bike struggle to start.when she is runnning on full throttle stays on 2000rpm.when in first gear some times rpm picks up or just dies.please need help.thanks!;)
i would say the carb slides are not opening,they are on a spring and diaphragm system take the air box off and put you finger into the back off one the carbs one at a time and see if you can push the slides upwards and see if they come down slowish too after you have pushed them up.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix motorcycles.