.
This lower unit features a larger 2.42:1 gear ratio, enabling it to turn
a bigger 14-inch propeller.
This configuration delivers a 42% increase in forward thrust and a
remarkable 136% increase in reverse thrust compared to a standard
outboard, providing the propulsion needed for moving heavy boats. Its
engineering focus is clearly on mechanical efficiency and fuel economy,
highlighted by the integration of Suzuki's Lean Burn Control System and
a maintenance-free timing chain.
Users benefit from the Easy Start System for effortless ignition and a
robust 19-amp alternator that provides ample power for electronics even
at low engine speeds. The DF60AV is engineered for durability,
incorporating a multi-layer anti-corrosion finish to withstand harsh
marine environments, making it a reliable and powerful powerplant for
heavy-displacement vessels.
Engine Model: Suzuki DF60AV, DF60AVTH (Tiller model)
Engine Type: 4-stroke, three-cylinder, DOHC gasoline outboard engine
Number of Cylinders: 3
Valves: 12 (4 per cylinder)
Displacement: 57.4 cu in (941 cc)
Cylinder Bore: 2.85 in (72.5 mm)
Piston Stroke: 2.99 in (76.0 mm)
Maximum Engine Power: 60.0 hp (44.1 kW)
Maximum Engine Speed: 5300-6300 rpm
Idle Speed: Data unavailable; specified by manufacturer service manual.
Compression Ratio: 9.7:1
Lubrication System: Wet sump with trochoid pump
Exhaust System: Through propeller hub
Cooling System: Water-cooled with thermostat
Ignition System: Fully-transistorized
Starting System: Electric starter
Electrical System Rating: 12 Volts
Charging System: Alternator
Alternator Rating: 19 A (approx. 11.5A at 1,000 rpm)
Cylinder Bore Inside Diameter: 2.8543-2.8551 in (72.500-72.520 mm)
Cylinder Bore (Maximum Out of Round): 0.002 in (0.050 mm)
Crank Pin Outside Diameter: 1.4954-1.4961 in (37.982-38.000 mm)
Crank Pin Width: 0.7913-0.7953 in (20.100-20.200 mm)
Crankshaft Thrust Play: 0.004-0.012 in (0.11-0.31 mm)
Crankshaft Journal Outside Diameter: 1.7709-1.7717 in (44.982-45.000 mm)
Crankshaft Journal Oil Clearance: 0.0006-0.0013 in (0.014-0.034 mm)
Connecting Rod Inside Diameter (Big End): 1.6142-1.6149 in
(41.000-41.018 mm)
Connecting Rod Oil Clearance (Big End): 0.0012-0.0019 in (0.031-0.049
mm)
Connecting Rod Side Clearance (Big End): 0.0039-0.0098 in (0.100-0.250
mm)
Connecting Rod Width (Big End): 0.7854-0.7874 in (19.950-20.000 mm)
Connecting Rod Inside Diameter (Small End): 0.7088-0.7092 in
(18.003-18.013 mm)
Piston Skirt Diameter: 2.8531-2.8539 in (72.470-72.490 mm)
Piston to Cylinder Clearance: 0.0008-0.0016 in (0.020-0.040 mm)
Piston Pin Outside Diameter: 0.7085-0.7087 in (17.995-18.000 mm)
Piston Pin Bore Inside Diameter: 0.7089-0.7092 in (18.006-18.014 mm)
Piston to Piston Pin Clearance: 0.0002-0.0007 in (0.006-0.019 mm)
Top Ring Width: 0.040-0.041 in (1.02-1.04 mm)
Second Ring Width: 0.048-0.049 in (1.21-1.23 mm)
Oil Ring Width: 0.079-0.080 in (2.01-2.03 mm)
Top Ring End Gap: 0.0059-0.0118 in (0.15-0.30 mm)
Second Ring End Gap: 0.0118-0.0177 in (0.30-0.45 mm)
Top Ring Side Clearance: 0.0012-0.0028 in (0.030-0.070 mm)
Second Ring Side Clearance: 0.0008-0.0024 in (0.02-0.06 mm)
Cylinder Head Warp Limit: 0.002 in (0.050 mm)
Valve Head Diameter (Intake): 1.05 in (26.6 mm)
Valve Head Diameter (Exhaust): 0.85 in (21.5 mm)
Valve Head Thickness (Intake): 0.040 in (1.00 mm)
Valve Head Thickness (Exhaust): 0.045 in (1.15 mm)
Valve Stem Outside Diameter (Intake): 0.2152-0.2157 in (5.465-5.480 mm)
Valve Stem Outside Diameter (Exhaust): 0.2142-0.2148 in (5.440-5.455 mm)
Valve Guide Inside Diameter (Intake): 0.2165-0.2170 in (5.500-5.512 mm)
Valve Guide Inside Diameter (Exhaust): 0.2165-0.2170 in (5.500-5.512 mm)
Valve Stem to Guide Clearance (Intake): 0.0008-0.0019 in (0.020-0.047
