yep I've taken the correct socket up the the local tyre place before and got them to put their grunty rattle gun on and that has done the trick in the past.
The other way is? Because you are dealing with a shagged crank you can put a cold chisel or something between the two halves at the crank pin and the case. As it turns it will jam and stop the crank from turning and lock it up. Then you can either get a strong arm onto it or an impact driver. I only suggest the above because your doing a complete recon I wouldn't do it if you are leaving the crank alone.
On a Motorcycle you're penetrating distance, right along with the machine!! In a car you're just a spectator, the windshields like a TV!!
'Life's Journey is not to arrive at the grave safely in a well preserved body, but rather to skid in sideways, totally worn out! Shouting, ' Holy sh!t... What a Ride!! '
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