SOHC.co.uk Forums > CB350/400

rotor

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kevski:
Just out of interest, does anyone know if permanent magnet rotors are made for our bikes, 350/400.

Bryanj:
If you mean the 4 cyl then no and they are not permanent magnet the rotor is simply a lump of normal steel with a wavy groove, it is the inner coil that produces the magnetism and the groove makes it fluctuate across the outer coil generating electrikery

kevski:
The question is does anyone make a permanent magnet rotor, i already know they have a excited coil magnet rotor.

Bryanj:
never heard of one, it would be difficult to regulate the output

kevski:
A PMA would be a much needed modification to these bikes, my big Z has one, i put one on my XS650, i only asked as my 350f charging system has gone down, new R/R and sowing 16+v at 4krevs and 11v on idle with lights on, 4 things to go wrong and analyse, PMA only 2.

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