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I have a Honda Pioneer 1000P3 with the Honda OEM glass windshield, hard back, hard top and hard doors, hinged along back edge. I too had a 1/4" gap along the front roll bar. You can nearly eliminate the gap by loosening the hinge point screws and adjusting the latch position in front. It takes some back and forth and helps to have someone helping lift the door while the hinge screws are tightened. Be patient, again, it takes a lot of trial and error.I have the Honda hard doors too. I have a 1/4" gap along the front of the door and roll bar. When it is eating hard, a lot of water comes in. Have you had a similar problem?