Alton starter motor

Are the coils mounted on plastic cotton reels?
No, there is a thin glassfibre laminate glued to the core iron. On the stator there are three of them each side, each one has four tee shaped protrusions that match up with the core iron inner projections. Its these tee shapes that allow the coil to be wound without falling off the core iron and most importantly stop the core iron cutting through the wire insulation. When you unwind the coils to get to the broken wires these tee shaped ears fall off. I had to cutout new ones and epoxy them to the core iron, that allowed me to rewind the coil and keep it in place.
 
Hi Cliff,
I think that your lack of charging might be caused by the rotor magnets losing some of their magnetism.
I get over 14 volts from my Alton at 2000 rpm with the Alton stator.
By the way, what I did find out is that the two Alton alternator connectors inside the primary and also the two connectors where the wiring harness connects to those same wires outside the primary had voltage drops across them. I soldered all of them and it increased the charging voltage.
Dennis
 
That’s pretty good then if you take into account the performance improvement and the comparison to an oem replacement.

I would really like to get the alternator rewound on mine, as the charging is very marginal below about 3k rpm.
The charging on mine has always been marginal at low revs
I always thought it was the power hungry Lucas Rita that wasn't helping so I changed to a rex speed shop modern replacement CDI but it made no difference
I tried running my ignition from a separate battery and the charging was perfect even at idle
 
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