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If you have a blueband Mercury 4hp engine,remove the bottom section of the leg (just above the prop) you will find x2 11mm nuts.
Undo both and pull apart,you should find that the gear rod and drive shaft come out of a black piece of plastic housing.
Undo the x2 (8mm) retaining nuts and remove the housing.
Inside you will find the impeller (6 bladed rubber spider) £17.56 from any mercury dealer or £8.00 online..
Hope this helps
What else can I help you with?
What is the point gap on a 1974 mercury 4HP outboard?
0.020 in.
How old is a 4hp Mercury outboard with serial number 3938458?
To find out how old a 4HP Mercury outboard is, you can look at the label on the transom bracket, where you will see a two digit number giving you the year it was built.
What is the fuel mixture 4 hp mercury outboard?
A 4hp Mercury outboard requires a 50:1 fuel to 2 cycle oil mix.
How old Johnson 4hp outboard motor model bj4brcud?
Johnson 4hp outboard bj4brcud
What is the proper Spark plug for mercury 4HP outboard?
Mine is a 2000 model and it has an NGK R BPR7HS10
What year is a mercury 4hp serial number5591101?
The serial number 5591101 on a Mercury 4hp outboard motor indicates that it was manufactured in 1982. Mercury outboard motors typically have a serial number system that correlates to specific production years, and this number falls within the range for that year. For precise identification, you can also check the manufacturer's resources or consult a Mercury dealer.
What is the point gap setting for a mercury outboard 1970 4 hp?
The points gap on a Merc 40 4hp is .020
What year is a mercury outboard with serial number 9252733?
You may have mistaken the '1' for a '2'..if your engine is a 4hp 2 cylinder it dates from 1978.
What is the fuel oil mixture for 4hp 1998 mercury?
A 1998 model 4hp Merc outboard runs on a 50:1 fuel to oil ratio. This works out to roughly one pint of 2cycle oil to six gallons of fuel.
What is the weight of a 1975 4hp Johnson outboard motor?
Jew
What is the model year of a Johnson 4hp outboard serial C593543 Model 4W69B?
1969
How old is a Johnson 4hp outboard motor serial no A59634 Model no 4w69B?
1969.
