Author Topic: YES IT WAS THE BATTERY. CURRENTLY STRANDED! HAHA  (Read 3412 times)

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Offline evanphi

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YES IT WAS THE BATTERY. CURRENTLY STRANDED! HAHA
« on: May 08, 2015, 11:31:08 AM »
After parking the bike yesterday after commuting to work and back, I went to start my bike this morning and the starter button did not produce the typical result (running bike). Yes, clutch lever is pulled in, and bike is in neutral for all of the following scenarios:

I was able to kickstart the bike and it ran fine, and 3 subsequent starts today with kicker were also fine. This makes me think it is NOT the battery that is the issue.

The digital gauge (Acewell 2853) would blink on and off, and the headlight dimmed. This makes me think it is NOT the switch that is the issue.

I jumped the solenoid posts, and the exact same happened as with the starter switch. This makes me think it is NOT the solenoid that is the issue.


The only other option is the starter motor, correct?



Tonight is bike night, and I have vacation next week... PERFECT TIMING.
« Last Edit: May 08, 2015, 12:50:38 PM by evanphi »
--Evan

1975 CB750K "Rhonda"
Delkevic Stainless 4-1 Header, Cone Engineering 18" Quiet Core Reverse Cone, K&N Filter in Drilled Airbox
K5 Crankcase/Frame, K4 Head and Cylinders, K1 Carbs (42;120;1 Turn)

She's a mix-matched (former) basket case, but she's mine.

CB750 Shop Manual (all years), searchable text PDF
Calculating the correct input circumference for digital speedometers connected to the original speedometer drive

Offline flybox1

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Re: Possible starter motor issue...would like confirmation
« Reply #1 on: May 08, 2015, 11:39:12 AM »
You can still kick start a bike with a ishtty battery  ;D
Test it.
'78 750K (F3 engine) PD42b's, Modified airbox w/K&N  filter, 40/110 jets, 1 needle shim, IMS@ 1 turn out. Kerker + Cone 18" QuietCore

Past Bikes
1974 550K0 (stock), 1973 CB350F (stock), 1983 Yamaha XS400K (POS)
77/78 cool 2 member #3
"Knowledge without mileage equals bullsh!t" - Henry Rollins

"This is my CB. There are many like it, but this one is mine…"

Offline evanphi

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Re: Possible starter motor issue...would like confirmation
« Reply #2 on: May 08, 2015, 11:41:38 AM »
I was just making an edit to my post and I lost it... :|

It was showing weak when I was using a battery load tester... and I'm buying a new AGM battery in a few days.

I will check actual load drop when I get home.
--Evan

1975 CB750K "Rhonda"
Delkevic Stainless 4-1 Header, Cone Engineering 18" Quiet Core Reverse Cone, K&N Filter in Drilled Airbox
K5 Crankcase/Frame, K4 Head and Cylinders, K1 Carbs (42;120;1 Turn)

She's a mix-matched (former) basket case, but she's mine.

CB750 Shop Manual (all years), searchable text PDF
Calculating the correct input circumference for digital speedometers connected to the original speedometer drive

Offline Jerry Rxman Griffin aka MuthaF'er

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Re: Possible starter motor issue...would like confirmation
« Reply #3 on: May 08, 2015, 11:41:43 AM »
Battery I'd bet.

It MAY read 12.6V especially right after a charge but will probably drop. I'd take it into a store such as Advance Auto Parts and ask for a free load test. This will tell the REAL condition of your battery WHEN YOU HIT THE BUTTON. They have a good maintenance free AGM battery available also. Hope you are using or have a battery maintainer trickle charger. If not then get one and keep it hooked up when the bike isn't being ridden.

As of today 3/13/2012 my original owner 75 CB750F has made it through 3 wives, er EX-wives. Free at last.  ;-)

Offline evanphi

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Re: Possible starter motor issue...would like confirmation
« Reply #4 on: May 08, 2015, 11:43:05 AM »
Battery I'd bet.

It MAY read 12.6V especially right after a charge but will probably drop. I'd take it into a store such as Advance Auto Parts and ask for a free load test. This will tell the REAL condition of your battery WHEN YOU HIT THE BUTTON. They have a good maintenance free AGM battery available also. Hope you are using or have a battery maintainer trickle charger. If not then get one and keep it hooked up when the bike isn't being ridden.



