Hard to keep running on cold starts - Honda Rebel Forum
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post #1 of 13 Old 04-19-2019, 01:48 PM Thread Starter
 
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Hard to keep running on cold starts

I've tried the choke full, half, and 1/3. It fires very quickly and idles fast as I would expect and desire, but just for a
few seconds,
then it dies? Is there something wrong w/the enrichment circuit that is not letting it stay at the fast idle until the choke is turned off?

Anyone NOT use their choke to start? I'm in FL, thought I may try that next time?

George Penick
2004 Rebel 250
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post #2 of 13 Old 04-19-2019, 02:38 PM
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It varies from bike to bike. When it was warm, the first two I had didn't need any choke, and I know of others with the same experience. The current bike needs it every time, but no more than about 1/2 way. Any more will kill it, and less than 1/3 won't work. It's finnicky about how much to use.

Keepin' all the left over parts. Gonna use 'em to build another bike!

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post #3 of 13 Old 04-19-2019, 10:57 PM Thread Starter
 
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Well I've been experimenting, thought the 1/3 was right, then after it sat 2 days, it didnt want to stay running. Was hoping there was some method to keep that enrichener ON- cant understand why it works but just a a couple of seconds. Guessing the cable is the only adj- but not sure that will help. I played with it after a ride and the full choke sped up the idle, but again for just a second. Same thing at half choke. Will try a NO CHOKE start next, but I am getting unhappy with this............especially since it lights off so quickly and sounds so good- until that choke quicks supplying more fuel.

George Penick
2004 Rebel 250
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post #4 of 13 Old 04-20-2019, 04:42 AM
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Every Rebel I've had did not like having the choke adjusted once the engine started. Moving it in either direction was pretty much guaranteed to kill it and would require a restart after adjusting the lever.

Since it is starting, the problem may not be in the fuel enrichment circuit.

Keepin' all the left over parts. Gonna use 'em to build another bike!

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
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post #5 of 13 Old 04-20-2019, 09:27 AM Thread Starter
 
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"Since it is starting, the problem may not be in the fuel enrichment circuit"
I wondered that too, but it warms up pretty fast- say maybe less than a minute and I can take off w/no lurching, and, it seems to run perfectly then- no bogs, no hesitation, steady acceleration. ???????

George Penick
2004 Rebel 250
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post #6 of 13 Old 04-20-2019, 10:51 AM
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When it starts with the enricher on, can you give it any throttle after its run for say 10 seconds or so?

Keepin' all the left over parts. Gonna use 'em to build another bike!

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
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post #7 of 13 Old 04-23-2019, 07:44 PM
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Sounds pretty standard especially when really cold. Full choke, I just keep turning it over and over until it finally muddles along, It then takes another three minutes or so before it it finally begins to operate normally. Like most Texans, it doesn't like the cold.
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post #8 of 13 Old 04-23-2019, 08:24 PM Thread Starter
 
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Started it yesterday w/NO choke and it did ok, but I was still very careful- holding it just above idle for 30 seconds or so. Yes, I have tried to give it a little gas just when the fast idle stops ( 2-3 seconds) but as some others here have said, seems like if you touch the gas when the choke is on, the engine usually dies. I did the 1/3 choke a couple of days and thought thats IT, but then it sat for2-3 days and it didnt like that set up, so I had to keep cranking/trying different openings.

George Penick
2004 Rebel 250
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post #9 of 13 Old 04-23-2019, 09:19 PM
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Did you ever ride it long enough to set the idle?

Keepin' all the left over parts. Gonna use 'em to build another bike!

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
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post #10 of 13 Old 04-24-2019, 07:58 AM
 
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On mine, when trying to find the 'minimum' enricher setting for the day.....if I set the enricher too low it will start and die after a sec or three. trying 2 or 3 times with some more enricher each time usually gets me up to the 'minimum' amount of enricher needed and it will sustain idle till warm.

Though I've never had it not start and idle if I'm giving it full enricher.

2009 Honda Rebel 250; 2009 Honda Shadow 750 Spirit
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