1998+ Mercury Mariner 25HP Bigfoot Service Manual, Page 309Get this manual

POWER TRIM
Hydraulic System Troubleshooting Flow Chart
OUTBOARD WILL NOT HOLD TILTED POSITION DURING REVERSE ANDOR TRAILS OUT DURING HIGH SPEED DECELERATION

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives