C crow1500 New Member Jun 8, 2018 #1 I have a 94 seadoo sp 600 been sitting for several years put a battery in it and it backfires when revving the engine any help is appreciated
I have a 94 seadoo sp 600 been sitting for several years put a battery in it and it backfires when revving the engine any help is appreciated
mikidymac Moderator Staff member Moderator Jun 8, 2018 #2 It could be lean or also flooded. You shouldn't be running it wide open on the trailer also. Any ski that has been sitting should have the fuel system overhauled and the carbs rebuilt with only Genuine Mikuni parts.
It could be lean or also flooded. You shouldn't be running it wide open on the trailer also. Any ski that has been sitting should have the fuel system overhauled and the carbs rebuilt with only Genuine Mikuni parts.
