CBR600F4i Ticking

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06-17-2010 | 12:20 AM

azntaimishu

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Joined: Apr 2008

Posts: 6

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From:

CBR600F4i Ticking

Bike Information:

Honda CBR 600 F4i 2006
Akrapovic Full System Exhuast
16k Miles

Problem Information:

What:

Metal ticking sound. constant frequency at about 300Hz (i.e. relatively fast).

Location:

Appears to be originating from front of engine block, around valves or exhaust ports

When:

Rarely at idle, quiet at 2k, increasing in volume at 4.5k, drowned out by engine noise above 5k.
Louder if engine is under load due to a decrease in regular engine noise.

Checked:

Valve clearance checked
Checked screws for looseness
CCTL replaced with OEM (100% sure it's not this)
Replaced Oil Pump Drive chain
Replaced timing chain

Sounds similar to the problem another rider was having on this thread:
https://cbrforum.com/forum/general-tech-9/engine-lifter-noise-107549/

Thank you for your help and cooperation.

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06-19-2010 | 08:54 AM

stretch_the_apex

Senior Member

Joined: Oct 2009

Posts: 309

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From: Lake Geneva Wisconsin

could have bad exhaust gaskets i had a 2000 f4 with that similar sound and it ended up bein the exhaust gaskets where worn down and one of them was even rattling which caused that ticking sound at certain rpms

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