A knocking clanking noise!?
So I have just purchaced a 99 real cheap, needed some tlc but seems to have turned out good. I drove it for a few days and seemed great but today I started it and reved the motor to about 4000 rpms and when it came back down at idle it would clank/knock sometimes loud sometimes not so loud and would do it for a sec or two and stop. It didnt do this evertime i reved it but was pretty regular about it. Maybe cct? what else would do this?
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I would pull the top covers so I could get to the cams and check the slack in thetiming chains just to alleviate any concern. Does it have manual or OEM CCTs?
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Originally Posted by RWhisen
(Post 295505)
I would pull the top covers so I could get to the cams and check the slack in thetiming chains just to alleviate any concern. Does it have manual or OEM CCTs?
Also could just be a loud clutch. Put it in neutral and pull in the clutch lever to see if sound goes away... |
carb fart?
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to my knowlede they are the cct are oem. it was in neutral when i did it but i will pull the clutch to see if it changes anything. Im not familiar with bikes if I would have heard this in a car i would be like F:mad: but i have read alot of the stuff on here seems like the stuff on this motor require it to be just right............... would a carb fart be that loud?
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Ok so I just fired up the bike and it instantly made the noise and did not stop when i pulled in the clutch. I turned it off and started it agian and it didnt make any noise, stopped it started agian and made the noise this entire time it didnt run smooth at all
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Only one way to find out what is going on - download the workshop manual from the knowledge base section of the forum, check the valve timing and clearances, and strip/clean the carbs while you're in there (replace the pilot jets - it's easier than trying to clean them).
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Sounds like a CCT going out. You might not want to run it until you find out what the problem really is.
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Originally Posted by 8541Hawk
(Post 295558)
Sounds like a CCT going out. You might not want to run it until you find out what the problem really is.
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So with some tinkering I the rear cylinder is missing would this cause the noise as well? I still need to check the front and even if the chain seems fine i am still going to replace the tensioners. the cru's seem the same but cheaper should i jsut be safe and go with apes? and thanx for all the input
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I would go with manual CCTs anyway and yes a dead cylinder may cause some noises like that. Pull up the tank and check your plumbing coming off the petcock.
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does it sound like this? YouTube - VTR1000f Superhawk idle problem
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I was about to say can you record it?
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Originally Posted by RWhisen
(Post 295562)
+1
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Possibly the front carb slide clacking. Filling a lift hole fixes this.
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Guys, this thread is from 2011. These guys have long since moved on.
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