Yep, I tested it under load and it was showing weak. I've got a maintainer, and I'm getting a new battery soon.
--Evan

1975 CB750K "Rhonda"
Delkevic Stainless 4-1 Header, Cone Engineering 18" Quiet Core Reverse Cone, K&N Filter in Drilled Airbox
K5 Crankcase/Frame, K4 Head and Cylinders, K1 Carbs (42;120;1 Turn)

She's a mix-matched (former) basket case, but she's mine.

CB750 Shop Manual (all years), searchable text PDF
Calculating the correct input circumference for digital speedometers connected to the original speedometer drive

Offline evanphi

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You can still kick start a bike with a ishtty battery  ;D
Test it.

Usually when I would try starting it with a bad battery the gauge would just shut right off. Or would that just be with a totally (or almost) dead battery, and this one is just weak under load?
--Evan

1975 CB750K "Rhonda"
Delkevic Stainless 4-1 Header, Cone Engineering 18" Quiet Core Reverse Cone, K&N Filter in Drilled Airbox
K5 Crankcase/Frame, K4 Head and Cylinders, K1 Carbs (42;120;1 Turn)

She's a mix-matched (former) basket case, but she's mine.

CB750 Shop Manual (all years), searchable text PDF
Calculating the correct input circumference for digital speedometers connected to the original speedometer drive

Offline evanphi

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Re: YES IT WAS THE BATTERY. CURRENTLY STRANDED! HAHA
« Reply #6 on: May 08, 2015, 12:51:24 PM »
Hsieuskaifjdjskdj

It was the battery. Bike just died in traffic!

Fuuuuuuuuuuuuuuuuuu

--Evan

1975 CB750K "Rhonda"
Delkevic Stainless 4-1 Header, Cone Engineering 18" Quiet Core Reverse Cone, K&N Filter in Drilled Airbox
K5 Crankcase/Frame, K4 Head and Cylinders, K1 Carbs (42;120;1 Turn)

She's a mix-matched (former) basket case, but she's mine.

CB750 Shop Manual (all years), searchable text PDF
Calculating the correct input circumference for digital speedometers connected to the original speedometer drive

Offline flybox1

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Re: YES IT WAS THE BATTERY. CURRENTLY STRANDED! HAHA
« Reply #7 on: May 08, 2015, 01:01:43 PM »
Sucks man.  While riding, you should have maintained at least a little charge...
Once you get your new battery, you need to service your charging system.  I just spent a week going thru mine
'78 750K (F3 engine) PD42b's, Modified airbox w/K&N  filter, 40/110 jets, 1 needle shim, IMS@ 1 turn out. Kerker + Cone 18" QuietCore

Past Bikes
1974 550K0 (stock), 1973 CB350F (stock), 1983 Yamaha XS400K (POS)
77/78 cool 2 member #3
"Knowledge without mileage equals bullsh!t" - Henry Rollins

"This is my CB. There are many like it, but this one is mine…"

Offline PeWe

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Re: YES IT WAS THE BATTERY. CURRENTLY STRANDED! HAHA
« Reply #8 on: May 08, 2015, 01:07:23 PM »
Battery can become bad really quick. One cell just dies.
I have had that problem with cars and my bike. OK one start, next no power for start.
My bike battery during a holiday going south from Sweden to Italy.
I did not have any problem until in Italy on a small winding road in the evening. I had to release throttle for a sharp corner, headlight just died. It was not pitch black so I saw the road enough and remembered how it looked like before light off. I had to keep the engine over 4000rpms. If not, no headlights, only glowing blinkers all 4. No blinker activatred on switch.
Changed battery when back home.
CB750 K6-76  970cc (Earlier 1005cc JMR Billet block on the shelf waiting for a comeback)
CB750 K2-75 Parts assembled to a stock K2

Updates of the CB750 K6 -1976
http://forums.sohc4.net/index.php/topic,180468.msg2092136.html#msg2092136
The billet block build thread
http://forums.sohc4.net/index.php/topic,49438.msg1863571.html#msg1863571
CB750 K2 -1975  build thread
http://forums.sohc4.net/index.php/topic,168243.msg1948381.html#msg1948381
K2 engine build thread. For a complete CB750 -75
http://forums.sohc4.net/index.php/topic,180088.msg2088008.html#msg2088008
Carb jetting, a long story Mikuni TMR32
http://forums.sohc4.net/index.php/topic,179479.msg2104967.html#msg2104967

