charging system fault

DEcosse said:

If you are confident in your measurement, then yes, the stator is good and can be eliminated from contention.
Therefor that essentially leaves the Regulator.
(you cannot effectively bench-check a MOSFET SHUNT Regulator)



It is really not necessary to buy an OEM R/R - it can be replaced with a genuine Shindengen FH012 or FH020 Form/Fit replacement commonly used on Yamahas and commonly available both new & used on the Internet (just DON'T get one that is cheap Chinese copy of the same - those look similar but you'll know predominantly by the price)

Better is a Series Type Regulator - Shindengen model SH847 - do a search on this forum for details of that device and installation information.

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Claviger said:

I replaced my OEM with a Shindengen, per Decosse's recommendation back in 2011 on my Datyona 955i. No issues since Thanks Ken.

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DEcosse said:

The stator or R/R is going to be one of those 95% of the time
Do check the connectors, ensure there is no burning on them and that they are fully engaged & clicked into place.
On Kevin's Touring the ground pigtail connector was burned, so check that - it's about 6" from the battery terminal on the smaller gauge wire.

Can you confirm what R/R you installed? There are a lot of shindengen fakes out there ......

At least in your last couple of posts (havent searched further back) @mr hunt I didnt see whether you had done the stator check above

Dont worry about number of pins - pretty sure your OEM harness doesnt have three wires on black connector so centre pin question is moot

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