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My bike won't start
- Thread starter ScorpioCBR16
- Start date
ScorpioCBR16
Well-known member
silent_vik
Well-known member
hope you got a battery tender after this or getting it soon.. it makes life easier
ScorpioCBR16
Well-known member
ScorpioCBR16
Well-known member
tried to start my bike today and it wont start nothing happened the FI light kept blinking for a bit then nothing else happened. im not sure if its a battery now or what and now i have a gear shifting problem it wont shift to first and sometimes gets stuck shifting to 2nd :S
mindactivated
Well-known member
Based on your earlier posts, your battery is close to dead. Charge your battery to full, get a multi meter to test the voltage of your battery as well.
Example of a battery charger: http://www.canadiantire.ca/AST/browse/4/Auto/3/Batteries/BatteryChargers/PRD~0111517P/MotoMaster+Eliminator+Intelligent+Battery+Charger+6A%2B4A%2B2A.jsp?locale=en
Example of a multi meter: http://www.canadiantire.ca/AST/browse/3/HouseHome/2/Electrical/ElectricalTesters/PRDOVR~0520060P/Mastercraft+Digital+Multimeter.jsp?locale=en
Since it's a small battery, trickle charge it over night. Test the charge, use youtube to figure out how to test batteries.
Once bike works, go wheelie it down the street in a show of triumph.
ScorpioCBR16
Well-known member
a battery is a battery. there are no specific chargers for cbrs.
You may want to get a trickle charger though. If your battery won't hold a charge, you might just have to get a new battery altogether.
edit: oh i see that link is to a trickle charger... there you go. that will work to charge it.
You may want to get a trickle charger though. If your battery won't hold a charge, you might just have to get a new battery altogether.
edit: oh i see that link is to a trickle charger... there you go. that will work to charge it.
ScorpioCBR16
Well-known member
the person i bought the bike from is coming to check it today and hopefully he will be able to fix it. i just started i dont want to go through all that hassel to just ride 
the person i bought the bike from is coming to check it today and hopefully he will be able to fix it. i just started i dont want to go through all that hassel to just ride
Wow, good for the seller to do it for you - very nice of him/her. However consider learning a bit about your bike - just basic maintenance and understanding how bike works, it will go a long way for your riding skills and confidence level. I do understand that some people just want to ride but trust me - when you know a bit more about the bike it is much more rewarding experience, don't rob yourself of it
Hey Scorpio,
I own the same type of bike (2008 CBR125) and I had the same kind of problem. I think the batteries these bikes come with are just extremely low capacity and have to be maintained when the bike is not used for a while. For me, it was 1 week between when I received the bike and when I went to ride it for the first time, and in that week of sitting without use the battery died. So I purchased a trickle charger (same one as in the link above) and charged it overnight and it was OK. (NOTE: only use the 2A setting on that charger. Bike batteries can't be charged at the higher current settings used for cars; it could damage the battery, not charge it faster).
In the next few weeks, I generally only rode the bike about 30 minutes per week and so the battery again spent lots of time discharging, and although I recharged it every week I think the constant long periods of not being used have permanently reduced my battery's life. Now it only holds charge for 2-3 days before needing to be recharged, and it looks like I'll have to get a new one (I might be able to get it replaced under warranty, since it is actually a new battery purchased by the bike's last owner). So I think the main point is that if you're not using the bike for a few days or a week, it's better to plug it in. I'm not sure if all bikes of this model have this problem or not though, or if mine has an electrical issue that is draining the battery.
Hope that helps,
Al
I own the same type of bike (2008 CBR125) and I had the same kind of problem. I think the batteries these bikes come with are just extremely low capacity and have to be maintained when the bike is not used for a while. For me, it was 1 week between when I received the bike and when I went to ride it for the first time, and in that week of sitting without use the battery died. So I purchased a trickle charger (same one as in the link above) and charged it overnight and it was OK. (NOTE: only use the 2A setting on that charger. Bike batteries can't be charged at the higher current settings used for cars; it could damage the battery, not charge it faster).
In the next few weeks, I generally only rode the bike about 30 minutes per week and so the battery again spent lots of time discharging, and although I recharged it every week I think the constant long periods of not being used have permanently reduced my battery's life. Now it only holds charge for 2-3 days before needing to be recharged, and it looks like I'll have to get a new one (I might be able to get it replaced under warranty, since it is actually a new battery purchased by the bike's last owner). So I think the main point is that if you're not using the bike for a few days or a week, it's better to plug it in. I'm not sure if all bikes of this model have this problem or not though, or if mine has an electrical issue that is draining the battery.
Hope that helps,
Al
ScorpioCBR16
Well-known member
Ya I didn't ride it for a week but I used to go check it and turn it on but not ride so maybe that drained the battery. I will try to charge it and see if it works for a couple of days or longer. If not then I will have to change it too. I probably drained it and so it needs more charge. I also got a problem with the gear shifting did that happen with u?
ScorpioCBR16
Well-known member
Ya its very nice of him. Im trying to learn more about it and read the manual if the battery wont charge I will change it myself it's not hard from what I read in the manual
Wow, good for the seller to do it for you - very nice of him/her. However consider learning a bit about your bike - just basic maintenance and understanding how bike works, it will go a long way for your riding skills and confidence level. I do understand that some people just want to ride but trust me - when you know a bit more about the bike it is much more rewarding experience, don't rob yourself of it
That bike uses a sealed maintenance-free battery. I've left mine sit for months at a time (over winter) and it started right up in the spring.
