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Maiasam 26-11-2009 03:53

Yanmar YSB Electric Fuel Pump
I have a Yanmar YSB 12 diesel engine, which is fitted with what appears to be an electric fuel lift pump. They manual I have shows a mechanical unit.

Can anyone shed any light on this for me.

David (Maiasam)

Chief Engineer 27-11-2009 18:09

The mechanical fuel pump probably gave up the ghost in a past life...and the previous owner was too cheap to buy a new one and fix it correctly

skid 22-07-2011 13:20

Re: Yanmar YSB Electric Fuel Pump
ok l have the same problem,can anyone tell me where l can buy a new fuel punp for a yse8 as l am told its not available so why not fit a 12 volt lift pump?

phantomracer 22-07-2011 18:07

Re: Yanmar YSB Electric Fuel Pump
Have a 12v electric lift pump on my yanmar 3gm30f even though the factory one works well. Was installed by the previous owner/installer.

Works quite well. Awesome when time comes to bleed the system

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