Stalls easily off the line

My 01' yz125 seems to be requiring a large amount of throttle to get off the line. I've ridden plenty of properly jetted 125's and none required quite so much throttle work from a dead stop. Even slipping the clutch it wont get going without a pretty healthy amount of throttle. Thinking it just needs a clutch rebuild kit and maybe a basket. Any info appreciated!

If it helps any here is what it has done.

FMF Fatty, VForce 3 reeds, and an iridium plug.

Jetting, reeds, and clutch if you think it is slipping. The 125's of the age I have come accross seem to have a pressure plate wear problem, make sure it's not dished out from the fibers. 

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