Bike runs weird! - Honda Rebel Forum
 
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post #1 of 7 Old 01-13-2020, 06:32 PM Thread Starter
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Bike runs weird!

I've been riding around in my 97 250 for a couple months now, and have had it for a couple years. After I stored it for a year it seems it's health has started to decline a little. Last month I rebuilt the carb and changed the air filter and battery hoping that would fix what was going on. Sometimes it rides great and sometimes awful. I've been running it with the choke slightly on. Last week it felt like it coughed something up and didn't need the help from the choke. Here's what's going on now...
High beams dont work
Will turn over, but won't start sometimes(like it never ignites(
Sometimes dies while riding
Not sure if this means anything, but blowing in the spark plug boots helps getting it to start

I am the worst mechanic and am still learning, but this bike is what gets me around right now.... Barely
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post #2 of 7 Old 01-13-2020, 07:19 PM
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Having to run with the choke on is a sign the carb is dirty, and may be why it has trouble starting.

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 #3 of 7 Old 01-13-2020, 10:04 PM Thread Starter
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I did fully clean and rebuild the carb after pulling it out it from storage
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post #4 of 7 Old 01-14-2020, 12:51 AM
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Did you drain the gas from the carb before storing it? If not, the carb probably developed gum and varnish. How did you clean the carb, spray cleaner from a can, soaking in Berryman's Chem Dip, or in an ultrasonic cleaner? The first doesn't work on anything but minor dirt, the second may need multiple extended soakings, and the third does it in one pass.

Again, "Having to run with the choke on is a sign the carb is dirty, and may be why it has trouble starting."

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

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
Putting your bike year and model in your signature helps others help you!
Here's how: https://www.hondarebelforum.com/f19/...re-121087.html
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post #5 of 7 Old 02-02-2020, 12:51 PM
 
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Your carb is not completely clean, or you do not have it adjusted correctly If you remove it again, boil the body in water for about 15 minutes, then blow out all passages with carb cleaner, followed by compressed air. That will remove any gum in the passages. Probably your problem.

tabaka45
2004 CMX 250 C Rebel--for the fun of it
2001 Honda 750 ACE--for the long rides
2004 Honda Aero 750 (Wife)--what can I say
1985 Yamaha XJ 700--for the old times
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post #6 of 7 Old 02-02-2020, 01:45 PM
 
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I'd get a new battery first, if that doesn't make a difference in the running then it'll probably be a clogged fuel tap, that's what happened to me like two weeks ago. I had cleaned the carb and my electrical problems went away with the new battery but my bike would cut out and refuse to start again, and it would run like doggy do when it did run. After a few minutes it would cut out and not turn on again. Mine was made in 1996 and has been on the road since 97, on and off.

Check the fuel tap by turning it "off" pulling the rubber hose off it and then switching it to "on" with a little jug to catch fuel.. if the fuel doesn't flow like your household sink's tap then it's clogged up in there. Mine wouldn't flow at all unless I shook it like a ragdoll.

The branded Keihin fuel taps on these european models here are crap, they can't be disassembled. However, you can still pull them out the tank and blast the internal filter (straw looking thing) through with carb cleaner. That did the trick for me, no issues since. You'll see a bunch of crud in the straw, dunno where it came from in mine cuz the tank is pristine when you shine a torch in there. To be expected though since it rolled out the factory some 24 years ago.

Interestingly enough I did leave the bike sitting for a month or two this winter, that was probably enough to let any crud floating in the fuel to settle at the bottom and stick to the fuel tap assembly

1997 Honda CA125 Rebel
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post #7 of 7 Old 02-02-2020, 03:51 PM
 
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Quote:
Originally Posted by Lordracula View Post
I'd get a new battery first,
Rebel ignition power is totally independent of battery and charging system..
The Rebel will run without a battery though it's hard on the voltage regulator/rectifier and may cause it to fail..

96 VS800 Intruder (sold 2018 ), 87 CMX250C Rebel,
79 CB400 Hawk (sold 93), 75 CB350 (sold 83), 71 CB350 (stolen 74)
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