KLR 650 Airbox Drain Positions - Kawasaki KLR 650 Forum
2008+ KLR650 Wrenching & Mod Questions For repair, maintaining or modifying discussions related to the newly updated 2008 and beyond, Generation 2 KLR650 Motorcycle.

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post #1 of 8 Old 12-17-2018, 01:31 AM Thread Starter
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Arrow KLR 650 Airbox Drain Positions

Here's a final version of that diagram.


Last edited by Tom Schmitz; 12-18-2018 at 03:10 AM.
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post #2 of 8 Old 12-19-2018, 09:15 AM
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Wonder what would happen if one put a PCV valve in the hose connected to Point # 3, above?

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post #3 of 8 Old 12-19-2018, 10:53 AM
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Wonder what would happen if one put a PCV valve in the hose connected to Point # 3, above?

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post #4 of 8 Old 12-19-2018, 12:38 PM Thread Starter
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I'm curious about what that would doÖ can you explain what you have in mind?
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post #5 of 8 Old 12-19-2018, 01:50 PM
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....it would do nothing....but that doesn't stop Damocles from gleefully bringing it up so we can all agree it does nothing.

Cheers,
Dave
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post #6 of 8 Old 12-19-2018, 02:55 PM
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I'm curious about what that would do… can you explain what you have in mind?
Bit of an "inside" joke (which Dave "gets!").

With nothing to do, search, "PCV Valve Mod."

The implantation of a check valve in the crankcase vent line was SUPPOSED to deliver increased power, better fuel economy, decreased oil consumption, enhanced ring seating, improved engine compression braking, and . . . a few more advantages I've forgotten. (Purported operational mechanism: Consequent vacuum in crankcase responsible for all improvements; flaw (among others, maybe); no crankcase vacuum (air pressure lower than ambient) ever measured, except momentarily during severe deceleration.)

Thus, as Dave says above . . . the PCV valve did NOTHING measurably constructive!

Yet . . . the mode was fiercely defended by certain True Believers.

Perhaps the PCV Valve Mod isn't the only modification wanting a, "leap of faith!"

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post #7 of 8 Old 12-20-2018, 01:25 PM
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Wonder what would happen if one put a PCV valve in the hose connected to Point # 3, above?

I donít even need to look outside to know that half of the country is suffering in the grips of winter.
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post #8 of 8 Old 12-27-2018, 09:21 AM
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Quote:
Originally Posted by Damocles View Post
Bit of an "inside" joke (which Dave "gets!").

With nothing to do, search, "PCV Valve Mod."

The implantation of a check valve in the crankcase vent line was SUPPOSED to deliver increased power, better fuel economy, decreased oil consumption, enhanced ring seating, improved engine compression braking, and . . . a few more advantages I've forgotten. (Purported operational mechanism: Consequent vacuum in crankcase responsible for all improvements; flaw (among others, maybe); no crankcase vacuum (air pressure lower than ambient) ever measured, except momentarily during severe deceleration.)

Thus, as Dave says above . . . the PCV valve did NOTHING measurably constructive!

Yet . . . the mode was fiercely defended by certain True Believers.

Perhaps the PCV Valve Mod isn't the only modification wanting a, "leap of faith!"

X files issue.... the truth is out there, I want to believe
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