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Author Topic: Daiichi points and condensers  (Read 1705 times)

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Offline rsank

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Daiichi points and condensers
« on: July 19, 2015, 01:59:57 PM »
Yes, you guys warned me, but I had already purchased two sets of daiichi points and condensers.

I installed them a few days ago, and after about 200 miles of riding, I suddenly lost spark to cylinders 1,4. Cylinders 2,3 were firing.

I stopped to troubleshoot and after a short cooling off, it started back up again and let me ride another 2 miles or so before packing up. Then another stop and it would be back again for another 5 miles. Then when re-checking spark to plug #4, it suddenly starts firing again with no inputs from me but stops soon after and never fires again. It has been warm these last few days, the engine is not overheating or anything.

I wait 2 1/2 hours for CAA tow because I didn't pack the spare condensers or points.

While on the roadside, I checked the static timing with a lamp tester and it was fine. So there is current flowing from the battery to the condenser. Points and gap are looking okay. The only thing I can suspect is a faulty condenser.
Your thoughts?

I am going to order the proper points and condensers now... :-(


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Offline flybox1

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Re: Daiichi points and condensers
« Reply #1 on: July 19, 2015, 02:03:33 PM »
Bummer you got stuck. 
Just another incident supporting OEM Honda equipment.
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'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 Airborne 82nd

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Re: Daiichi points and condensers
« Reply #2 on: July 19, 2015, 03:41:34 PM »
Quote from: rsank on July 19, 2015, 01:59:57 PM
Yes, you guys warned me, but I had already purchased two sets of daiichi points and condensers.

I installed them a few days ago, and after about 200 miles of riding, I suddenly lost spark to cylinders 1,4. Cylinders 2,3 were firing.

I stopped to troubleshoot and after a short cooling off, it started back up again and let me ride another 2 miles or so before packing up. Then another stop and it would be back again for another 5 miles. Then when re-checking spark to plug #4, it suddenly starts firing again with no inputs from me but stops soon after and never fires again. It has been warm these last few days, the engine is not overheating or anything.

I wait 2 1/2 hours for CAA tow because I didn't pack the spare condensers or points.

While on the roadside, I checked the static timing with a lamp tester and it was fine. So there is current flowing from the battery to the condenser. Points and gap are looking okay. The only thing I can suspect is a faulty condenser.
Your thoughts?

I am going to order the proper points and condensers now... :-(


Sent from my iPad using Tapatalk

I don't understand did you buy before or after the warning?
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Offline rsank

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Re: Daiichi points and condensers
« Reply #3 on: July 19, 2015, 04:06:03 PM »
Way before it. I bought a bunch of parts last year and the two extra sets of points and condensers plus a spare points plate. I did not have the heart to trash those as they cost money... :-)
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Online PeWe

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Re: Daiichi points and condensers
« Reply #4 on: July 20, 2015, 10:55:05 AM »
Switch condensers between 1-4, 2-3 and see if problem follow.
Yellow and blue wires are properly connected with main harness and then to coils. Bad connection, corroded pin/socket.
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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 BomberMann650

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Re: Daiichi points and condensers
« Reply #5 on: July 20, 2015, 01:00:08 PM »
I had the same problem recently - got the daichi warning from these guys too.

now I have sudcos waiting to be put on....after I find a new exhaust  :o
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Offline flybox1

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Re: Daiichi points and condensers
« Reply #6 on: July 20, 2015, 01:33:24 PM »
After all the threads about cheap aftermarket points, I don't understand why anyone would buy something other than TEC/Nippon Denso?

http://forums.sohc4.net/index.php/topic,59886.0.html
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'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 seanbarney41

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Re: Daiichi points and condensers
« Reply #7 on: July 20, 2015, 05:44:33 PM »
Quote from: BomberMann650 on July 20, 2015, 01:00:08 PM
I had the same problem recently - got the daichi warning from these guys too.

now I have sudcos waiting to be put on....after I find a new exhaust  :o
really hate to break this to you...but last time I bought points/condensors from Sudco, they were just Daaichi in a Sudco labeled package.  It was about 2 or 3 years ago.
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If it works good, it looks good...

Offline Cabilao

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Re: Daiichi points and condensers
« Reply #8 on: July 20, 2015, 07:29:15 PM »
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before:
Kreidler RMC(50cc)
CB400N(first bike)
RD350LC(more than one)
XS850(great bike)
CB900F(wish i still have it)
FZR1000(too fast)
Rickman CR900(sold for a good price)
now:
Rusi 125
CB 125 CL(just for fun)
Yamaha XTZ 125
CB750P7(mystery bike)
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Offline flybox1

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Re: Daiichi points and condensers
« Reply #9 on: July 20, 2015, 08:43:08 PM »
Quote from: seanbarney41 on July 20, 2015, 05:44:33 PM
Quote from: BomberMann650 on July 20, 2015, 01:00:08 PM
I had the same problem recently - got the daichi warning from these guys too.

now I have sudcos waiting to be put on....after I find a new exhaust  :o
really hate to break this to you...but last time I bought points/condensors from Sudco, they were just Daaichi in a Sudco labeled package.  It was about 2 or 3 years ago.
+1
Happened when i ordered stuff for my 350F.
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'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…"
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