1st step are your battery, and starter solenoid any good (I know, but you did not mention that step, so I threw it in).
2nd step is do you have good gasoline, not 2 years old (see previous comment).
3rd step is check safety switches. Squeeze the clutch, and raise the kick stand. Then try to...
Listen to RYU. You are getting a HORRIBLE DEAL!! I know you just want to get a ride and are jumping on the first deal you see, but there is a working version out there for that price. Look longer. Annoying I know, but you will get a better deal I am sure. You are assuming that the engine is...