I have dual Mariner 200 offshore (1994) motors on a large Robalo. The boat sat up several years before I got it. I have everything working except the alarm system. Both motors of course have separate wiring harnesses with independent alarm modules mounted next to the ignition key. When I turn...
1987 DT175 rebuilt powerhead. Unable to get more than 2500 rpms while on muffs. I checked most of the electronic parts per my clymer book but I do not have a peak volt meter. Any suggestions would be appriciated<br /><br />Skidplate
Seems to be running on 2 to 4 cylinders. I have checked compression (110 all) cleaned carbs and using fresh gas/oil. I tested for spark by grounding each ( new ) plug and all are firing although they do seem weak. What is the next logical step in troubleshooting ?
