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Author Topic: died out on the road  (Read 5370 times)

zombie

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died out on the road
« on: May 31, 2009, 09:10:08 PM »
after loseing 3 cdi boxes in the past year i thought it was another. i found you can order custom cdi's from Suitai dirrectly (custom programed) to your specs. (cheaper than the so called race units on the net). i installed it and found i still have insufficant spark (i can hold the high tension lead, and it feels like a 9 volt batt. on your tounge). the only parts left are the stator assem. and the coil. does anyone KNOW the resistance values of good patrs to trouble shoot mine. Like always... Thanks in advance. Zombie
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Shaka

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Re: died out on the road
« Reply #1 on: July 10, 2009, 02:30:14 AM »
If you still need the electrical specs, this is from the service manual.  Hope it helps!

SPECIFICATIONS SC10AS
Capacity 12V3AH
Voltage 13.0􀁀 13.2V
Charging Standard 0.4A/10H
Battery
current Quick 4A/0.5H
Spark plug (NGK) BR8HSA
Spark plug gap 0.6􀁀 0.7mm
Primary coil 0.153􀁀 0.187Ω
Secondary coil
Ignition coil resistance (with plug cap) 6.99􀁀 10.21KΩ
Secondary coil
(without plug cap) 3.24􀁀 3.96KΩ
Pulser coil resistance (20􀄊 ) 80􀁀 160Ω
Ignition timing 15.5°±2°BTDC/2000rpm
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zombie

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Re: died out on the road
« Reply #2 on: July 15, 2009, 02:48:07 AM »
thanks shaka, Its been awhile since i fooled w/ it. installed a new cdi, new coil, and had weak spark. installed a used stator, and get excl. spark, but no start. the plug is getting fuel, i feel like chubbyrockstar. no sense to this one. gonna look at the crank seal under the variator. one day all is well, the next gets shot to hell! I will post when i figure this one out
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wordslinger

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Re: died out on the road
« Reply #3 on: July 16, 2009, 01:03:14 AM »
...died out on the road...

..mine did..my drive belt broke....luckily, I was less than 2 miles from home...the previous day...I was 55 miles from home at one point...
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Shaka

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Re: died out on the road
« Reply #4 on: July 16, 2009, 01:25:02 AM »
Check the voltage regulator also.  When mine went I thought it was the CDI.
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zombie

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Re: died out on the road
« Reply #5 on: July 18, 2009, 12:23:31 AM »
Thanks shaka, I didn't think to look at it! In another post I described how to use a cordless drill to crank the engine. I'll try it tomorrow to se what voltage i have.
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Shaka

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Re: died out on the road
« Reply #6 on: July 18, 2009, 12:29:50 AM »
Haha, I killed a cordless drill doing that on a pocket awhile back!
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zombie

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Re: died out on the road
« Reply #7 on: July 18, 2009, 12:34:43 AM »
hey shaka, everything in moderation dude. I think I can spin just long enough to get a positive +12v or some kind of a.c. reading
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Shaka

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Re: died out on the road
« Reply #8 on: July 18, 2009, 01:13:15 AM »
If you have a volt meter you can just take the regulator out and test it.  I just replaced mine, again.  The brand new one I got didn't quite test to the specs I have in the service manual, but it was a lot closer.  I could look it up and post it if you'd like?
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zombie

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Re: died out on the road
« Reply #9 on: July 19, 2009, 02:19:56 AM »
Yeah man, I would need to know which leads to test for the diode bridge, that will help alot!  Thanks
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Shaka

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Re: died out on the road
« Reply #10 on: July 19, 2009, 03:40:48 AM »
I'll get it posted tomorrow.
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Shaka

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Re: died out on the road
« Reply #11 on: July 21, 2009, 01:01:05 AM »
Ok, so i'm having to use my phone so i can't copy the cool little table. I'll try and explain it. The positive on the bottom left and the neg on the top left should be between 3 and 10 ohms. Either polarity on the top and bottom right should be between 33 and 35 ohms. Like i said before even my new one didn't quite measure 33-35, i think it was 28. My bad ones were in the teens though! Hope this helps!
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zombie

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Re: died out on the road
« Reply #12 on: July 21, 2009, 01:30:27 AM »
Thanks man, It dosen't make sense to me though.I was thinking the regulator was acuatally a rectifier. Meaning there should be a diode test for it . I'll give it a try, and sure appriceiate the help. will keep posting.
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Shaka

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Re: died out on the road
« Reply #13 on: July 21, 2009, 06:48:42 PM »
The regulator is the rectifier. It's under the front panel. A little square box with cooling fins and a 4 wire connector. There are also resistors next to it. I replaced those too. Although i don't think those in bad very often.
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zombie

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Re: died out on the road
« Reply #14 on: July 22, 2009, 01:35:00 AM »
You know shaka, I thought the regulator was ONLY for chargeing the batt. I've had other bikes w/ bad regulators, and continued to run them. I'm not doubting you, just trying to figure how... I haven't looked at it yet for the restistance check, but will try to get to it tomorrow. It would sure be nice to get it running as I am currently riding a '78 honda express. Cool little bike but I miss my scoot. Thanks for the help Bro.
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