Hitchcocks Forum

hi all stripping engine down and have removed crankshaft out of engine and now struggling to splt flwheels off spindles on iron barrel 350 bullet year 1999 some help please .

Rebuilding cranks is a bit specialsed but if you want to try you should have access to a hydraulic press really. I've heard of people jacking them apart using nuts and bolts.

Yes thats how I split mine take crankpin puts off get 4 half inch bolts and nuts, cut bolts down so they can just slide between flywheels put nuts on below cut end and slide between wheels 2 close to crankpin approx 25mm other 2 further round taking pin as 12 oclock 1 at 2 oclock 1 at 10 oclock other 2 at 4 and 8 oclock then wind the nuts up 1/4turns at a time using 2 spanners. I weld bolts to a bit of thin flatbar so you dont have to fiddle with 2 spanners.when you get them all equally tight near top of thread give pin a sharp tap with hammer, lf they dont separate slacken off and pack bolt heads with washers. NB have the screw in the crankpin up and leave other nut on this should bring the wheel off if pin is unscored drill out sludge trap pin and clean trap new bush new trap screw on with wheel and nut and get someone with a lathe to true em up.if your down that far I would consider getting crank assy balanced mine was done to 63% much less vibes you need to take piston and rings piston pin and clips S these get weighed for balance.
Not a hard job similar to large lawnmower engine, hope this helps.