How to guide: crankcase reseal

[tailgate]

THANK YOU VERY MUCH! i am just about to buy a 07/ 450 sxv ...used of course... very, very low miles.... i am sure this problem will need to be adressed.... i have rebuilt a couple old vespa motors... but now after reading this post...by i zapp and acompanying fotos ... i feel much much better about doing the job myself !... i thank you again
tailgate. vancouver canada

[Metalmulisha]

Hey guys! Just bout to do a reseal!!
But now im.stuck, hows.the best way to undo the bolt behind the clutch.arm as my small ratchet is too big to fit in the space? Didnt know if there were any tricks of the trade!!
Cheers!