CBR 250 R 11-15, CBR 300 R 14-15, CRF 250L 13-14 MTX Regulator Rectifier
MTX Performance Parts come straight from their extensive experience on
the race track and that same DNA and passion flow into their range of
aftermarket performance and electronic components.
A motorcycle regulator rectifier is part of the battery charging system,
and as the name implies regulates the voltage across a motorcycle to
save working ranges.
Typically a rectifier is fed AC power generated from the stator coils of
the generator (alternator) and converts it to DC power whilst, at the
same time, limiting the voltage to a maximum of about 14.5 volts.
Signs that your regulator needs replacing.
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Depending on the location of the regulator rectifier, the part can
easily overheat.
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Other causes for a dead regulator rectifier center on the battery.
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Ground connections are important for good voltage, and if there is a
faulty voltage, the regulator rectifier can run hot.
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Bad grounding, corroded battery connection and poor or loose battery
connections will cause faulty voltage too.
There are generally two ways for the regulator rectifier to fail.
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The first deals with diode burnout, resulting in battery drain.
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It is easy to assume that the issue is a bad battery because of
symptoms such as dimming headlights and poor starts.
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Checking the voltage with a voltmeter versus relying on symptoms alone
will prove highly beneficial.
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If the voltage drops below 13 volts, the motorcycle will begin to
drain the battery and eventually the engine will stop.
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Check for bad connections and corrosion; these can also cause voltage
issues.
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The other failure type is shunt regulator burnout, where the regulator
rectifier fails to control the voltage, resulting in battery
overcharge.
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Again, a voltmeter will be useful for diagnosis.
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Though generally, readings above 17 volts mean the regulator rectifier
is not converting the excess power correctly and all of that excess
voltage may cause the headlights to become extremely bright and then
blow.
MTX's range of OE replacement rectifiers are designed to directly
replace faulty or broken OE componentry, with all the same connectors as
your OE components, they are simply 'plug-and-play' replacements.
Direct Replacement Plug and Play with OE connectors included.
