HI I have a 1985 Bayliner Ciera sunbridge,with the 140 hp. 4 cyl. volvo. I need the engine specs.When idling,without a load I can rev the rpms all the way.But when it is under load I can only get 10000 rpms.I can't even get on plane.I don't understand why.I hope someone can help me.
DBP
DBP