2008 Evinrude E-TEC 55MFE Technical Manual, Page 221Get this manual
MIDSECTION EXHAUST HOUSING SERVICE
EXHAUST HOUSING SERVICE
The exhaust housing contains no serviceable internal partsThe exhaust relief muffler can be serviced without removing the exhaust housing
Exhaust Housing Removal
Before removing the midsection: Remove the gearcaseRefer to Gearcase GEARCASE REMOVAL AND INSTALLATION on p242 Remove the powerheadRefer to POWERHEAD REMOVAL on p186Remove the three lower mount cover screws