Hi
Please detach your original windshield and try to install new windshield.
Installation instructions
1.Remove your original windshield.
2.Put screw at upper left side and lower left but you can not put a screw tight in first step. Please put a screws for will be enough to hold it.
3.Put screw at upper right side and lower right, Don't worry if right side mismatch 100%. Acrylic can elastic.
4.Tighten all screws firmly.
This is not the first time I met this problem.
If you follow the instructions to install it, it will be success.
Best Regards
Thanachard R.