[AT] B&S coil

charlie hill charliehill at embarqmail.com
Sun Jul 1 10:42:02 PDT 2012


Dean you may well be right.  Just going by what I read.

Charlie

-----Original Message----- 
From: Dean VP
Sent: Sunday, July 01, 2012 1:28 PM
To: 'Antique tractor email discussion group'
Subject: Re: [AT] B&S coil

Charlie,

Ok, I guess I was thinking of tractor coils.

Dean VP
Snohomish, WA

"Do not go where the path may lead; go instead where there is no path and 
leave a trail."
- Ralph Waldo Emerson


-----Original Message-----
From: at-bounces at lists.antique-tractor.com 
[mailto:at-bounces at lists.antique-tractor.com]
On Behalf Of charlie hill
Sent: Sunday, July 01, 2012 10:12 AM
To: Antique tractor email discussion group
Subject: Re: [AT] B&S coil

Dean I just read online that it's between 2500 and 5000 ohms for a BS Coil.
http://www.briggsandstratton.com/support/frequently-asked-questions/Ignition%20System%20Th
eory%20and%20Testing/
The article was talking about the later version of B&S ignition but those 
numbers sound
about right based on what I read while testing my tractor coil a few weeks 
ago.

Charlie
-----Original Message-----
From: Dean VP
Sent: Sunday, July 01, 2012 12:16 PM
To: 'Antique tractor email discussion group'
Subject: Re: [AT] B&S coil

Don,

It takes a pretty good ohm meter to measure the resistance of a coil.  It 
might be
somewhere from less than 1 ohm to 2 or three ohms. Inexpensive ohm meters do 
not measure
low resistance very well or very accurately.  Also it is important to zero 
the meter first
before measuring by shorting the leads on the lowest ohm measuring scale.

Dean VP
Snohomish, WA

"Do not go where the path may lead; go instead where there is no path and 
leave a trail."
- Ralph Waldo Emerson


-----Original Message-----
From: at-bounces at lists.antique-tractor.com
[mailto:at-bounces at lists.antique-tractor.com]
On Behalf Of Don Bowen
Sent: Sunday, July 01, 2012 8:57 AM
To: Antique tractor email discussion group
Subject: [AT] B&S coil

I have a mid 70s 10 hp B&S I am trying to start.  There is no spark so I
cleaned the
points but no joy.  I am measuring a short to ground through the coil.  I do
not totally
trust the meter so what should the resistance through the coil be?

-- 
Don Bowen           KI6DIU
http://www.braingarage.com/Dons/Travels/journal/Journal.html

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