Offline evanphi

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Re: YES IT WAS THE BATTERY. CURRENTLY STRANDED! HAHA
« Reply #9 on: May 08, 2015, 01:08:22 PM »
Yeah the battery was on its last legs anyway. I let the fluid levels get too low and I was over charging it... Just placed an order for the new battery!
--Evan

1975 CB750K "Rhonda"
Delkevic Stainless 4-1 Header, Cone Engineering 18" Quiet Core Reverse Cone, K&N Filter in Drilled Airbox
K5 Crankcase/Frame, K4 Head and Cylinders, K1 Carbs (42;120;1 Turn)

She's a mix-matched (former) basket case, but she's mine.

CB750 Shop Manual (all years), searchable text PDF
Calculating the correct input circumference for digital speedometers connected to the original speedometer drive

Offline evanphi

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Re: YES IT WAS THE BATTERY. CURRENTLY STRANDED! HAHA
« Reply #10 on: May 08, 2015, 06:54:55 PM »
We made it home!



--Evan

1975 CB750K "Rhonda"
Delkevic Stainless 4-1 Header, Cone Engineering 18" Quiet Core Reverse Cone, K&N Filter in Drilled Airbox
K5 Crankcase/Frame, K4 Head and Cylinders, K1 Carbs (42;120;1 Turn)

She's a mix-matched (former) basket case, but she's mine.

CB750 Shop Manual (all years), searchable text PDF
Calculating the correct input circumference for digital speedometers connected to the original speedometer drive

Offline SOHC4 Cafe Racer Fan

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Re: YES IT WAS THE BATTERY. CURRENTLY STRANDED! HAHA
« Reply #11 on: May 08, 2015, 07:05:29 PM »
That BLOWS.  I've been there several times as a consequence of various mechanical gremlins.
1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold

Offline ekpent

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Re: YES IT WAS THE BATTERY. CURRENTLY STRANDED! HAHA
« Reply #12 on: May 09, 2015, 05:48:24 AM »
You need to make friends with someone who has a truck and or trailer  ;)

Offline evanphi

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Re: YES IT WAS THE BATTERY. CURRENTLY STRANDED! HAHA
« Reply #13 on: May 09, 2015, 09:24:57 AM »
Mother in law bailed me out with her CAA... Got the tow thanks to her!!!

« Last Edit: May 09, 2015, 03:46:37 PM by evanphi »
--Evan

1975 CB750K "Rhonda"
Delkevic Stainless 4-1 Header, Cone Engineering 18" Quiet Core Reverse Cone, K&N Filter in Drilled Airbox
K5 Crankcase/Frame, K4 Head and Cylinders, K1 Carbs (42;120;1 Turn)

She's a mix-matched (former) basket case, but she's mine.

CB750 Shop Manual (all years), searchable text PDF
Calculating the correct input circumference for digital speedometers connected to the original speedometer drive

Offline Tews19

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Re: YES IT WAS THE BATTERY. CURRENTLY STRANDED! HAHA
« Reply #14 on: May 09, 2015, 11:37:20 AM »
You need to make friends with someone who has a truck and or trailer  ;)



I bought my first truck because I was tired of asking people to pick me and my bike up when it would die.
1969 Honda CB750... Basket case
1970 Honda CB750 survivor.

Offline NobleHops

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Re: YES IT WAS THE BATTERY. CURRENTLY STRANDED! HAHA
« Reply #15 on: May 09, 2015, 12:36:46 PM »
You need to make friends with someone who has a truck and or trailer  ;)



I bought my first truck because I was tired of asking people to pick me and my bike up when it would die.

 ;D This should be your new signature Tews.
Nils Menten * Tucson, Arizona, USA

I have a motorcycle problem.

My build thread: NobleHops makes a 400F pretty for his wife: http://forums.sohc4.net/index.php?topic=131210.0

Offline Stev-o

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Re: YES IT WAS THE BATTERY. CURRENTLY STRANDED! HAHA
« Reply #16 on: May 09, 2015, 02:10:55 PM »
You need to make friends with someone who has a truck and or trailer  ;)



I bought my first truck because I was tired of asking people to pick me and my bike up when it would die.

 ;D This should be your new signature Tews.

Agreed.  Better than that Drive BS.  [never saw the movie]
'74 "Big Bang" Honda 750K [836].....'76 Honda 550F.....K3 Park Racer!......and a Bomber!............plus plus plus.........

