CBR 600F4 1999 - 2000 Honda CBR 600F4 Forum

Engine noise?

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Old 03-18-2012, 10:05 PM
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Default Engine noise?

How noisy are these engines supposed to be? I feel like my engine has a ticking noise at around 4k+ under a load. I don't notice it if I'm just revving, but while riding I start to hear it around 4k+ getting loudest around 5.5K. From sitting atop the bike, it seems like its from the upper engine area.

I can equate it to sounding like lifter tick in a car engine. The P.O. put a manual CCT on. Could this be an indication that it needs to be adjusted?
 
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Old 03-19-2012, 01:00 PM
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Originally Posted by armyjeffries
...The P.O. put a manual CCT on. Could this be an indication that it needs to be adjusted?
Probably. If it were valve ticking, you'd most likely hear it more often.
 
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Old 03-20-2012, 09:34 PM
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OK, any tips from those that have put the manual CCT on, on how to adjust it? I moved the tank, but I can't get on the jam nut for anything! I'm seriously considering getting the "updated" auto CCT and just replacing it!!
 
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Old 03-21-2012, 02:59 PM
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Its not the a manual CCT isn't easily adjusted but if you're not a wrencher, the factory CCT is the way to go.

There are some CCT 'tutorial' installs here on the forum. A search should turn them up.
 
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Old 03-22-2012, 12:41 PM
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Originally Posted by gotcbr
Its not the a manual CCT isn't easily adjusted but if you're not a wrencher, the factory CCT is the way to go.

There are some CCT 'tutorial' installs here on the forum. A search should turn them up.
Thanks. I gave up one day, then went at it the next. I finally got it with a stubby 9/16 12pt box wrench, and had to squeeze my hand in under the subframe and over the swingarm, then feed the wrench in from the top down to my hand! lol.

I am a wrencher. Currently employed with the Indiana State Police as the district fleet mechanic. Also worked at two dealerships, and have ASE certifications. I just have virtually no experience with motorcycles, but I figure they pretty much work the same? Luckily I am a small guy (about 5'7" and 140lbs) and have relatively small hands, making working on a small bike a little easier.

Anyway, got the CCT tightened (went about 1 1/2 turns) and still had a noise. Upon restarting it, it dragged a little (i think I over tightened, so I backed it back off another 1/4 - 1/2 turn.). End of story is that I'm pretty sure I got it adjusted correctly, but still have a ticking noise. Guess I'll have to make time over a weekend to check the valve clearance. The P.O. allegedly checked it at the end of the season last year, but I have to verification that it was done/ done correctly. If they are out of spec, does that need to be adjusted at a shop, or can I get shims from somewhere?
 
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