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Old 08 September 2007, 11:23   #1
Country: UK - England
Boat name: Humma
Make: Humber Destoyer 5.5
Length: 5m +
Engine: Out b 75 hp Marriner
MMSI: 235068231
Join Date: Sep 2005
Posts: 210
History of Yamaha engines

Looking for history of Yamaha engines namely 40 hp, can anyone tell me if the auto lube around mid 1980s was introduced along side the 3cylinder pre mix, was it a new development or just an option. Did it totally replace the pre mix, which is the better buy?
Thanks Stuart

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Old 08 September 2007, 23:13   #2
Country: UK - England
Town: Scillies
Boat name: Freedom
Make: Searider
Length: 5m +
Engine: Yam 2st 90
Join Date: Jan 2007
Posts: 335
Can't answer all your questions but autolube vs premix:

Autolube will usually use a LOT less oil than premixing.

I have a 91 2 st autolube and I use less oil than I did with my previous 60 that was premix.

walruz is offline   Reply With Quote

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