Mercury 25 Jet 4-Stroke User Manual

ENGINE INSTALLATION
103
BOATS WITH A FLAT BOTTOM HULL
1. Place (center) the outboard on the boat transom. Set the
height of the outboard on the boat transom so that the front
edge of the water intake housing is in line with the bottom of
the boat as shown. Temporarily clamp the outboard to the
transom at this position.
2. Fasten outboard to the transom at this height. Refer to
Fastening the Outboard.
22403
Fastening the Outboard
1. Drill four 13.5 mm (17/32 in.) mounting holes.
2. Install the outboard so that the water intake housing is set at
the correct height. Refer to Determining Outboard Mounting
Height.
3. Apply marine sealer to shanks of bolts. Do not apply marine
sealer to the threads of the bolts.
4. Fasten the outboard with provided mounting hardware shown.
Tighten mounting hardware securely.

Mercury 25 Jet 4-Stroke Specifications

General

Horsepower	25 HP
Engine Type	4-Stroke
Full Throttle RPM Range	5000-6000 RPM
Fuel Induction System	Electronic Fuel Injection (EFI)
Shaft Length	15" / 20"
Gear Ratio	2.08:1
Recommended Fuel	87 octane / up to 10% ethanol
Starting	Electric
Weight	71 kg / 157 lbs (Lightest Model Available)
Steering	Tiller
WOT RPM	5000-6000 RPM