without identifying the engine in question, all you get is a best guess...
no power and popping suggest a lean condition...check fuel pressure
https://maxrules.com/models/Merc_model_files/15-25.php
The above link should help you out
Totally agree. I'm going to just leave float levels alone and hope the needle valve springs keep my float correct.
Bob in Tennessee Today, 10:35 AMDoes the motor have the copper / bronze decals ?----Canada is fairly big I heard.----Takes me 24 Hrs driving to get out of Ontario if heading west.----If
racerone Today, 10:31 AM
Re: Engine pops and no power under load
Sorry about that
Vancan Today, 11:35 AMThe engine is a VOLVO PENTA 5.0 GXI
2007