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Old 14 September 2012, 17:26   #1
Country: UK - England
Length: 4m +
Join Date: Sep 2012
Posts: 3
Mercury 15hp 2 stroke

Hi All

This might be a stupid question but having never owned a 2 stroke outboard before I thought I best ask.

I have bought a 1999 15hp mercury 2 stroke engine and waiting for it to be delivered. In the mean time is there any preference on the type of oil that is used with it, and will I have to mix it with the fuel?

tincan is offline   Reply With Quote
Old 14 September 2012, 17:46   #2
Country: UK - England
Town: East Anglia
Boat name: Nimrod II
Make: Aerotec 380
Length: 3m +
Engine: Suzuki DF20 EFI
Join Date: Nov 2007
Posts: 2,482
I have a 2001 Mariner 15 which is the same motor. I really like them.

Yes you do have to mix the oil in the remote tank with the fuel. Mine can run at 100:1 but they say 50:1 for commercial use... so I run at 75:1.

I use Quicksilver oil but any quality marine 2-stroke oil is fine.

Fenlander is offline   Reply With Quote
Old 15 September 2012, 04:08   #3
Country: UK - England
Town: Looe
Make: Delta
Length: 4m +
Engine: Mercury
Join Date: Apr 2004
Posts: 1,332
Make sure the oil spec is TCW-3 (Two Cycle Watercooled)
Black Dog Marine
Turbodiesel is offline   Reply With Quote

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