EasyManuals Logo
Home>Mercury>Outboard Motor>225 OptiMax

Mercury 225 OptiMax Owner's Manual

Mercury 225 OptiMax
83 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #71 background imageLoading...
Page #71 background image
MAINTENANCE
65
Spark Plug Inspection And Replacement
!
WARNING
Avoid serious injury or death from fire or explosion caused by damaged spark plug boots. Damaged spark plug
boots can emit sparks. Sparks can ignite fuel vapors under the engine cowl. To avoid damaging spark plug
boots, do not use any sharp object or metal tool such as pliers, screwdriver, etc. to remove spark plug boots.
1. Remove the spark plug leads. Twist the rubber boots slightly and pull off.
ob00375
2. Remove the spark plugs to inspect. Replace spark plug if electrode is worn or the insulator is rough, cracked,
broken, blistered or fouled.
ob00423
3. Set the spark plug gap to specification.
ob00424
Spark Plug
Spark plug gap 0.80 mm (0.031 in.)
4. Before installing spark plugs, clean off any dirt on the spark plug seats. Install plugs finger tight, and then
tighten 1/4 turn or torque to specifications.
Description Nm lb. in. lb. ft.
Spark plug 27 20
Compressor Air Intake Filter
The filter should be changed every 100 hours of operation, or once a season.
IMPORTANT: Never run the engine without the air filter.
REMOVAL
1. Remove the hose clamp and pull the hose off the air filter.

Table of Contents

Other manuals for Mercury 225 OptiMax

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Mercury 225 OptiMax and is the answer not in the manual?

Mercury 225 OptiMax Specifications

General IconGeneral
BrandMercury
Model225 OptiMax
CategoryOutboard Motor
LanguageEnglish

Related product manuals