16
SERVICE SPECIFICATIONS AND SPECIAL TOOLS
TECHNICAL DATA
TECHNICAL DATA
ENGINE
HP 2.5
Full Throttle
Operating Range RPM
5250-5750
Power 2.5 HP (1.8 kw) @ 5500 RPM
Idle RPM in Gear 1800 to 2000
Weight 30.1 lbs. (14 kg)
Lubrication
Evinrude/Johnson Ultra 4-Stroke outboard oil
Refer to Oil Requirements on p. 32.
Engine Type 4-Stroke OHV 1-cylinder
Displacement
4.2 cu. in. (68 cm
3
)
Bore 1.89 in. (48 mm)
Stroke 1.50 in. (38 mm)
Compression ratio 9.0:1
FUEL SYSTEM
Carburetion One single-throat carburetor, float feed
Main Jet #70
Pilot Jet #32
Starting Enrichment Manual
Float Level Setting 10 ± 2 mm
Preferred Fuel Regular unleaded, plus grade unleaded, premium unleaded gasolines
Acceptable Fuel Any of the above gasolines with 10% Ethanol or 5% Methanol with 5% co-solvents
Minimum Octane 87 AKI (R+M)/2 or 90 RON
Additives
2+4
®
Fuel Conditioner, Fuel System Cleaner, Carbon Guard
Use only Evinrude/Johnson recommended fuel additives.
The use of other additives may result in engine damage.
See Fuel Requirements on p. 31 for additional information.
To Next Page