It sounds like your battery is done, and will need to be replaced. Once that happens, a few things to remember.
Make sure your charging system works. With a digital multimeter across the battery terminals, start the engine and run it in neutral at 5000 rpm or more. Should be 14.5 +/- 0.3 volts across the battery terminals. This indicates that the charging system is operating properly. (If the charging system is not charging the battery, the battery will run out.)
The alternator on that bike is very small. Small engine, small alternator. It will not develop enough power to properly charge the battery until 5000 rpm or more. So if you are repeatedly starting the engine and only idling it, the battery will eventually run out. Don't do that. If you are puttering around in a parking lot at low engine speeds, same thing. Once you start really riding the bike, keeping the revs above 5000 is a normal occurrence and you need not pay attention to it. The engine has to be kept well above that during normal riding anyway. Might be an issue if you are puttering around in a parking lot while learning how to ride. Keep the revs up.
If you start the engine and only run it for a short period and stop it, and do this repeatedly, the alternator will not have enough time to recharge the battery properly. Again, not a problem during normal riding. Might be an issue if you are learning to ride in a parking lot.
I put over 40,000 km on one of those bikes and it had the original battery in it when I sold it to Wheelieboy, who is riding it now, and I don't think he has had to change it. Mind you, keeping the revs up is not an issue with either of us riding that bike ...
It sounds like your battery is done, and will need to be replaced. Once that happens, a few things to remember.
Make sure your charging system works. With a digital multimeter across the battery terminals, start the engine and run it in neutral at 5000 rpm or more. Should be 14.5 +/- 0.3 volts across the battery terminals. This indicates that the charging system is operating properly. (If the charging system is not charging the battery, the battery will run out.)
The alternator on that bike is very small. Small engine, small alternator. It will not develop enough power to properly charge the battery until 5000 rpm or more. So if you are repeatedly starting the engine and only idling it, the battery will eventually run out. Don't do that. If you are puttering around in a parking lot at low engine speeds, same thing. Once you start really riding the bike, keeping the revs above 5000 is a normal occurrence and you need not pay attention to it. The engine has to be kept well above that during normal riding anyway. Might be an issue if you are puttering around in a parking lot while learning how to ride. Keep the revs up.
If you start the engine and only run it for a short period and stop it, and do this repeatedly, the alternator will not have enough time to recharge the battery properly. Again, not a problem during normal riding. Might be an issue if you are learning to ride in a parking lot.
I put over 40,000 km on one of those bikes and it had the original battery in it when I sold it to Wheelieboy, who is riding it now, and I don't think he has had to change it. Mind you, keeping the revs up is not an issue with either of us riding that bike ...
silent_vik
Well-known member
dont do that. thats what drained your battery.
what i would do now... charge the battery fully. ride the bike. preferebally, over 5krpm like Brian said for a longish ride. if the battery drains again, your battery is shot. get a new battery.
D-3vil
Well-known member
I've got one bike that I don't ride that often (the Triumph)... it's normally sleeping in the garage, always connected to a battery tender (this one).
Once you've drained your battery a few times, it is usually shot due to the degree of sulphation inside. Some chargers will lightly de-sulphate a battery, but this works a lot better as a preventative rather than a reactive measure.
Bottom line: even if you charge your battery up again, it will likely only function at a decreased capacity.
I'd recommend getting a new one (e.g. the $60 YTZ7S at www.saskbattery.com) and buying the CTEK charger when it goes on sale for under $50 (it does so several times a year). In the meantime, only start your bike if you're going to ride it.
Once you've drained your battery a few times, it is usually shot due to the degree of sulphation inside. Some chargers will lightly de-sulphate a battery, but this works a lot better as a preventative rather than a reactive measure.
Bottom line: even if you charge your battery up again, it will likely only function at a decreased capacity.
I'd recommend getting a new one (e.g. the $60 YTZ7S at www.saskbattery.com) and buying the CTEK charger when it goes on sale for under $50 (it does so several times a year). In the meantime, only start your bike if you're going to ride it.
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ScorpioCBR16
Well-known member
thanks for ur reply ya i wont start my bike unless im riding im gonna buy a new battery just incase it wont start again then get the charger for the winter
cbcanada
Banned
make sure you are not leaving your bike in park with the rear light on... not sure if that bike has it?
dont start the bike unless you are going to ride it. running the bike at idle does not charge the battery.
also eventually you spark plugs will be carboned up. cuz every time you start the plugs are dirtied up and when the bike runs at operating temp. the plugs clean themselves. and then you wint be able to start your bike cuz of that.
start it when you are going to ride it and leave it on the charger otherwise.
dont start the bike unless you are going to ride it. running the bike at idle does not charge the battery.
also eventually you spark plugs will be carboned up. cuz every time you start the plugs are dirtied up and when the bike runs at operating temp. the plugs clean themselves. and then you wint be able to start your bike cuz of that.
start it when you are going to ride it and leave it on the charger otherwise.
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stuartmark578
Banned
Kill switch in the "off" position accidentally (do you normally use it?), clutch switch, starter button, etc.
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