Hey there, first post and a bit of a rookie in the repairs department, go easy on me!
Was wondering if anyone can help me diagnose an interesting issue with a CBR I picked up recently.
The Symptoms
This morning I turned her on, started pretty-a-ok, let her run up to temp and then headed to work.
Was driving for about 15 minutes, then stalled her at the lights (2nd time on the bike ).
Tried to start her again, but had to wheel her onto the footpath and bumpstart.
She did turn over, maybe once, and quite slowly, sounds like the battery was just not giving her any juice.
Once she was running, I drove the remaining 2 minutes to work, turned her off in the carpark, then tried to turn her on and start, but same story, no crank.
EDIT: Went out to show the colleague the new toy, about 2 hours after turning her off. Wasn't sure she would start again, but she did. Almost wondering if it's more about
something heat related after running under load....Weird that it didnt start after being turned off, but given time popped back to life.
I had this happen when filling her up with petrol on the way home from purchasing her on Sunday too so I thought I'd take a look at the battery health.
Battery Investigation
Whipped out the multimeter, turned the bike on and let her run up to 70c.
While running she had about 13.x volts.
Turned the bike off, and she dropped to 12.8v
2 minutes later -> 12.5v
4 minutes later -> 12.42v
7 minutes later -> 12.40v
17 minutes later -> 12.37v
30 minutes later -> 12.33v
At the 30 minute mark, I turned the key to On, and the voltage dropped to ~11.5v, a bit low for my liking
She still started up being that low, and after running for a few seconds jumped back up to 12.37v.
And of course, being yesterday I tested this, she turned on fine this morning, I didn't grab a voltage reading.
===
It's looking more like it's an issue after running, heat perhaps? Any words of advice on what to check, or if the numbers gathered about the battery yesterday are helpful / concerning?
Thanks in advance!
Bookmarks