by Captain Pugwash » Fri Aug 15, 2014 2:43 pm
My original AF Ducati flywheels (not a machined SIL) have always worked fine, but the later remade in India AF flywheels (again not the SIL flywheels) have sometimes given issue, but NOT a problem with the Originals other than the flywheel can hit the pickup if the original thinner AF Stator isn't fitted, or if a thick mag-housing gasket is fitted, because this has the effect of pushing the stator and pickup out towards the flywheel.
Even with the original thinner AF Ducati stator (which was originally sold with the AF flywheel) fitted the flywheel can sometimes scuff the top of the pick up as they do run with a minimum of clearance. This is made worse by the choice of GP crank used, as it can effect the pickups clearance as some crankshafts are slightly out of tolerance compared to others.
But the early original Ducati AF flywheels do not "themselves" cause any running problems once fitted correctly IMO.