Mercruiser 120 HP with Rochester 2GC Carb.

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boydjan

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Aug 21, 2007
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Just bought this used 1968 Mercruiser Bayliner. It idles nicely. When the prop is not engage I can throttle the engine to +3000 RPM. However when engaging the drive at idle the prop turns forward (and reverse) but when attempting to increase the RPM past idle the engine stalls. Quits. Any help and/or solutions?
 
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jaxnjil

jaxnjil

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Aug 3, 2007
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1,368
Re: Mercruiser 120 HP with Rochester 2GC Carb.

might have better luck getting an answer in motor section.just a guess but check and make sure all the screws on carb the top and 4 under + mounting nuts are snug.NOT IDLE ADJUST SCREWS.
can you trun prop over by hand with motor off and shifter in neutral
 
SpinnerBait_Nut

SpinnerBait_Nut

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17,651
Re: Mercruiser 120 HP with Rochester 2GC Carb.

Mercruiser/Volvo/OMC, I/O and Inboard troubles and repair forum.
 
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