Cam chain or valve clearance noise - Triumph675.Net Forums
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post #1 of 13 Old 06-22-20, 04:45 Thread Starter
Mikereed675
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Cam chain or valve clearance noise

Hi I have a 09 Daytona 675 13k miles but it sounds like Roy castle is tap dancing in the engine, itís sounds like the cam chain also noises from the front of engine, behind headers region, could the cam chain and valve clearances need attention at this mileage? Would appreciate your comments or advice on this please mike
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post #2 of 13 Old 06-22-20, 10:52
MaDgamEr
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I'd check the valves, cam chain and tensioner should be plenty good at such an early mileage. You'll be able to tell if it's the tensioner by the wear (should barely be any) on the chain guides and chain by measureing for any stretch.

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post #3 of 13 Old 06-22-20, 11:14 Thread Starter
Mikereed675
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Thanks for replying how do I check chain for stretch please ?
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post #4 of 13 Old 06-22-20, 13:50
MaDgamEr
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With the chain removed, hang it with a 13kg weight on it and then measure across 23 links as below. Max measurement is 149.48mm across 23 links.

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post #5 of 13 Old 06-23-20, 03:02
manxkiwi
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Could just be the SAI Reed valves in the rocker cover. They make a tapping/ticking sound, more in some motors than others.
All things being equal, I wouldn't think the valves need checking yet. Also way early for CC issues. Just my thoughts, hope it's my suggestion and not a more major thing. Cheers.
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post #6 of 13 Old 06-23-20, 03:55 Thread Starter
Mikereed675
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Hi thanks for replying I think it could be a garage job as my skills are limited I was hoping 🙏🏻for an easier fix😂. Thanks mike I appreciate your help
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post #7 of 13 Old 06-23-20, 04:05 Thread Starter
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Thanks for replying I hope itís what you suggest the Noise does come from that area 🙏🏻 I have read Daytonaís can be quick noisy? I know you say CC is to young but could the tensioner be weak or faulty ? Accounting for the noise in that area ? i appreciate your help mike
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post #8 of 13 Old 06-23-20, 07:26
MaDgamEr
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675 motors aren't very noisy, at least not compared to the kawi and suzuki motors I have experienced.

09 I believe you have the newer hydraulic tensioner which can be noisy for the first few seconds the motor runs after sitting unused for a several days, but quiets down very quickly once the oil pressure builds up.

If you had a faulty tensioner, it would be quite loud. Maybe post a video clip. If this is your first 675 motor and you have little experience with other sport bike motors to compare to, chances are you're overthinking it.

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post #9 of 13 Old 06-23-20, 09:18 Thread Starter
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Thanks for reply it does still sound tappy (If thatís a word😀 ) when engine is warm, I will try to record a video of bike from cold and warm, I understand itís hard to diagnose issues over the internet but I really appreciate your advice and I probably am over thinking it 🙏🏻
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post #10 of 13 Old 06-29-20, 20:25
MaDgamEr
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Not sure if this will help, but this is my 2011 D675 on a cold start after sitting for a week... You'll hear the initial racket from the hydraulic tensioner for a few seconds and then it smooths out.

https://1drv.ms/v/s!AqMxSGLu8Gxeiz07_Pn1ux7buyOq

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