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Battery question...

Charging System, Wiring, Lighting
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R100
honda305.com Member
Posts: 332
Joined: Sun Jul 01, 2012 3:02 pm

Battery question...

Post by R100 » Sat Jan 03, 2015 1:49 pm

After doing some searches, it seems the correct battery for a '66 CB77 is a Yuasa 12N9-3A. My bike came to me with a Walmart knockoff 12N9-4B. It appears the only real difference is that the + - terminal positions are reversed. Judging by the state of the cables, it could very well be that the 12N9-4B battery is incorrect and installed by the P.O. based on price or availability.

Because I am going to remake the battery cables and purchase a new battery, I need to know the correct orientation of the battery terminals.
Right side of the bike or left?
Positive + to the front or rear?

If someone knows for certain, I'm all ears. Well in this case all eyes.
Thanks.

LOUD MOUSE
honda305.com Member
Posts: 7817
Joined: Mon Aug 15, 2005 8:23 am
Location: KERRVILLE, TEXAS

Re: Battery question...

Post by LOUD MOUSE » Sat Jan 03, 2015 1:51 pm

Right side of the bike or left? Left
Positive + to the front or rear? Rear. ........lm

R100 wrote:After doing some searches, it seems the correct battery for a '66 CB77 is a Yuasa 12N9-3A. My bike came to me with a Walmart knockoff 12N9-4B. It appears the only real difference is that the + - terminal positions are reversed. Judging by the state of the cables, it could very well be that the 12N9-4B battery is incorrect and installed by the P.O. based on price or availability.

Because I am going to remake the battery cables and purchase a new battery, I need to know the correct orientation of the battery terminals.
Right side of the bike or left?
Positive + to the front or rear?

If someone knows for certain, I'm all ears. Well in this case all eyes.
Thanks.

R100
honda305.com Member
Posts: 332
Joined: Sun Jul 01, 2012 3:02 pm

Re: Battery question...

Post by R100 » Sat Jan 03, 2015 1:59 pm

Thanks LM.
The P.O. put in the wrong battery.
His remedy for that was to make the battery cables wrong.
Don't ya just love people?!
LOUD MOUSE wrote:Right side of the bike or left? Left
Positive + to the front or rear? Rear. ........lm

R100 wrote:After doing some searches, it seems the correct battery for a '66 CB77 is a Yuasa 12N9-3A. My bike came to me with a Walmart knockoff 12N9-4B. It appears the only real difference is that the + - terminal positions are reversed. Judging by the state of the cables, it could very well be that the 12N9-4B battery is incorrect and installed by the P.O. based on price or availability.

Because I am going to remake the battery cables and purchase a new battery, I need to know the correct orientation of the battery terminals.
Right side of the bike or left?
Positive + to the front or rear?

If someone knows for certain, I'm all ears. Well in this case all eyes.
Thanks.

LOUD MOUSE
honda305.com Member
Posts: 7817
Joined: Mon Aug 15, 2005 8:23 am
Location: KERRVILLE, TEXAS

Re: Battery question...

Post by LOUD MOUSE » Sat Jan 03, 2015 7:43 pm

What you have is common as folks didn't want to pay the price or couldn't find the correct battery. ................lm

R100 wrote:Thanks LM.
The P.O. put in the wrong battery.
His remedy for that was to make the battery cables wrong.
Don't ya just love people?!
LOUD MOUSE wrote:Right side of the bike or left? Left
Positive + to the front or rear? Rear. ........lm

R100 wrote:After doing some searches, it seems the correct battery for a '66 CB77 is a Yuasa 12N9-3A. My bike came to me with a Walmart knockoff 12N9-4B. It appears the only real difference is that the + - terminal positions are reversed. Judging by the state of the cables, it could very well be that the 12N9-4B battery is incorrect and installed by the P.O. based on price or availability.

Because I am going to remake the battery cables and purchase a new battery, I need to know the correct orientation of the battery terminals.
Right side of the bike or left?
Positive + to the front or rear?

If someone knows for certain, I'm all ears. Well in this case all eyes.
Thanks.

User avatar
jleewebb
honda305.com Member
Posts: 472
Joined: Fri Jun 08, 2007 3:37 pm
Location: travis county, tx

agm battery

Post by jleewebb » Sun Jan 04, 2015 10:34 am

http://www.amazon.com/MotoBatt-MB9U-Fac ... B0042LLB88

a low-amp battery tender is recommended, regular battery charger will fry it...

will last way longer than a stock lead-acid Yuasa...
'62 CB77. "It's a rider."

R100
honda305.com Member
Posts: 332
Joined: Sun Jul 01, 2012 3:02 pm

Re: agm battery

Post by R100 » Sun Jan 04, 2015 12:02 pm

Those look good but weigh 8 lbs. When this one dies I will probably probably go for a Li-Ion for the weight saving.
jleewebb wrote:http://www.amazon.com/MotoBatt-MB9U-Fac ... B0042LLB88

a low-amp battery tender is recommended, regular battery charger will fry it...

will last way longer than a stock lead-acid Yuasa...

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