Training Wheel Hero
Join Date: Jun 2014
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2005 CBR-600RR Intermittent Starting Problem
About a week ago, my 2005 CBR-600RR just refused to start after sitting in a parking lot for about 15 minutes while I was running an errand. When I pressed the starter, the starter relay clicked once, but the starter didn't work. I walked to my office to scrounge tools, but when I got back to the bike two hours later, it started fine.
Then a couple days later, it wouldn't start when I was about to leave work. I verified the battery voltage (12.78-12.90 volts [gel battery]), and checked out the starter relay. The relay closed the circuit with the frame when I hit the starter, and the voltage was the same as the battery voltage, suggesting that the starter motor wasn't drawing any current. I ended up push starting the bike, which worked fine.
Since then, I have noticed that pushing the bike forward in top gear about 10 feet sometimes allows the starter motor to work normally.
I tried to take the starter motor out to take it apart and look for problems. I tried to do so without first taking apart the fuel and cooling systems, which still took all day. I finally got the starter motor unbolted, but it was still trapped in the bike by fuel and coolant hoses, so I verified all the electrical connections and re-installed it.
So, where do I go from here? I don't have a garage to leave the bike in overnight in a disassembled state, and it is my only transportation, so my options are limited. I will get two consecutive days off in about four weeks, so I might drain the cooling and fuel systems and pull the starter properly then. But are there other possibilities I'm missing?
I looked back over about two years of posts here, and saw about a dozen posts similar to mine. But not one of them posted a resolution!