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Ducati750cc · 18th April 2021, 10:20

I managed to get the alternator off and the spindle runs smooth

Don't forget that a noise may only occur when a component is under load, or at a certain speed, even though the bearings felt OK, and they may well have been, excess armature end float can be the source of noises.

Did you run the engine with the belt off and had the noise gone confirming the noise was the alternator ?

18th April 2021, 10:20	#14
Ducati750cc Loves to post Rover75 tourer Join Date: Jun 2018 Location: Ashton Posts: 428 Thanks: 121 Thanked 206 Times in 145 Posts	I managed to get the alternator off and the spindle runs smooth Don't forget that a noise may only occur when a component is under load, or at a certain speed, even though the bearings felt OK, and they may well have been, excess armature end float can be the source of noises. Did you run the engine with the belt off and had the noise gone confirming the noise was the alternator ? __________________ Common sense isn't a gift, it's a punishment because you have to deal with everyone who doesn't have it.