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Savage "Plug/Cap" Leak (Read 14314 times)
LS650THUMPER
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Re: Savage "Plug/Cap" Leak
Reply #90 - 03/24/21 at 15:28:48
 
ty, looking into fixing leak, I have the 'plug'  , of course parts guy at dealer, only asks if i need anything else,, figured he'd recommend   the 6 for the bolts... 'time to buy parts elsewhere' !!!
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Re: Savage "Plug/Cap" Leak
Reply #91 - 07/06/21 at 12:09:22
 
I looked at a 2009 S40 with 4800 miles.  No mention of this leak.  Is this leak a concern with this year S40?  Thank you!
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Re: Savage "Plug/Cap" Leak
Reply #92 - 07/06/21 at 16:27:14
 
any savage /s40 can get leak, at any miles from what i've seen, bullet proof bike, easy to work on . I've had a 2009 s40 with 34640 miles , had leak, just rode it and sold it after 9 years of riding it ,  and recently had my 02 savage leak sealed at dealer, and which lost the exhaust valve a few weeks later, had bike since 2018 had 31260 miles, just sold whole as is for 100 bucks #noRegrets
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Re: Savage "Plug/Cap" Leak
Reply #93 - 07/06/21 at 21:09:49
 
Thanks for the info!
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Re: Savage "Plug/Cap" Leak
Reply #94 - 10/25/21 at 13:25:30
 
This is on my 2003 LS650. Started blowing oil into air filter. (lots of oil) Pulled valve cover to find the notorious Plug/Cap. Valve cover was full of oil. Is there a way to tell if cap is bad by looking? How do you remove it? Just pry it out? Just looking it does not appear to be unseated or cracked.
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Re: Savage "Plug/Cap" Leak
Reply #95 - 10/25/21 at 14:03:15
 
Valve cover is supposed to be full of oil.
Blowing oil into the air filter can be from over filling or flooding gas into the crankcase from a bad petcock.
The plug should be tight, if it's leaking oil you'll see it everywhere.
Pry it out or grab it with a pair of channel locks.
I pry it from underneath with a bent metal rod.
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Re: Savage "Plug/Cap" Leak
Reply #96 - 10/25/21 at 19:01:52
 
Thanks for the quick response. A little history. Bike had set for a couple of years. It turned over ok so added gas, charged battery and it started right up. Idled for several minutes and then rode it. About a mile down the road started smelling oil. By time got it back to garage had oil running out of the air filter box and all down left side of engine. Hoping to find a cracked or leaking oil cap. I hope it does not have broken piston ring. Do you know if I can get to piston without removing engine from bike.
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Re: Savage "Plug/Cap" Leak
Reply #97 - 10/25/21 at 20:07:23
 
bad head plug is not going to have oil coming out of the airbox.
if its flowing out of the airbox, then it came from the breather.
which means either you over filled it with oil or gas got in the crankcase.
a bad petcock will flow gas into the cylinder thru the vac line
or you have a bad float valve and the carb flooded.
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ThumperPaul
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Re: Savage "Plug/Cap" Leak
Reply #98 - 09/21/22 at 12:19:22
 
What is the dang purpose of this stupid plug?  It reminds me of a freeze plug.  I noticed mine is leaking today.  I really don’t feel up to the task.  I’ll probably screw something up.  Argh.

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Re: Savage "Plug/Cap" Leak
Reply #99 - 09/21/22 at 19:30:25
 
Isn't there a bolt beneath it?  If there is, it's for access to that bolt.
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Re: Savage "Plug/Cap" Leak
Reply #100 - 03/01/23 at 12:30:51
 
For those who are going to go in a replace their plug I have a couple suggestions that were helpful to me.

-  Read this thread real thoroughly twice.
-  Go ahead and get Verslagen1's upgraded plug, it is far superior to the  
-  oem.
-  Remember to put it in TDC.  
-  Print out the diagram of the bolt locations and put it on a shoe box.
-  Spray carburetor cleaner on a rag then clean parts appropriately.
-  Like Dave said, use a real thin bead of gasket maker / rtv.  I didn't use
  a syringe, I used the smallest portion of the 3bond applicator.  
-  Watch that one bolt that holds the valve cover on the left side when -
  sitting on the bike.  
-  Take your time.............


Best regards,
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Re: Savage "Plug/Cap" Leak
Reply #101 - 05/01/23 at 05:38:14
 
TY all for all the input and pointers in this thread. I changed the Head Cap on my wife's bike with ease.

DO read this tread front to back before starting and use the bolt print out and you will have no issues tackling this.
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Re: Savage "Plug/Cap" Leak
Reply #102 - 07/28/23 at 06:57:35
 
I have a bit of oil smoke coming out between the top of the engine and the gas tank - I assume its the plug leaking. I don't see any oil leaking out of the engine, so it must be a very minor leak.
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verslagen1
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Re: Savage "Plug/Cap" Leak
Reply #103 - 07/28/23 at 22:18:57
 
If the plug is leaking and you see no oil, then there's no oil in the engine.
Normally, there's a lot of oil flying around up top.

Check your exhaust gasket.
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Re: Savage "Plug/Cap" Leak
Reply #104 - 08/10/23 at 14:21:42
 
If the plug is leaking but the valve cover is sealed properly, the oil shouldn't escape?
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