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View Full Version : Mariner 4HP - Carby adjustment?



Jack1991
15-05-2015, 08:51 PM
Hey guys I've recently acquired an old-ish Mariner 4 HP (2 stroke) made in japan.

I got her running and all but it seems to not be getting 100% throttle. When going flat out it feels like the motor could do more but it's being held back.

Is there a fuel/air mixture screw or anything I can adjust to make sure I'm getting maximum bang??

The choke used to rattle on and that would have a similar effect but I focmxed the choke lever with a spring and it still seems a little held back.


Any help would be great!!!