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Quick PVLIR Question & K&N

Old 11-09-2012, 01:34 PM
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Quick PVLIR Question & K&N

Love the search function. It's been a godsend for everything thus far! From Valve clearance checks to Manual CCT replacement. One thing however is the PVLIR. I've had the damn thing connected on the "bottom" nipple for the past month and put about ~20 miles on it.

While casually reading the forum I stumbled on the PVLIR and the various issues it has caused users.

Question: Why have I not noticed any obvious issues from having the PVLIR attached incorrectly and what purpose does the PVLIR serve? I read each post when searching PVLIR and all I could find was an answer as to where it should be connected and the issues it was causing by being incorrectly attached.

Needless to say I will fix this as soon as I get home.

Some mods which may have a factor:
DynoJet Stage 1
K&N air filter
Indigo Full exhaust

I would also like to point out this bike runs very well considering it has the dreaded "K&N." The previous owner did not inform me of the Jet Kit or the K&N (I discovered these mods myself) He admitted to honestly knowing nothing about the bike when purchased from the original owner.

There is some "lurching" during take-off up to ~ 2k rpm. Revving the engine higher before releasing the clutch fixes the issue but is hardly comfortable.

I have not serviced the carbs as I am waiting to see how the performance changes with the installation of an OEM air filter.

Last edited by WhOrD; 11-09-2012 at 01:36 PM.
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Old 11-09-2012, 01:49 PM
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The line is for the vacuum actuated petcock. If you noticed no difference then the petcock is more than likely sticking open.

Running well is all a matter of what you will put up with but IMHO the bike should not lurch during take off.
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Old 11-09-2012, 04:19 PM
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My petcock is sticking. HAH! Well, good to know! Another part to add to the order!
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Old 11-12-2012, 02:10 PM
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Originally Posted by VTRsurfer View Post
And check out 8541hawk's Carb Setup thread.
Already have it printed out. I feel so honored you both commented on the post!

After a few weeks of reading, it's obvious who the major contributors are...buncha forum trolls!
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