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Old 13 June 2005, 12:06   #1
Country: Other
Town: san salvador
Boat name: african queen
Make: mako inflatbles
Length: 5m +
Engine: OB,90HP
Join Date: Apr 2005
Posts: 3
90 HP 4-Stk. RPM Problem

I have a 90 HP 4-Stk Mariner, 3 years old. A few weeks ago, after installing a Hydrofoil and a Racor Filter I been having RPM Problems, the engine would only reach 3000 and vibrate a lot. I have removed the Hydrolfoil and Change the Sparkplugs, no change.Any Ideas?

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Old 13 June 2005, 18:27   #2
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Country: UK - England
Town: Fareham
Length: 6m +
Join Date: Sep 2003
Posts: 7,829
What's a "Racor Filter"??

Is the alarm sounding?

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Old 14 June 2005, 14:45   #3
Country: Ireland
Town: Dublin
Boat name: wizzard
Length: 7m +
Engine: 225 optimax
Join Date: Sep 2002
Posts: 835
Is the filter too small ie. it is empting quicker than it fills, starving your motor of fuel

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