small oil leak, need advice Small odd hole! - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 25 (permalink) Old 10-05-2008, 02:06 PM Thread Starter
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small oil leak, need advice Small odd hole!

Here is a segmented photo to help identify what your looking at. It is kinda close up. The hole I'm currious about I think oil is coming from. My question is, is it supposed to be plugged? I thought oil was coming from the crank vent hose (not labeled) But I'm suspecting this hole. Any help here? Thanks.

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post #2 of 25 (permalink) Old 10-05-2008, 02:35 PM
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I believe that is a drain hole from the spark plug tube.
if you put some water in the spark tube you will see it drain out of that hole.
If you have oil leaking from that hole it is the spark tube leaking, not a hard fix, just unscrew it and apply sealent to the threads.
Other people will chime in soon.

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post #3 of 25 (permalink) Old 10-05-2008, 03:07 PM
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Yep, drain hole. And it looks like there's a couple o-rings on those spark plug tubes:

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post #4 of 25 (permalink) Old 10-06-2008, 08:35 AM
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Yeah, what they said.
I think it was Insured Disaster who had the same problem. Ended up plugging it, then found out it was the drain for the plug well.
Just replacing the O-rings should fix the leak.


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post #5 of 25 (permalink) Old 10-06-2008, 10:29 AM Thread Starter
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I plugged the hole for $#!*'s & giggles. After the ride home today I'll know for sure. Seems like it is the "oil culprate". Obviously if it's a drain I can't leave it plugged. My spark plug doesn't know how to swim. I'll coat the threads with the high temp black gasket.
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post #6 of 25 (permalink) Old 10-06-2008, 10:31 AM
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Quote:
Originally Posted by kanuck69 View Post
Obviously if it's a drain I can't leave it plugged. My spark plug doesn't know how to swim.
LMAO!
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post #7 of 25 (permalink) Old 10-11-2008, 10:13 AM
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is this leak mainly on the shifter side of the bike in the front, that is where mine is leaking and making a mess of my bike.

1986 vn 750 aka "Huck Farley"
42,000 miles
Rick's stator and rr
Tuxedo stator cover mod
pickup coil mod
dampers replaced
agm m/f battery
Harley sportster exhaust, degoated
Hid conversion
splines lubed
custom "vn750.com" grill cover
NGK Iridium spark plugs


acct to mcct mod https://www.vn750.com/forum/showthread.php?t=17917

rekeying locks, https://www.vn750.com/forum/showthread.php?t=7309

stator replacement walkthrough, https://www.vn750.com/forum/showthread.php?t=11369
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post #8 of 25 (permalink) Old 10-11-2008, 11:32 AM
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On the shifter side, up behind the airbox, if you have them, facing front..
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post #9 of 25 (permalink) Old 10-11-2008, 12:11 PM Thread Starter
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That is the leak spot. Since I plugged it the leak is... obstructed. lol No more mess. New orings on the way.
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post #10 of 25 (permalink) Old 05-22-2009, 10:29 PM
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does anyone know what the part number is in this diagram? I getting ready to order my parts for my stator replacement and figure I might tackle this while I'm in there since I'll have the motor cocked sideways where it might be easier to get to! thanks

1986 vn 750 aka "Huck Farley"
42,000 miles
Rick's stator and rr
Tuxedo stator cover mod
pickup coil mod
dampers replaced
agm m/f battery
Harley sportster exhaust, degoated
Hid conversion
splines lubed
custom "vn750.com" grill cover
NGK Iridium spark plugs


acct to mcct mod https://www.vn750.com/forum/showthread.php?t=17917

rekeying locks, https://www.vn750.com/forum/showthread.php?t=7309

stator replacement walkthrough, https://www.vn750.com/forum/showthread.php?t=11369
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