Oh! So you do worry about that…
Suzuki’s big-displacement electrics are reliable, or so I thought…
2023…
Well, the Inazuma is ’98–’99, so
24–25 years?
We’re grateful parts are even available.
If you replace it now,
you’ll be safe for as long as you ride it!
I bought one before they disappeared!
Suzuki 32500-03F11
03F11 is the new part number
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From top to bottom:
“Failed, mine, new”
The part number printing is slightly different.
Maybe it’s somewhat useful as a reference?
When I looked up this part number…
REX Voltage Regulator Subaru OEM Used Motorcycle Parts KH1 KH1-PS KH1-AC ENO5A D7S Inspection Genuine
Huh? Subaru?
The Pleiades star cluster?
Hmm…could it be
cheaper than buying from Suzuki?
I didn’t bother searching.
From experience, around 14.2V is safe
The image shows a failed regulator.
Overcharging caused the MF battery to
vent dilute sulfuric acid.
Proper voltage is essential.
Even more so with lithium.
Be sure to
disconnect the battery terminal.
Seriously,
it goes “pop!”so be careful.
It’s surprisingly easy.
Remove the sprocket cover too.
I marked them with light blue marker.
Remove five bolts and you’re done.
This is what it looks like when removed.
The brushes are in good condition.
The brushes have a slight quirk during installation,
but it’s not too bad.
Before replacement:
Light ON 13.78V
Light OFF 14.11V
I checked the maximum output at high RPM.
After replacement:
Light ON 14.14V
Light OFF 14.22V
I checked the maximum output at high RPM.
It may have been slightly weakened.
If anyone finds a Subaru or Suzuki
car version, you’d be a hero!
Though I doubt it would be surprisingly cheap…
The replacement is quite easy.
If you plan to keep riding long-term,
it’s absolutely essential to do this.
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