Koehler gen 7.5k

[compromise]

Can anybody help I have a kohl ear 7.5 k 2007 starts runs but I get a sheen looks like gas and smells rich. Have new plugs and filter. Any way to adjust EFI. Any help

 

[boatcomfort]

2007 probably is 7.3 ECD you may have to change the fuel injector and check the flame arrestor make sure is clean.