1500 stalls when hot. - Honda Goldwing Forums
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post #1 of 32 (permalink) Old 07-12-2019, 02:37 AM Thread Starter
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1500 stalls when hot.

Here goes the story......Colin's 1996 Goldwing has been having an idle problem for awhile now when the motor warms up a bit. The motor would be idling and then drop the RPMS and miss fires. Then Colin said that it would die on him at the lights and I remember a story about the Engine Coolant Temperature Sensor 'ECTS' that could give the symptoms like a vacuum leak. So when the engine died I thought it would be more likely to be the Engine Coolant Temperature Sensor. Colin ordered a new ECTS and replace it to find that the problem is still there.

Now we have worked out that when the Electric Cooling Fans kicks in at idle the motor die's. So I still think that it is an electrical problem. We tried to see if pulling the plug off the sensor for the fans would help. But it made no difference. Is there another sensor that could kill the bike electrically?

When all else fails.......... use a hammer!
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post #2 of 32 (permalink) Old 07-12-2019, 03:14 AM
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how old is the battery?
does the battery maintain voltage when it starts to stall?
is there corrosion on the terminals?
what about the fans? does one have a short?
i have heard of some ignition coils failing to spark when they get hot.


just my thoughts.


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post #3 of 32 (permalink) Old 07-12-2019, 09:32 AM
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I this is a new one to me Eric.
Does it restart right away.???

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post #4 of 32 (permalink) Old 07-12-2019, 12:50 PM
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sounds like a voltage drop to the ignition

When the alternator starts charging harder... it will load the engine more, that would make the problem worse.

Could be the alternator is marginal at low rpms along with marginal coils, what kind of rpms does the engine run at idle otherwise.... should be 750-800. Might just need to step up the idle speed.

I would wire up some sort of volt meter.... and see if you can duplicate the problem.

I know on my 1800 I can watch the volts change while setting at a stop light with the turn signals going.

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post #5 of 32 (permalink) Old 07-12-2019, 05:22 PM Thread Starter
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There has been so development on this last night. I said to Colin that we had to isolate the problem down to it being either electrical or carbs. So I said to run the bike until it is hot and starts to miss fire, then give it a hit of start ya bastard and if the miss fire goes away it is carbs. The miss fire went away. So I think it is the carbs.

Colin is a bit scared to pull the carbs and I am not there to help......how hard are they to do?

When all else fails.......... use a hammer!
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post #6 of 32 (permalink) Old 07-13-2019, 05:58 AM
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They are not hard to do mate, but you have to dig into the belly of the beast. Also if he's in that deep then he may as well change vaccum lines.

I will search through my old threads when I get back from breakfast and post a link that will help guide him.

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post #7 of 32 (permalink) Old 07-13-2019, 06:16 AM
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Here you go Eric. Send this link to Colin and you can guide him along.


Take a look at the top left and you will see different tabs for the process.


http://www.jmartino.me/carb/index.htm



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post #8 of 32 (permalink) Old 07-13-2019, 06:51 AM Thread Starter
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Thanks Bill. We will be on the road all day tomorrow. I will get that off to Colin tomorrow night when I get home.

When all else fails.......... use a hammer!
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post #9 of 32 (permalink) Old 07-13-2019, 10:30 AM
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Eric; I just reread this and it kind of sounds like what happen right after we got back from Wyoming last year. I rode into Sumas and when I pulledup to the Post office it quit and would not start. Went inside and took care of business when I was ready to leave it started right up. Rode over Jeff's house and it died when I rolled into his driveway it died again. After it set for a while, I check the battery it was right around 11 volts, it started up again but the voltage started to drop, bring the rpms to around 2000 the voltage came back to around 11volts but would drop off as soon as i let the rpms drop. Turns out it was the Alternator was not working very well. New Alternator solved the problem.

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post #10 of 32 (permalink) Old 07-23-2019, 09:50 AM
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Any update on this to report?

grab all the kicks you can baby, you only make this scene once!
current rides: '09 GL1800AD "SENSHI"; 2003 RVT1000r (RC51) track bike... certified m/c addict. IDMWT #12. GWRRA #028890
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