I'm looking for some serious help with my engine. It runs pretty rough/misses/surges when at low speed such as at idle and under 2000rpms. The VRo has been replaced and it is been a premix motor for years based on the previous owner info.
I have changed the spark plugs and wires with some improvement.
I really need some help with carb adjustments, however I do not see or know which is the slow speed ilde mixture screws???
Also, I;ve heard I can clean some small orfices on the throttle bodies but can not find the info I need on how to do this either.
Its on a 91 Donzi WA F-23 so it does not have the typical engine lights that came with the new 1996 boats that were rigged with this engine.
Also, how do I know if the overheat sensor and horns are working? What should the head temps be at idle? and at WOT? The temp gauge does not currently work but I have a IR temp gun to check with.
Thanks
I have changed the spark plugs and wires with some improvement.
I really need some help with carb adjustments, however I do not see or know which is the slow speed ilde mixture screws???
Also, I;ve heard I can clean some small orfices on the throttle bodies but can not find the info I need on how to do this either.
Its on a 91 Donzi WA F-23 so it does not have the typical engine lights that came with the new 1996 boats that were rigged with this engine.
Also, how do I know if the overheat sensor and horns are working? What should the head temps be at idle? and at WOT? The temp gauge does not currently work but I have a IR temp gun to check with.
Thanks