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Old 10 April 2012, 17:33   #1
Country: UK - England
Boat name: breathless
Make: bayliner
Length: 4m +
Engine: 91 force 70hp
Join Date: Oct 2011
Posts: 186
prop compatability

hi can someone tell me what sort of difference i would get and also is this prop compatible
original prop on my mariner 2001 50hp , 10-3/8" x 13p 73136A40P13.

acquired prop (ebay) for Mercury blueband 50hp, 48.73138 A40L 14P,
both props are 13 spline


arkamelis is offline   Reply With Quote
Old 11 April 2012, 08:30   #2
Country: UK - Scotland
Boat name: Wildheart
Make: Humber/Delta Seasafe
Length: 5m +
Engine: Merc 60 Clamshell
MMSI: 235068449
Join Date: Apr 2007
Posts: 4,538

I should warn you I am going from memory here, but here goes.....

Mariner could be either a Merc or a Yam respray. The blueband props had two "nodules" on the back face that engage in a 4 tab lock washer - two opposing tabs had a slot that "hug" the nodules, the other two are bent up round the nut.

Yam used the split pin / castellated nut opton, so had a plain plane face on the back of the prop..

Assuming both your props have the nodules on the back of the hub, it should be a straight swap (although sanity check the clearance at the gearbox / prop interface is the same) If your original prop doesn't have nodules and it's a split pin on the nut job you may need to do some modification, or use your old tab washer as a spacer.

Worst case I think someone was looking for a 13" old Merc prop in the "prop swap" sticky thread?
9D280 is offline   Reply With Quote

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