mm)
Valve Stem to Guide Clearance (Exhaust): 0.0018-0.0028 in (0.045-0.072
mm)
Valve Seat Width (Intake): 0.043-0.051 in (1.1-1.3 mm)
Valve Seat Width (Exhaust): 0.043-0.051 in (1.1-1.3 mm)
Valve Spring Free Length: 1.30 in (33.10 mm)
Cam Height (Intake): 1.5039-1.5102 in (38.200-38.360 mm)
Cam Height (Exhaust): 1.4858-1.4921 in (37.740-37.900 mm)
Camshaft Journal Outside Diameter: 0.9029-0.9037 in (22.934-22.955 mm)
Camshaft Journal Inside Diameter: 0.9055-0.9063 in (23.000-23.021 mm)
Camshaft Journal Oil Clearance: 0.0018-0.0034 in (0.045-0.087 mm)
Fuel System Type: Multi-point sequential electronic fuel injection
Fuel Pump Type: Integral, low-pressure
Fuel Type: Unleaded gasoline, 87 octane (RON 91) minimum
Lean Burn Control: Suzuki Lean Burn Control System for optimized fuel
economy at cruising speeds
Fuel Tank Capacity: 6.6 gal (25.0 L) (optional)
System Type: Wet sump, forced lubrication by trochoid pump
Engine Oil Type: SAE 10W-30 or 10W-40, 4-stroke outboard oil
API Service Classification: SG, SH, SJ, SL, or SM
Engine Oil Capacity: 2.85 qts (2.70 L)
Oil Filter: Cartridge type, replaced at specified intervals
System Type: Thermostatically controlled, water-cooled, forced
circulation
Water Pump: Driven by driveshaft, with rubber impeller
Thermostat: Regulates engine operating temperature
Dual Water Inlets: Helps prevent overheating from debris blockage
Flushing System: Fresh water flushing system incorporated for
maintenance
| Mid Section and Lower Unit |
Mid Section: Integral driveshaft housing with engine mount system
Engine Mounting: Shear mount for vibration dampening
Steering System (DF60AV): Remote control
Steering System (DF60AVTH): Tiller handle
Gear Housing Type: Heavy-duty bevel gear reduction
Reversing System: Gear type with forward-neutral-reverse (F-N-R)
Gear Ratio: 2.42:1 (High Energy Rotation)
Reduction System: Bevel gear
Gearcase Capacity: 1.10 qts (1.05 L)
Gear Lubricant Type: Suzuki Outboard Motor Gear Oil or API GL-5 SAE 90
Trim System: Power Trim and Tilt
Trim Angle Range: 0 to 22 degrees
Maximum Tilt Angle: 75 degrees
Tilt Limit System: Adjustable limiter prevents excessive tilting,
protecting boat and motor from damage
System Type: Hydraulic, electrically actuated
Propeller Types: 3-blade, aluminum
Propeller Diameter: 13.75 in (349 mm) or 14.0 in (355 mm)
Propeller Pitch Range: 9 in (228 mm) to 17 in (432 mm)
Material: High-strength aluminum alloy
Configuration (DF60AV): Remote Steering
Configuration (DF60AVTH): Tiller Handle
Overall Height (Long Shaft model): 54.6 in (1385.0 mm) estimated
Overall Height (Extra Long Shaft model): 59.6 in (1515.0 mm) estimated
Transom Height (Long Shaft): 20 in (508 mm)
Transom Height (Extra Long Shaft): 25 in (635 mm)
Outboard Weight (DF60AV, Long Shaft): 251.0 - 253.0 lbs (114.0 - 115.0
kg)
Outboard Weight (DF60AV, Extra Long Shaft): 258.0 lbs (117.0 kg)
Outboard Weight (DF60AVTH, Long Shaft): 265.0 lbs (120.0 kg)
Outboard Weight (DF60AVTH, Extra Long Shaft): 271.0 lbs (123.0 kg)
Engine Fuel: Unleaded gasoline, 87 octane (RON 91) minimum
Engine Oil: SAE 10W-30 or 10W-40, API SG/SH/SJ/SL/SM
Engine Oil Capacity: 2.85 qts (2.70 L)
Gear Lubricant: GL-5 SAE 90
Gearcase Capacity: 1.10 qts (1.05 L)
Ignition Timing: 2-25 degrees BTDC
Spark Plug Type: NGK DCPR6E (resistor type)
Spark Plug Gap: 0.031-0.035 in (0.8-0.9 mm)
Valve Lash (Intake): 0.007-0.009 in (0.18-0.22 mm) (cold)
Valve Lash (Exhaust): 0.011-0.013 in (0.28-0.32 mm) (cold)
Every 100 Hours: Check battery,
change engine oil and gear oil, check spark plug, check breather and
fuel line, check low-pressure fuel filter, check anodes, check
thermostat, check propeller nut and pin.
