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Old 04-25-2013, 08:13 PM   #1
marvintheminnow
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Default Another Magneto question

Is it true that you need a specific regulator when running a magneto with a battery eliminator on an alternator shovelhead?

I read somewhere that a standard regulator requires a 12 volt signal from a battery in order to put out juice.


this is where im reading this

http://lillianrosechoppers.com/14.html

Last edited by marvintheminnow; 04-25-2013 at 08:24 PM.
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Old 04-25-2013, 08:48 PM   #2
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Default Re: Another Magneto question

Yes
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Old 04-25-2013, 08:50 PM   #3
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Default Re: Another Magneto question

Cycle electric actually makes a no battery regulator to use with a capacitor. Remember though, you'll have no lights without the bike running. You can run a super small 12v battery (antigravity, evo2, etc.) that will allow you to use the standard charging system and keep your lights on with the mag grounded.
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Old 04-25-2013, 08:59 PM   #4
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Default Re: Another Magneto question

Quote:
Originally Posted by BigDawg View Post
Cycle electric actually makes a no battery regulator to use with a capacitor. Remember though, you'll have no lights without the bike running. You can run a super small 12v battery (antigravity, evo2, etc.) that will allow you to use the standard charging system and keep your lights on with the mag grounded.
No room for a small battery. I used the battery compartment to house a remote oil filter.
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Old 04-25-2013, 09:20 PM   #5
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Default Re: Another Magneto question

who sells the cycle electrics regulator?
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Old 04-25-2013, 09:22 PM   #6
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Default Re: Another Magneto question

Cycle electric
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Old 04-25-2013, 09:23 PM   #7
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Default Re: Another Magneto question

would a mechanical regulator work?
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Old 04-25-2013, 09:41 PM   #8
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Default Re: Another Magneto question

Quote:
Originally Posted by marvintheminnow View Post
would a mechanical regulator work?

y̶e̶s̶ no.



Edit: I apologize, I did not see the word "alternator" in your original post. I am not aware of a mechanical regulator which will work as a rectifier on an alternator setup.

Last edited by F.St.M.; 04-26-2013 at 05:35 PM. Reason: poor reading comprehension
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Old 04-26-2013, 06:13 AM   #9
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Default Re: Another Magneto question

Quote:
Originally Posted by marvintheminnow View Post
No room for a small battery. I used the battery compartment to house a remote oil filter.
If you don't have a spot for a battery that small, then you don't have room for a capacitor either. The evo2 is about the size of two cigarette packs.
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Old 04-26-2013, 09:28 AM   #10
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Default Re: Another Magneto question

Quote:
Originally Posted by BigDawg View Post
If you don't have a spot for a battery that small, then you don't have room for a capacitor either. The evo2 is about the size of two cigarette packs.
my capicitor is smaller that 2 cigarette packs. like I said I filled the cavity with a remote oil filter, so no there is not room for even a small battery.


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Old 04-26-2013, 09:50 AM   #11
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Quote:
Originally Posted by Dragstews View Post
Neat little critter.....



VT No: 31-0784
Regulator mount bracket attaches to engine mount and is made of steel with a chrome finish.
Fits:
FL 1941-1984
FX 1971-1984
FXST 1984-1999
FLST 1986-1999

Could get fancy ....



Regulator Mount Bracket Stainless

VT No: 31-0951
Regulator mount bracket bolts to front motor mount.

I already have my regulator mounted in the typical kickstand bracket location in front of the alternator. unless you had something else in mind for this?
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Old 04-26-2013, 05:21 PM   #12
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Default Re: Another Magneto question

Anyone know a specific mech regulator I can pick up at an auto parts store that mounts up similar to the stock version?
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Old 04-26-2013, 07:07 PM   #13
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Default Re: Another Magneto question

will this work?

https://www.denniskirk.com/21292.sku...Fao-MgodznQAMg

if i order this within the next 50 minutes it will ship out today and be on my door step tomorrow
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Old 04-27-2013, 08:20 AM   #14
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Default Re: Another Magneto question

Quote:
Originally Posted by marvintheminnow View Post
will this work?

https://www.denniskirk.com/21292.sku...Fao-MgodznQAMg

if i order this within the next 50 minutes it will ship out today and be on my door step tomorrow
That's for a generator. You said previously you had an alternator?

Just a thought, wouldn't it be possible to hide a small battery in the headlight? Thinking a small rechargeable drycell might work.
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Old 04-27-2013, 10:00 AM   #15
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Default Re: Another Magneto question

I'm going to need to get one of these soon for a project too but do you "need" a capacitor? Cause my generator bikes probably "need" a cap as well but the slight headlight dimming doesn't bother me.
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Old 04-27-2013, 01:13 PM   #16
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Default Re: Another Magneto question

Last night a friend of mine had working lights with the cheapest v twin regulator, battery eliminator, and magneto.

needless to say he now doubts this theory of a "special" regulator.

I on the other hand am trying to get my bike to start and run before I know my regulator doesn't work. kicking and kicking over a fresh motor last night wore me out.
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Old 04-28-2013, 09:36 PM   #17
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Default Hunt Magneto Spark

I am having issues with a brand new Joe Hunt horizontal magneto I just installed on my cone shovel.

my timing procedure went like this

Set motor at top dead center, both front push rods bottomed out with vertical line centered in the timing window.

Small lobe on the magneto cam is in postion to open the points.

Set points to .015

Set Autolite 4265 plug gap to .018.

I am getting spark about every 3 kicks. I am assuming this is correct as spark would only be possible when the small lobe on the cam is coming around to open the points.

The spark seams to be pretty weak. Is the appearance of weak spark associated with the tight .018 plug gap?

I am getting absolutely no firing.

I even swapped carbs to rule the carb being the issue and still no action at all.

Right now my thoughts are spark is my issue and thinking about opening the gap on the plugs in hopes to get this motor to pop off.
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Old 04-28-2013, 09:42 PM   #18
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Default Re: Hunt Magneto Spark

Did you set the points to open right a TDC?
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Old 04-28-2013, 09:49 PM   #19
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Default Re: Hunt Magneto Spark

Quote:
Originally Posted by JAWS View Post
Did you set the points to open right a TDC?
The cam is coming around right at the position where the small lobe is coming in contact to open the points with the motor at TDC.
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Old 04-28-2013, 09:49 PM   #20
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That's what I thought. Right now it would be 0 degrees.
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