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Old 12-21-2007, 12:29 PM   #21
Greenway Smokey
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Quote:
Originally Posted by pigpen View Post
As some others have mentioned, a little water shouldnt hurt - some forced induction cars (including my previous Z28) use water injection for intake air temp cooling. I'd imagine your engine would stop firing, before you ran into hydrolock issues.
is that like water meth injection? I know peeps in the VW club doing it.
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Old 12-21-2007, 12:31 PM   #22
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My street tracker has K&N pod filters. They are fairly protected when it rains but washing is a different story.
If I'm not careful it is hard to start and runs crappy for a few minutes. I think it will be OK if you are cautious and keep in mind that it's exposed.
Look at it this way...
If it were a REALLY bad idea, we would all know not to do it. Since that isn't the case, it'll be alright.
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Old 12-21-2007, 11:32 PM   #23
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Quote:
Originally Posted by Greenway Smokey View Post
is that like water meth injection? I know peeps in the VW club doing it.
Yep, pretty much the same purpose and delivery, 'cept the meth or alky is also an additional fuel source.
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Old 12-21-2007, 11:41 PM   #24
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i have rode home about an hour in pouring rain with 4 exposed k&n filters no problems then or now
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Old 12-23-2007, 01:55 PM   #25
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Water would cause a hydrolock with in excess; otherwise a small amount, vapor, etc will likely burn up and go out the cylinder. We're not talking continuous riding for extended periods of time w/ water in the intake; like a t-engine w water injection valves.

The reason the bikes ran funny when raining is because the air is restricted by the wet mesh or cotton in the filter. That changes the map of your bike and will peg it rich due to restriction of flow. If you're bike runs an h02 system w closed loop, it may be able to adjust for a little; but also more prone to set an FI light.

Remember most FI bikes use only MAP and throttle position w/ rpm to determine fuel. So if throttle is greater percentage w/ less MAP pressure then CPU used to seeing, the controller will likely run w the MAP values which would cause the bike to be sluggish. On a carburated setup, you simply won't have air flow over the venturi, stalling or loupy idle and lessened acceleration until it warms up.

Find a dry spot, pop off the filter, start up bike and use exhaust to dry it off.... jk....
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Old 12-23-2007, 03:25 PM   #26
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