I have one of those, or its twin brother, and I'm afraid the answer is "Not very well". The JST's have a funky double crimp area and it doesn't get along with that crimper, or any of the additional dies for the crimper I bought for Powerpole connectors.
JST's crimper, unfortunately, is about $400.
A wholly owned subsidiary of:
Persephone: DL R+W+B C 7 X L W C++ I++ T+ A E H++ S+ V-- F+ Q P B PA+ PL
Aldebaran: DM Rt H 5 Y L- W+ C+ I++ T++ A+++ E H++ S+ V+ F++ Q+ P B++ PA- PL--