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Old 10 August 2015, 05:44   #1
Country: Ireland
Town: Donegal Bay
Make: ribtec
Length: 6m +
Engine: outboard 200hp
Join Date: Jul 2015
Posts: 55

I am changing engines on my rib and Have a question. My last engine (yamaha 200 2 stroke) was a premix set-up which i actually found convenient. I have quite large fuel tanks on the boat and it was simple to put in 50 litres of fuel and 1 litre of oil. I was always confident that if the engine got petrol it also got oil. This latest engine (yamaha 175 2 stroke) is auto-lube so I would have to install an oil tank and route cables and a pipeline between the 2. I have been told that it is an easy option to disconnect the auto-lube system and continue as I was. What do the masses think?

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Old 10 August 2015, 08:15   #2
Country: UK - England
Town: Southampton
Make: Ballistic
Length: 7m +
Engine: Yam 225
Join Date: Jun 2010
Posts: 1,003
dunno technically, my 90 yam had an autolube, it was been removed before i got it, and now runs pre mix, works fine and has done for the 5 years i've had it.

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Old 19 August 2015, 17:44   #3
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Country: UK - England
Town: London
Make: Ribcraft
Length: 8m +
Engine: 250hp
Join Date: Jan 2011
Posts: 196
Yes - have done it and it works perfectly. The only reason we did this was because the engine was in such inconvenient place (on a sail boat) so removing the outboard cowling wasn't easy...

advice is to give to a mechanic (motorcycle mechanics do this job very often) as you need to adjust the pilot jets etc. after this process..
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