Pro Shark water pump

[gocroom]

I have an 08 pro shark lx 90 just rebuilt the water pump for the 2nd time,I also installed a fan & T-stat.now at an idle to about 1800 rpms I getting temp of 167/170 at head /235 exhaust/200(fan set to kick at about 212] at rad .Temps taken with an irfared thermometer,is that normal?

I am running a 40 to 1 mix will it get cooler if i run 50 to one gas mix

Also I just installed a kelin 20mm carb running a 115 jet.