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post #1 of 13 Old 05-15-2017, 11:24 PM Thread Starter
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Valve Clearance

Hi there.. just wondering.. what is the trigger point for us to do Valve Clearance to our Z1k? .. Any preferred mileage?

Thanks.


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post #2 of 13 Old 05-16-2017, 07:17 AM
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I wouldn't mess with it unless you're having running issues. Go by what the FSM suggests.

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post #3 of 13 Old 05-16-2017, 07:21 AM
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I just downloaded an owners manual and it suggests every 15k miles. Unless you're running the bike really hard I wouldn't worry with it that frequently. 3Bones just did his and he has some decent mileage on his bike and only 2 needed adjusted IIRC.

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post #4 of 13 Old 05-17-2017, 12:45 AM Thread Starter
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Originally Posted by 92K1500 View Post
I just downloaded an owners manual and it suggests every 15k miles. Unless you're running the bike really hard I wouldn't worry with it that frequently. 3Bones just did his and he has some decent mileage on his bike and only 2 needed adjusted IIRC.
thanks bro.. some of my friend did asked to follow as per the manual says.. but some of them not recommended me to do that unless my bike got some tappet / shims noise during cruising.
they said once we've done VC, u'r bike will no longer get the default factory setting. my mileage is already 37k miles but so far never heard any tappet/shims noise yet.


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post #5 of 13 Old 05-17-2017, 06:56 AM
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With that many miles it wouldn't hurt because you probably have a couple out of spec. Not critical but it can't hurt anything to look.

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post #6 of 13 Old 05-17-2017, 08:26 AM
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You actually want the tappet shim noise....

Not hearing noise is an issue. The correct spec is a small amount of play. Not play, how about clearance?

When you have zero clearance, it will be quiet, and thats not what you are after.

Its actually backwards of what they are telling you.

When they wear, they dont loosen up. The setting gets tighter. You typically change shims to give more clearance, not less. There is always an exception, but this is normally how the adjustment would work.
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post #7 of 13 Old 05-17-2017, 09:09 AM
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I have valve train noise on my 2015, has had it since new. I assumed they were solid type lifters which would explain it.
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post #8 of 13 Old 05-17-2017, 09:44 AM
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We finally got the valves checked on my son's 03 at 39,000 miles. EVERY valve was out of spec. Ran much better after the job was done.


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post #9 of 13 Old 05-17-2017, 10:05 AM
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Originally Posted by GreenHornet2 View Post
I have valve train noise on my 2015, has had it since new. I assumed they were solid type lifters which would explain it.
We dont really have anything called a lifter.

The cam directly opens the valve.

In a way, that shim is your lifter. It sits under a bucket, and its thickness determines how much clearance there is.
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post #10 of 13 Old 05-17-2017, 10:42 AM
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Ok, so solid system which is what I assumed. Anything solid you should have some noise. I hear it at idle plenty. Don't hear it while riding.
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