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Honda CBR 600: Discussion of the Honda CBR 600F1, Honda CBR 600F2, Honda CBR 600F3, Honda CBR 600F4, Honda CBR 600F4i, and Honda CBR 600RR Motorcycles.
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Random engine power loss?!

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Old 07-15-2009, 1:54 PM
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Random engine power loss?!

The other day I was riding on a back road at 35 mph at around 5,000 rpm, not pushing it at all when all of a sudden I had a huge engine power loss then after a couple of seconds the engine cut off. I pulled over started it and the engine will not hold idle without opening the throttle half way. The idle is very choppy almost like a cylinder is not working. Any ideas what this could be?

Thanks

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Old 07-15-2009, 4:01 PM
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Re: Random engine power loss?!

I would check first to see if all 4 cyl have spark...
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Old 07-15-2009, 4:31 PM
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Re: Random engine power loss?!

They all do have spark. Also there is a slight knocking sound. Just to let you know this all happened at once as if something broke. The bike was running great up until that point, so I don't have a clue.
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Old 07-15-2009, 4:36 PM
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Re: Random engine power loss?!

Quote:
Originally Posted by jamesfs912 View Post
They all do have spark. Also there is a slight knocking sound. Just to let you know this all happened at once as if something broke. The bike was running great up until that point, so I don't have a clue.
Can you tell where the knocking is coming from?

I'm wondering if the timing has slipped -
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Old 07-15-2009, 4:41 PM
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Re: Random engine power loss?!

The knocking is coming more from the front of the bike.
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Old 07-21-2009, 6:28 PM
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Re: Random engine power loss?!

So I took the bike to the shop and they replaced the chain tensionor. On the way home the bike ran great until I pulled up to a light and when I let out the clutch the engine was running really rough. The bike stalled out, I started it back up and it was still running rough with little engine power. So I gave a lot of throttle to get it out of traffic, then when I pulled to the side the bike acted like nothing gone wrong. Any suggestions? Thanks
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Old 07-21-2009, 9:40 PM
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Re: Random engine power loss?!

Nevermind, found problem
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Old 07-21-2009, 9:41 PM
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Re: Random engine power loss?!

What was the problem
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Old 07-21-2009, 9:50 PM
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Re: Random engine power loss?!

Fuel line was kinked
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