200 lbs would be a low weight for someone who was 6' 6" tall with a very muscular build!
I'm 6'5" & last year was down to 15stone (210 lbs) & many folk commented that I looked ill
Felt good on the bike, but they were probably right. Put half stone on over Christmas & another half stone through this year & I might look better but I certainly feel the difference on the bike
NHS weight charts show I should be no more than 14.5 stone though, how ill would I look then?
My advice would be don't get too bogged down with your weight, if you want to change shape eat less & cycle more or vice versa