A More Efficient Voltage Regulator.
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6th Gear
Joined: Sep 2025
Posts: 12
Likes: 3
From: Weatherford Tx
And BTW, your bike is uuuugly.
Wes
Last edited by WesRagle; Sep 22, 2025 at 02:56 PM.
Thread Starter
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6th Gear
Joined: Sep 2025
Posts: 12
Likes: 3
From: Weatherford Tx
you have a PMG, not an alternator. did you match the regulator capacity to the load??
if you cannot find an hd one, try searching for wind driven systems, will not be small package since most are panel mount
40 amp unit
most units are mosfet now days away from the transistor and scr units. the advantage of the PWM is that they match the out put to the load, not simple on/off so they run cooler and hold a tight reign on the system.
https://www.ebay.com/itm/23394608473...Bk9SR6iO85euZg
if you cannot find an hd one, try searching for wind driven systems, will not be small package since most are panel mount
40 amp unit
most units are mosfet now days away from the transistor and scr units. the advantage of the PWM is that they match the out put to the load, not simple on/off so they run cooler and hold a tight reign on the system.
https://www.ebay.com/itm/23394608473...Bk9SR6iO85euZg
No, I haven't looked at that one.
I was able to get in touch with J&P Cycles tech support, and they have pointed me to another one that might fit the bill.
Thanks for The Help,
Wes
Thread Starter
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6th Gear
Joined: Sep 2025
Posts: 12
Likes: 3
From: Weatherford Tx
Thanks Ranger73,
That looks like a winner. From that web page.
A more efficient approach to rectifying regulators.
To control voltage on Harley-Davidson alternators other rectifier regulators dump current to ground. This causes maximum stator current and temperature at all times. Cycle Electric rectifying regulators block current to control voltage. This reduces stator current resulting in lower temperature and less drag on the motor which means more efficient operation. The largest and most noticeable benefit is a smoother charge to the battery. This means less battery maintenance and longer battery life.
Much Appreciated,
Wes
That looks like a winner. From that web page.
A more efficient approach to rectifying regulators.
To control voltage on Harley-Davidson alternators other rectifier regulators dump current to ground. This causes maximum stator current and temperature at all times. Cycle Electric rectifying regulators block current to control voltage. This reduces stator current resulting in lower temperature and less drag on the motor which means more efficient operation. The largest and most noticeable benefit is a smoother charge to the battery. This means less battery maintenance and longer battery life.
Much Appreciated,
Wes
Road Warrior
Joined: May 2007
Posts: 1,434
Likes: 384
From: Arkansastan
Some older Honda motorcycles have an open shunt system for regulation unlike the Harley/suzuki shunt-to-ground. Might look into one of those. I used to convert Suzuki regulators with these because the Suzukis had weak stators.
Club Member
Joined: Apr 2011
Posts: 5,799
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From: SE Louisiana
Call cycle Electric
https://www.cycleelectricinc.com/
"use with permanent magnet alternators.
A more efficient approach to rectifying regulators.
To control voltage on Harley-Davidson alternators other rectifier regulators dump current to ground. This causes maximum stator current and temperature at all times. Cycle Electric rectifying regulators block current to control voltage. This reduces stator current resulting in lower temperature and less drag on the motor which means more efficient operation. The largest and most noticeable benefit is a smoother charge to the battery. This means less battery maintenance and longer battery life."
https://www.cycleelectricinc.com/
"use with permanent magnet alternators.
A more efficient approach to rectifying regulators.
To control voltage on Harley-Davidson alternators other rectifier regulators dump current to ground. This causes maximum stator current and temperature at all times. Cycle Electric rectifying regulators block current to control voltage. This reduces stator current resulting in lower temperature and less drag on the motor which means more efficient operation. The largest and most noticeable benefit is a smoother charge to the battery. This means less battery maintenance and longer battery life."
Seasoned HDF Member
Joined: May 2008
Posts: 21,129
Likes: 12,691
From: South Carolina
Good night, DICK.
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6th Gear
Joined: Sep 2025
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From: Weatherford Tx
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