Help! Rebel losing power?? - Honda Rebel 300 & 500 Forum
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post #1 of 22 (permalink) Old 05-19-2019, 12:18 PM Thread Starter
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Help! Rebel losing power??

I have a Honda rebel 2018 300. My battery died on it, I'm assuming that I left my aftermarket LED glow lights on by accident. I use a trickle charger to charge it up to 25% or so roughly, and then I started it and let it idle for 5 minutes and took it out for a ride. As I was riding between first through third gears, the bike would lung Forward and backwards, as if it was losing power.

I stopped, and now I have it idling and it is fine. I'm afraid to ride it again, not sure if the battery is just not fully charged or if it is losing power or has a loose connection or something.

Help!

2018 Honda Rebel 300 ABS
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post #2 of 22 (permalink) Old 05-19-2019, 12:41 PM
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You answered your own question already, you charged it to roughly 25% then went out for a ride.

Draining a battery to zero or a very low level can lead to battery damage in some cases.
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post #3 of 22 (permalink) Old 05-19-2019, 04:31 PM
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A motorcycle needs a fully charged battery to run. It's not like a car where you can jump it and as long as the alternator is good it will run even without a battery. After your battery is back to full you should be ok. On a side note it's always a good idea to add accessories after the ignition side of the power block to avoid this.
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post #4 of 22 (permalink) Old 08-29-2019, 09:10 PM
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My 2018 Rebel 500 has started doing that "power loss lunging thing" too only its intermittent. Scary as **** at high speed or on a curve. I only have 3700 miles and have never run my battery down. The shop is having a hard time figuring it out because they cannot duplicate it at will. I have no mods, either.

Its VERY frustrating
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post #5 of 22 (permalink) Old 08-30-2019, 07:51 AM
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Originally Posted by sheduntno View Post
My 2018 Rebel 500 has started doing that "power loss lunging thing" too only its intermittent. Scary as **** at high speed or on a curve. I only have 3700 miles and have never run my battery down. The shop is having a hard time figuring it out because they cannot duplicate it at will. I have no mods, either.

Its VERY frustrating
sounds like a fuel line

2016 Rebel 500 non ABS
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post #6 of 22 (permalink) Old 08-30-2019, 04:36 PM
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Look for corroded electrical connections. A possibility that I have experienced (not Rebel)..
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Just do it! (I did: 2017 Rebel 500; 2014 MT-07)
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post #7 of 22 (permalink) Old 08-30-2019, 05:45 PM
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Could be a little water in the gas, give it a dose of Heet.

Only a fool would attempt it, and God help me, I am that fool.

2018 Rebel 500
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post #8 of 22 (permalink) Old 08-31-2019, 09:31 PM
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Could be a little water in the gas, give it a dose of Heet.
Torch?
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post #9 of 22 (permalink) Old 08-31-2019, 09:44 PM
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HEET, gas line antifreeze and water remover. Any auto parts store will have it.
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Only a fool would attempt it, and God help me, I am that fool.

2018 Rebel 500
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post #10 of 22 (permalink) Old 09-01-2019, 09:05 AM
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I don't know if water is your problem, but water can get into your bike's gas tank in a number of ways, but the most common is by condensation. If you've allowed your motorcycle to sit for a period of time in cooler weather with a half-full or nearly empty gas tank, you've created conditions for condensation to form inside the tank. Always keep them full of gas when parked for a few days.
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Only a fool would attempt it, and God help me, I am that fool.

2018 Rebel 500

Last edited by R80rt; 09-01-2019 at 09:10 AM.
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