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Old 05-07-2009, 09:47 PM   #1
dinkster07
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Default 1985 V65 Sabre died

Anybody got a clue why when doing 65mph all the electric would just shut off on the bike and then the motor stop? Turn the key and there's nothing. Main fuse link isn't blown, nor are any of the other fuses. Can you get me pointed in the right direction at any rate? Thanks.
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Old 05-07-2009, 10:01 PM   #2
The_AirHawk
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Start by cleaning and checking every connector on the bike, and all your battery connections, including grounds. I would almost bet that you'll find the problem in the connector/wiring behind the main fuse, or possibly in the keyswitch. A manual with a wiring-diagram might be useful.

Good Luck
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Old 05-08-2009, 04:23 AM   #3
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Sounds like a fuse blew. Now to figure out why..........
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Old 05-08-2009, 06:05 AM   #4
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Quote:
Originally Posted by dinkster07 View Post
Anybody got a clue why when doing 65mph all the electric would just shut off on the bike and then the motor stop? Turn the key and there's nothing. Main fuse link isn't blown, nor are any of the other fuses. Can you get me pointed in the right direction at any rate? Thanks.
I had a bike that did that because of a faulty kill switch on the kickstand. At speed the stand would move enough to trigger the switch. Another guy I knew had a similar issue with the kill switch on the handlebar, but he never knew when it was going to go flakey on him.
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Old 05-08-2009, 06:53 AM   #5
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One more maduraheap off the road.
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Old 05-08-2009, 01:08 PM   #6
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Check the connector between the stator and regulator/rectifier, it is most likely melted. Sabres, mine included were notorious for that.
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Old 05-08-2009, 09:09 PM   #7
dinkster07
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Not sure what a maduraheap is, but I take it that was a slam. Dude...I don't even know you and my Sabre's been an awesome bike no matter what your bad experiences have been.

That said...sarnali, are you talking between the alternator and the rectifier or the starter relay and the rectifier? The connector plugging right into the starter relay is melted real bad as is the wire insulation on all the wires attached to it. I have to clean all that up, but the connections still showed good. I haven't looked at any connections to the alternator.

The thing is, when the ignition switch (not the kill switch) is turned on, there is absolutely no power, but all the fuses (including the main) are good. I should get lights and digital speedometer lighting up when the ignition switch is turned to the ON position. I'm going to take it apart and see if anything is wrong with it. Thanks for the advice.
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Old 05-09-2009, 01:49 AM   #8
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Quote:
Originally Posted by dinkster07 View Post
Not sure what a maduraheap is, but I take it that was a slam. Dude...I don't even know you and my Sabre's been an awesome bike no matter what your bad experiences have been.
Don't think anything of it - it's been a running joke around here the last week or so, nothing is intended by the reference.

Quote:
That said...sarnali, are you talking between the alternator and the rectifier or the starter relay and the rectifier? The connector plugging right into the starter relay is melted real bad as is the wire insulation on all the wires attached to it. I have to clean all that up, but the connections still showed good. I haven't looked at any connections to the alternator.
THAT sounds like a good starting-point. An obviously melted connector indicates a high-resistance point. Even if it "tests" good, the fact is something is wrong in there.
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Old 05-09-2009, 07:01 AM   #9
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The bike is 24 years old right? The insulation on the wiring is aging and is beginning to crack in places. The wires at the switch just probably finally broke through the insulation and shorted out.

These bike were never intended by Honda to last more than a few years. No particular attention is placed on the quality of the wiring when they build these things. You need to inspect you wiring harness carefully for cracking.
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Old 05-09-2009, 10:35 AM   #10
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Thanks y'all...I'll let you know what I find.
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