Mercury 25 Jet FourStroke - Top Cowl Removal and Installation; Worn;Dull Impeller

• Check the remote control cable adjustment, if equipped—dealer item
• Replace the high‑pressure fuel filter, if equipped—dealer item
• Replace the accessory drive belt, if equipped—dealer item
• Check the power trim fluid level, if equipped—dealer item
• Inspect the engine motor mounts—dealer item
Top Cowl Removal and Installation
REMOVAL
1. Unlock the rear latch by pulling lever up.
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2. Lift rear of cowl and disengage front hook.
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INSTALLATION
1. Lower the top cowl over the engine. Bring the front of the cowl down first
and engage the front hook, then lower the cowl into its seated position
with the bottom cowl.
2. Apply some downward pressure on the bottom cowl and then lock the
cowl in place by pushing in the cowl latch. Ensure the top cowl is securely
fastened by pulling up on the back of the cowl.
Worn/Dull Impeller
The intake of gravel through the pump can round off and wear the leading
edges of the impeller. Some conditions that could be experienced from a worn/
dull impeller are as follows:
• Noticeable performance loss, especially on acceleration
MAINTENANCE
54 eng