Well, if your choke is broken, then you gotta fix that. Thats one of the most important thing son the carb.

If the mixture needle is visibly damaged, it probably isn't doing its job correctly - I would replace it.

Fix the choke, that'l make a HUGE difference. <img src="/forums/images/graemlins/cheers.gif" alt="" /> <img src="/forums/images/graemlins/cheers.gif" alt="" />

http://www.scerbfab.com/carb_faq.html