Offline ekpent

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Re: YES IT WAS THE BATTERY. CURRENTLY STRANDED! HAHA
« Reply #17 on: May 10, 2015, 06:00:31 AM »
Bought mine because the Chicks dig it !!      ;D

Offline Don R

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Re: YES IT WAS THE BATTERY. CURRENTLY STRANDED! HAHA
« Reply #18 on: May 10, 2015, 07:24:00 AM »
 Advance keeps bringing me batteries with the hot on the left side. Two years in a row, I can't get one there.
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Offline ChopSticks

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Re: YES IT WAS THE BATTERY. CURRENTLY STRANDED! HAHA
« Reply #19 on: May 10, 2015, 03:44:14 PM »
For cb750s do you have to pull in the clutch for it to start even if the bike is in neutral?

Offline Djfob

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Re: YES IT WAS THE BATTERY. CURRENTLY STRANDED! HAHA
« Reply #20 on: May 10, 2015, 05:35:54 PM »

For cb750s do you have to pull in the clutch for it to start even if the bike is in neutral?

Nope, pull the clutch only when it's in gear
78 CB750k

Offline evanphi

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Re: YES IT WAS THE BATTERY. CURRENTLY STRANDED! HAHA
« Reply #21 on: May 10, 2015, 05:37:16 PM »
For cb750s do you have to pull in the clutch for it to start even if the bike is in neutral?

One or the other. Best practice is to ALWAYS do clutch though... for those days when you kick start and you're still in first gear... not that I've ever done that, though..........................................

In my video I put it in neutral the first time I got it going in the parking lot.
« Last Edit: May 10, 2015, 05:39:49 PM by evanphi »
--Evan

1975 CB750K "Rhonda"
Delkevic Stainless 4-1 Header, Cone Engineering 18" Quiet Core Reverse Cone, K&N Filter in Drilled Airbox
K5 Crankcase/Frame, K4 Head and Cylinders, K1 Carbs (42;120;1 Turn)

She's a mix-matched (former) basket case, but she's mine.

CB750 Shop Manual (all years), searchable text PDF
Calculating the correct input circumference for digital speedometers connected to the original speedometer drive

Offline Corsair

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Re: YES IT WAS THE BATTERY. CURRENTLY STRANDED! HAHA
« Reply #22 on: May 11, 2015, 03:00:23 PM »
Yup. That is sounds about

Offline SOHC4 Cafe Racer Fan

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Re: YES IT WAS THE BATTERY. CURRENTLY STRANDED! HAHA
« Reply #23 on: May 11, 2015, 03:31:04 PM »

For cb750s do you have to pull in the clutch for it to start even if the bike is in neutral?

Nope, pull the clutch only when it's in gear

That said, a false neutral will wake you up!  ;)
1975 CB550K1 "Blue" Stockish Restomod (http://forums.sohc4.net/index.php?topic=135005.0)
1975 CB550F1 frame/CB650 engine hybrid "The Hot Mess" (http://forums.sohc4.net/index.php/topic,150220.0.html)
2008 Triumph Thruxton (http://forums.sohc4.net/index.php/topic,190956.0.html)
2014 MV Agusta Brutale Dragster 800
2015 Yamaha FZ-09 (http://forums.sohc4.net/index.php/topic,186861.0.html)

"There are some things nobody needs in this world, and a bright-red, hunch-back, warp-speed 900cc cafe racer is one of them — but I want one anyway, and on some days I actually believe I need one.... Being shot out of a cannon will always be better than being squeezed out of a tube. That is why God made fast motorcycles, Bubba." Hunter S. Thompson, Song of the Sausage Creature, Cycle World, March 1995.  (http://www.latexnet.org/~csmith/sausage.html and https://magazine.cycleworld.com/article/1995/3/1/song-of-the-sausage-creature)

Sold/Emeritus
1973 CB750K2 "Bionic Mongrel" (http://forums.sohc4.net/index.php?topic=132734.0) - Sold
1977 CB750K7 "Nine Lives" Restomod (http://forums.sohc4.net/index.php?topic=50490.0) - Sold
2005 RVT1000RR RC51-SP2 "El Diablo" - Sold
2016+ Triumph Thruxton 1200 R (http://forums.sohc4.net/index.php/topic,170198.0.html) - Sold