Where to buy individual valve shims? - Page 2 - Yamaha R6 Forum: YZF-R6 Forums
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post #11 of 25 (permalink) Old 07-13-2012, 05:43 PM
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Re: Where to buy individual valve shims?

I am sure that the one in the bike are not all the same size. I have found that I can usually swap some around to get a few of them in spec, so you don't have to get all 16. Just gotta do some measurin' and math.

I try to go to the fat end of the spec, personally for two reasons.

1. Valve lash tends to tighten up over time, not get bigger. This is mainly due to the valve pounding its way into the seat....and

2. I was told by one of the mechanics for Vance and Hines that they found that adjusting them loose got a small but measurable HP bump in the FZR600's they used to run. Now, bear in mind that this was a long time ago, and I never tested this out myself on a dyno (back to back comparisons and such), but I can say that all my FZR400's ran pretty strong compared to my competition.

Regardless, reason #1 has always been enough for me to continue what I was already doing.


Bottom line: If I were you, I would try to adjust all 16 valves according to your measurements.



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post #12 of 25 (permalink) Old 11-28-2012, 03:08 AM
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Re: Where to buy individual valve shims?

sub

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post #13 of 25 (permalink) Old 11-28-2012, 05:19 AM
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Re: Where to buy individual valve shims?

Quote:
Originally Posted by 8Ball View Post
I try to go to the fat end of the spec, personally for two reasons.

1. Valve lash tends to tighten up over time, not get bigger. This is mainly due to the valve pounding its way into the seat....and

2. I was told by one of the mechanics for Vance and Hines that they found that adjusting them loose got a small but measurable HP bump in the FZR600's they used to run. Now, bear in mind that this was a long time ago, and I never tested this out myself on a dyno (back to back comparisons and such), but I can say that all my FZR400's ran pretty strong compared to my competition.
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post #14 of 25 (permalink) Old 11-28-2012, 02:14 PM
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Re: Where to buy individual valve shims?

I saw in the manual that is says to replace timing chain guide, is it a must if its still in good condition? Im getting ready to do a valve adjustment, im just trying to get all the parts first and seeing what I can save on.

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post #15 of 25 (permalink) Old 11-28-2012, 02:42 PM Thread Starter
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post #16 of 25 (permalink) Old 11-28-2012, 03:39 PM
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Re: Where to buy individual valve shims?

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Mine looked bout new so I reused them


How did the valve adjustment go for you? Anything I really need to look out for?

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post #17 of 25 (permalink) Old 11-28-2012, 03:55 PM Thread Starter
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Just take your time and measure twice. if you run into any issues let me know and ill help you out.

Go fast parts:
Pipercross race filter, Leo sbk slip on, 05 header mod, pcv, bauce racing ecu flash, agg smog block offs, quick turn throttle, 520 rk gxw chain -1-1 renthal sprockets, ebc hh pads
, Shorai battery.

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post #18 of 25 (permalink) Old 11-28-2012, 09:37 PM
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Re: Where to buy individual valve shims?

Some shops are really cool and will trade your shims for the size you need.

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post #19 of 25 (permalink) Old 11-28-2012, 10:17 PM
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Re: Where to buy individual valve shims?

Yea, I had heard about that. I just gonna play it safe tho and go with the kit. http://www.procycle.us/bikepages/r6-r1.html

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post #20 of 25 (permalink) Old 11-29-2012, 08:12 AM
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Re: Where to buy individual valve shims?



Sub'd for the good info!
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