Cane is in pain! ( funky electrial problem )
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Cane is in pain! ( funky electrial problem ) - 7/8/2007 7:26:50 AM
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mikeshandssay
Posts: 45
Joined: 3/5/2007
From: Pennsylvania, USA
Status: offline
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Mer... FF crashed so this is the abridged version...
~3 months ago: Died while idling, wouldn’t start, battery was too weak (and old). Pop start to get home.
replaced batt.
~1 month ago: Died while riding, engine just turned off, full power, engine just died.
Pulled over, started and went again.
200ft later engine shut off while in gear, promptly pop started me at 30 mph. WEEEEEEEEeeee!
~Yesterday: Engine shut off while at a light. Bike wouldn't start, just a click when I hit the starter button. Called my friends, they came 20 min later. Tried again, bike started right up.
In the last 2 cases I've had a volt metere on the bike and I was doing highway riding and it was reading ~15v so I'm pretty sure the batt is not the problem.
Only mods I have are upgraded bulbs to the sylvania H4's. I'd like to think they are the problem, but I can't think of why.
It's important to note that the engine just TURNED off, nothing else. I've changed plugs recently and they were very very clean.
I could understand maybe a bad spark module or something that turns the bike OFF, but the last time, the starter would engage/work?
Can starters mis-mesh and maybe me moving the bike around trying to pop start moved the fly wheel?
Kinda at a loss here, tried searching, but I have no idea what it could be so my search didn't go far.
I don't wanna get stranded again! (Temporarily)
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RE: Cane is in pain! ( funky electrial problem ) - 7/8/2007 7:39:40 AM
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R1000
Posts: 1128
Joined: 1/30/2006
From: Sweden
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If the voltage was as high as 15 VDC the R/R can have started to give up.
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RE: Cane is in pain! ( funky electrial problem ) - 7/8/2007 8:11:49 AM
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R1000
Posts: 1128
Joined: 1/30/2006
From: Sweden
Status: offline
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R/R = Regulator/Rectifier that is located on the left side of the rear frame under the Tupperware. 15.2 Volt is way too much and will eat batteries. Check that the meter you have onboard reads correct by comparing it with a more reliable one like a handheld. I don't say the one you have is bad, but check to be sure.
Also check the connector to the R/R, if it has began to get very dark and even melt, you have found the problem, i.e that the R/R is out. I cant say for sure that the R/R is causing the problem for you, there is a lot of connectors in the bike that can cause trouble. The most important that can fail may be the connector from the pulse generator, that is located on the left rear of the gasoline tank, it is a 2-pole connector.
Linky: http://www.vlc.com.au/~justin/about/bikes/honda/dead_reg.html
< Message edited by R1000 -- 7/8/2007 8:32:48 AM >
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RE: Cane is in pain! ( funky electrial problem ) - 7/8/2007 8:54:44 AM
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mikeshandssay
Posts: 45
Joined: 3/5/2007
From: Pennsylvania, USA
Status: offline
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I just checked the connectors in the left rear frame(RR and indicator relay), and they seem fine. Even had some dielectric grease on them :). Well the RR at least.
I check the voltage at the batt and .... ~15.3v while at 3k RPM and 12v while idle.
Can the R/R go bad even though it looks perfectly fine?
I'll check the pulse generator in a bit.
< Message edited by mikeshandssay -- 7/8/2007 9:02:45 AM >
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RE: Cane is in pain! ( funky electrial problem ) - 7/8/2007 9:22:28 AM
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R1000
Posts: 1128
Joined: 1/30/2006
From: Sweden
Status: offline
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Yes the internals can go bad without beeing visible from outside. It is when there is a full short circuit that the connectors will burn. Is the 15.3 V measured with a independent voltmeter that you feel is reliable? 15.3 is really bad and will boil the battery in no-time. I cant beleive the R/R to be OK with that high voltage, unless the ground connection between battery and frame or grounding of R/R to frame is bad.
Also, check up the connections around the starter relay, remove check and clean them (right side above the coolant reservoir).
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RE: Cane is in pain! ( funky electrial problem ) - 7/8/2007 9:53:44 AM
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mikeshandssay
Posts: 45
Joined: 3/5/2007
From: Pennsylvania, USA
Status: offline
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Yes, a Fluke multi meter.
It is also about 93F outside right now, IDK if that has anything to do with the high temps. I checked the ground and it too seemed to be great.
I will keep you posted on what I find. I have electrical cleaner so that might help.
Yeah, the 15.3v is kinda scary. I mean CLEANING things and getting better contacts will lower the voltage...? If anything I thought it would just lower the resistance....
Can you reccmoned a RR replacement that isn't Honda?
94' Cane.
Thanks!
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RE: Cane is in pain! ( funky electrial problem ) - 7/8/2007 10:12:21 AM
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R1000
Posts: 1128
Joined: 1/30/2006
From: Sweden
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The proposal for cleaning is more a preventive thing and I suspected that some of your engine stops was caused by a bad circuit since it died and more or less was possible to get running very soon after, maybe I misunderstood this. In case you know the new battery has been down at all occasions, the problem definitly point to the R/R, or...maybe that the stator begins to shorten but that is not likely since it provides more than full voltage when you test. Measure the resistance between the yellow pairs and to ground, you see that in a nearby thread. Yes lowering the reistance will give less voltage drop and thats not something you really want for the moment. I would try to go the same route as the author to this page. http://www.vlc.com.au/~justin/about/bikes/honda/reg_replace.html In case it shows your R/R wasn't bad after all, you will at least have a unit that is very reliable and is cheaper than the Honda R/R, at least here in Sweden.
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Printable Version
. If there are different R1 R/R's, I've read that R1 -99 R/R have been sucessfully used on Hondas, but they may also all be the same.
