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2004 cbr 600 f4i wont start

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Old Sep 15, 2009 | 08:52 AM
  #11  
n0chi's Avatar
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From: Boston, MA
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Originally Posted by F4ith
You'd have to replace the rectifier. Try to charge the battery, then start the bike and check the voltage with a voltage meter. If it's slowly dropping, it's the rectifier.

These symptoms are exactly the same as my F2 and I found out it was a rectifier problem. I bought a brand new battery, fully charged, put it in the bike and it ran fine. A week later, the lights turned on but engine wouldn't start. The bad rectifier basically drained the battery while it was off. After I replaced it, it ran perfectly fine.

Lol and if you're still stuck in neutral, try rolling the bike forward and changing gears at the same time.

Thats what I think will happen if i get a new battery, as right now... my lights are fine, but my bike doesn't turn on. Also if it was just a charge issue, I would think putting the trickle charger on for 2 hours would hold the charge a lot longer than just one night - right?

Quick Question: how do i actually remove the battery from the battery casing? should I just be able to life it out or is there some screw / some technique?
 

Last edited by n0chi; Sep 15, 2009 at 04:21 PM.
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Old Sep 17, 2009 | 08:36 AM
  #12  
chrias's Avatar
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The battery should slide right up. You may have to wiggle it a bit.

I pretty much have the same issue except my bike doesn't start once it warms up and I have to let it sit for at least 20 mins before it fires up or I have to bump start it.

When I hit the starter button it barely cranks and just stops then everything resets (clock and trip odometer). Sometimes it will start with the starter button if bump starting doesn't work when it's rolling. But all this happens only when the bike gets warm.

Starting in the morning or if it's been sitting at least 20 - 30 mins (depending on the weather) is not an issue.

So I'm debating whether to change the battery or rectifier first.
 
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