Is this supposed to be here? (hole in pregen airbox)

Insan3guy · July 13th, 2013, 01:18 PM

So I'm doing the carbs while I have a couple days off, and I figured that I'd clean up the bike a bit. I was cleaning out the airbox (just using air and a rag, didn't want to take the chance on a chemical that might eat the plastic), and I found a strange hole... It looks drilled, but I'm really not sure whether or not it's supposed to be there?

It's on the left section of the box(looked for one on the right, none there); looking at it from the left side, it's on the bottom right. I'll attach some pics.

Also, if it's /not/ designed like that, what can be used to plug it? I have some ABS cement left over from a fairing repair, would that be okay to use?

Thanks in advance!

fishdip · July 13th, 2013, 01:22 PM

I think its a drain hole as mine also has the same hole.

Insan3guy · July 13th, 2013, 01:24 PM

thanks for the fast reply!

Yeah, I figured that since it already had a drain hose it shouldn't have any more holes in it. Oh well

Thanks!

FvnnyL3tt3r1ng · July 13th, 2013, 01:39 PM

Mine has the hole!

jayman87 · July 14th, 2013, 10:06 PM

Mine has that too. Oil started leaking out of it and dripping down the side of the bike. I couldn't figured out where that was coming from for a min. Found it and plugged it with some Permatex. I hope that was the right thing to do. Or more so that it doesn't cause problems.

Insan3guy · July 14th, 2013, 10:09 PM

If it's there from the manufacturer I can only assume it's important to the operation of the bike.
Oil coming out of it is probably to keep that same oil from going somewhere more important, like the carbs

baxtc1 · July 15th, 2013, 02:19 AM

Quote:

Originally Posted by jayman87

Mine has that too. Oil started leaking out of it and dripping down the side of the bike. I couldn't figured out where that was coming from for a min. Found it and plugged it with some Permatex. I hope that was the right thing to do. Or more so that it doesn't cause problems.

Too much oil in your filter? As it drips down and pools in the bottom, there is a convenient little hole for it to drain through.

fishdip · July 15th, 2013, 02:25 AM

I was thinking it was for water to drain out if it enters from the top of the box.

baxtc1 · July 15th, 2013, 02:33 AM

Quote:

Originally Posted by fishdip

I was thinking it was for water to drain out if it enters from the top of the box.

Correct.

jayman87 · July 15th, 2013, 04:14 PM

Quote:

Originally Posted by Insan3guy

If it's there from the manufacturer I can only assume it's important to the operation of the bike.
Oil coming out of it is probably to keep that same oil from going somewhere more important, like the carbs

Quote:

Originally Posted by baxtc1

Too much oil in your filter? As it drips down and pools in the bottom, there is a convenient little hole for it to drain through.

I thought that's what the hose in the front of the airbox was for. Not the crank case breather but the little hose with the plug. I make sure to check that often after I clean and oil my filter, but the last time it I guess I didn't check it enough. Every time I came back to the bike, more oil was leaking. I was leaving oil stains everywhere so I plugged it. The comment about the water drainage makes me nervous though. I don't think anything could reach the carbs but it would definitely reach the crankcase.

baxtc1 · July 15th, 2013, 04:34 PM

The hose at the lower front of the airbox is to drain any oil/condensate that builds up in your airbox, mostly from your crankcase breathing. The hole before the filter is there to drain any water that might get into the air inlet before the filter. If you get a little generous with oiling your filter (read, too much oil), the oil will drain down from the filter due to gravity, some of that oil will drain through the hole. That hole is before the filter so is not considered an air leak, the drain hose at the front lower of the airbox should be kept plugged to maintain the seal of the airbox and to prevent allowing unfiltered air into your engine. The crankcase breather hose should be connected to the crankcase and airbox for the same reason.
If you have oil running from that hole, you probably have too much oil on your filter.
Re-reading your post, is the oil coming from the hose or the hole near the filter? If it is from the hose you may have excessive breathing from your engine, or too high an oil level.

July 13th, 2013, 01:22 PM	#2
fishdip ninjette.org certified postwhore Name: Fish Location: co Join Date: Apr 2013 Motorcycle(s): 250/300 Posts: A lot.	I think its a drain hole as mine also has the same hole. __________________________________________________ Hey Unregistered never go faster than your brakes can be applied...

July 15th, 2013, 02:25 AM	#8
fishdip ninjette.org certified postwhore Name: Fish Location: co Join Date: Apr 2013 Motorcycle(s): 250/300 Posts: A lot.	I was thinking it was for water to drain out if it enters from the top of the box. __________________________________________________ Hey Unregistered never go faster than your brakes can be applied...

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July 13th, 2013, 01:24 PM	#3
Insan3guy ninjette.org member Name: Patrick Location: Coronado, CA Join Date: Jun 2013 Motorcycle(s): 2015 zx6r Posts: 176	thanks for the fast reply! Yeah, I figured that since it already had a drain hose it shouldn't have any more holes in it. Oh well Thanks!

July 13th, 2013, 01:39 PM	#4
FvnnyL3tt3r1ng ninjette.org certified postwhore Name: Justin Location: Florida Join Date: Aug 2012 Motorcycle(s): Ninja 250 2001 Posts: A lot.	Mine has the hole!

July 14th, 2013, 10:06 PM	#5
jayman87 ninjette.org member Name: Jaeson Location: Philadelphia Join Date: Feb 2012 Motorcycle(s): 2007 ninja ex250 Posts: 56	Mine has that too. Oil started leaking out of it and dripping down the side of the bike. I couldn't figured out where that was coming from for a min. Found it and plugged it with some Permatex. I hope that was the right thing to do. Or more so that it doesn't cause problems.

July 14th, 2013, 10:09 PM	#6
Insan3guy ninjette.org member Name: Patrick Location: Coronado, CA Join Date: Jun 2013 Motorcycle(s): 2015 zx6r Posts: 176	If it's there from the manufacturer I can only assume it's important to the operation of the bike. Oil coming out of it is probably to keep that same oil from going somewhere more important, like the carbs

July 15th, 2013, 04:34 PM	#11
baxtc1 ninjette.org member Name: Robert Location: South of you blokes. Join Date: May 2013 Motorcycle(s): '92 GPX 250 (Gone and replaced with '08 V-Strom), 2005 Suzuki C50. Posts: 186	The hose at the lower front of the airbox is to drain any oil/condensate that builds up in your airbox, mostly from your crankcase breathing. The hole before the filter is there to drain any water that might get into the air inlet before the filter. If you get a little generous with oiling your filter (read, too much oil), the oil will drain down from the filter due to gravity, some of that oil will drain through the hole. That hole is before the filter so is not considered an air leak, the drain hose at the front lower of the airbox should be kept plugged to maintain the seal of the airbox and to prevent allowing unfiltered air into your engine. The crankcase breather hose should be connected to the crankcase and airbox for the same reason. If you have oil running from that hole, you probably have too much oil on your filter. Re-reading your post, is the oil coming from the hose or the hole near the filter? If it is from the hose you may have excessive breathing from your engine, or too high an oil level.