1971 Trident

Hi all ...Thinking about buying at a 1971 Trident T150 with 10.500 miles been inside garage for five years... will not start needs carb work etc, so its a non runner? it has Texas expired tags...owner wants 3,500....could it be a problem getting it registered here in California...and i know these bikes could cost $$ for parts etc.. i can do my own repairs, i was thinkin 3k what do you guys think....its all stock un molested.....

One sold this year on Hemmings 3k running

well whats the saying...u snooze u loose.....it sold today for asking price