Every 200 Hours: Replace oil filter,
check and adjust valve lash, check timing chain condition, check idle
speed, inspect water pump and impeller.
Every 300 Hours: Replace spark
plugs, replace water pump impeller.
Every 400 Hours: Replace
low-pressure fuel filter.
Cylinder Head Cover Bolt: 8.2 lb-ft (11 Nm)
Cylinder Head Bolt: 42.7 lb-ft (59 Nm)
Crankcase Bolt (Inside): 33.5 lb-ft (46 Nm)
Crankcase Bolt (Outside): 18.0 lb-ft (25 Nm)
Connecting Rod Cap Bolt: 11.0 lb-ft (15 Nm)
Flywheel Nut: 120.0 lb-ft (166 Nm)
Camshaft Housing Bolt: 8.2 lb-ft (11 Nm)
Fuel Delivery Pipe Bolt: 8.2 lb-ft (11 Nm)
Low Pressure Fuel Pump Bolt: 8.0 lb-ft (11 Nm)
Intake Manifold Bolt/Nut: 16.5 lb-ft (23 Nm)
Oil Pressure Switch: 9.5 lb-ft (13 Nm)
Timing Chain Guide Bolt: 8.2 lb-ft (11 Nm)
Starter Motor Mounting Bolt: 16.5 lb-ft (23 Nm)
Oil Pump Bolt: 8.2 lb-ft (11 Nm)
Engine Oil Filter: 10.5 lb-ft (14 Nm)
Water Pump Case Nut: 5.8 lb-ft (8 Nm)
Power Unit Mounting Bolt: 36.0 lb-ft (50 Nm)
Driveshaft Housing Bolt: 36.0 lb-ft (50 Nm)
Propeller Nut: 40.0 lb-ft (55 Nm)
Gearcase Bolt: 23.0 lb-ft (16.5 Nm)
Tiller Handle Bolt: 27.0 lb-ft (37 Nm) (for tiller models)
Spark Plug: 7.5-9.0 lb-ft (10-12 Nm)
The Suzuki DF60AV is a specialized high-thrust outboard designed for
heavier vessels that require exceptional low-end power and precise
maneuverability. Its 42% increase in forward thrust and 136% increase in
reverse thrust make it ideally suited for powering pontoon boats,
houseboats, and large workboats where moving a heavy load is a primary
requirement.
The large 14-inch propeller and 2.42:1 gear ratio provide superior
low-speed handling, quicker hole shots, and ample power to maneuver in
close quarters, even with a heavy load. This configuration is also
beneficial for commercial applications such as patrol boats, fishing
vessels, and tender boats where thrust and durability are prioritized
over top-end speed. The availability of both remote (DF60AV) and tiller
(DF60AVTH) steering models further broadens its adaptability, from
complex multi-engine setups to simpler, single-operator craft.
____________________________________________________________________________________
| Outboard Engines Technical Specifications |
| Small Engines Technical Specifications |
| Car Engines Technical Specifications |
| Industrial Engines Technical Specifications |
