Join Date: Nov 2007
Thanked 3 Times in 3 Posts
Feedback Score: 1 reviews
Abnormal electrical power drain with engine running
First track day of the season with my 2007 CBR600RR today. I have a total loss system (no generator) with a brand new 9,2 Ah battery. I can normally run about 40-45 mins on this battery.
I have just installed a Acumen DG8 gear indicator and a Starlane Stealth-2 lap timer and power to the Bazzaz Z-fi from the black/ red wire from the kill switch.
The 2 first 20 min sessions went well, the bike running perfect. Charging the battery was quick, with 3-4 A charging current. On the third session, the quick shifter stopped working after about 6-7 minutes, then the gear indicator, the instrument panel and the engine started to stutter. I just made it into the pit before the bike stopped with flat battery.
I charged the battery again to 13V and left the bike for 45 minutes with ignition on, with gear indicator and lap timer on. Voltage was 12.7V afterwards, so not a huge drain. So I went out for session 4 and the same happened after less than 10 minutes.
I have checked all cables and connections and found no visible damage. I tried to disconnect the quick shifter, but no improvement.
I'm thinking that the difference between bike with ignition on and engine running, is the fuel pump and ignition system. I'm open to all ideas about cause of the problem, how to test and troubleshoot etc. I'm scheduled for a new track day again tomorrow and need help urgently!