Author Topic: Oil leak :(  (Read 2123 times)

edog

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Oil leak :(
« on: May 09, 2019, 02:31:22 AM »
Its a 2013 model. Bought it a few weeks ago, there was a little bit of grease on the engine but it didn't seem too bad. Well i left it in the same spot for the last few days and a small spot appeared on the ground below the engine, and its oil. Oil is all over the front of the engine, it seems to be coming out of the front where there are some bolts and a thick hose coming out of the engine. I will get some photos up tomorrow once I run it, cleaned it tonight and going on a small drive tomorrow to see if I can figure out where exactly its leaking from.

It is leaking very slowly, the oil level is still high and it has not been changed in several months. It was only a small appearance of oil on the ground, and it was not thick. But there is a grease all over the front underside of the engine. Any advice?

EDIT: I did some research and i can now say that it looks like it's coming from the valve cover. What to do now?
« Last Edit: May 09, 2019, 03:27:18 AM by edog »

jeeves

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Re: Oil leak :(
« Reply #1 on: May 09, 2019, 06:47:00 AM »
Clean it up, check that the bolts are tight.
If it continues to leak from the valve cover get a new gasket and replace it.

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Stig / Major Tom

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Re: Oil leak :(
« Reply #2 on: May 09, 2019, 10:57:40 AM »
Yes, one caution though!@!!
Do not overtighten those bolts/nuts! Just snug is good....if you try to stop the leak by leaning on those fasteners --- you will now have real big troubles!!
Snug them, if leak continues from there, get a new gasket to stop the leak.
Stig
« Last Edit: May 09, 2019, 10:59:30 AM by Stig »
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edog

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Re: Oil leak :(
« Reply #3 on: May 09, 2019, 02:44:18 PM »
Alright, I'll get to tightening the connections then ride it for a while and see what happens.

I don't know anything about engines. Would I need to take out the engine from the frame to do this, or will having the bucket off be enough? And are there any videos or manuals out there to help someone figure out how to do this?

Stig / Major Tom

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Re: Oil leak :(
« Reply #4 on: May 09, 2019, 03:50:13 PM »
No, no need to remove engine.
Yes, take out the underseat bucket. Have a look at things...and feel around for the leak. We're thinking it is coming from the front, smooth surface of the engine. Front center panel, by your heels will come off and reveal front of engine.
Watch a few youtube videos for tips to do this.
Stig
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eamartin

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Re: Oil leak :(
« Reply #5 on: May 09, 2019, 05:42:47 PM »
If it's like my Agility there is a 2-piece (upper and lower) black plastic shroud covering the valve cover and head.  So after pulling the seat, bucket and forward panel, there is more to do before getting at the valve cover bolts.  It's not a big job but the way the plastic comes off is a little funky as I recall.   

edog

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Re: Oil leak :(
« Reply #6 on: May 09, 2019, 07:59:34 PM »
Attached a photo of the front of the engine. I think it's coming from the valve cover as previously stated. let me know what y'all think. Notice the plastic part on the right side (left in this photo) of the valve cover is broken.

When I cleaned it yesterday, there was oil on the bottom of those bolts.

https://ibb.co/tHVYkpw
« Last Edit: May 09, 2019, 08:01:11 PM by edog »

eamartin

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Re: Oil leak :(
« Reply #7 on: May 09, 2019, 10:12:58 PM »
Yep.  There's your valve cover.  I would snug down all the valve cover bolts and anything else I could easily get to while I was at it, including the 2 exhaust header nuts.

edog

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Re: Oil leak :(
« Reply #8 on: May 09, 2019, 11:15:23 PM »
Bolts are tight.

eamartin

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Re: Oil leak :(
« Reply #9 on: May 09, 2019, 11:42:07 PM »
So they were tight when you checked them and cannot be further snugged down?  If that's the case you need to make sure everything is as clean as can be within reason and inspect it over time to see where the leak originates. 

edog

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Re: Oil leak :(
« Reply #10 on: May 10, 2019, 06:40:28 PM »
Found an additional leak... Seems to be dripping out of a bolt on the lower left side near the cvt. Image in the link below. It's that gold bolt. Don't have the right socket but I'll try to tighten it up. I think this is the main leak that was the source of the oil I found on the ground the other day.

https://ibb.co/C2qZ3Vf

Stig / Major Tom

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Re: Oil leak :(
« Reply #11 on: May 10, 2019, 08:02:26 PM »
Found an additional leak... Seems to be dripping out of a bolt on the lower left side near the cvt. Image in the link below. It's that gold bolt. Don't have the right socket but I'll try to tighten it up. I think this is the main leak that was the source of the oil I found on the ground the other day.

https://ibb.co/C2qZ3Vf
I don't know this scooter - but pretty sure that's your drain plug which is removed to drain your old engine oil. It is not involved in your CVT's operation.
Tight space there, so do use the proper size socket or wrench. There should be a washer on it as well - snug to prevent leaks.
Stig
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eamartin

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Re: Oil leak :(
« Reply #12 on: May 10, 2019, 09:30:23 PM »
Found an additional leak... Seems to be dripping out of a bolt on the lower left side near the cvt. Image in the link below. It's that gold bolt. Don't have the right socket but I'll try to tighten it up. I think this is the main leak that was the source of the oil I found on the ground the other day.

https://ibb.co/C2qZ3Vf
That's the oil drain plug for draining the motor oil from the crankcase.  I prefer to adhere to proper torque specs when tightening these steel bolts into aluminum cases.

edog

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Re: Oil leak :(
« Reply #13 on: May 14, 2019, 02:00:11 AM »
Yeah i tightened it up a few turns with a socket wrench but i don't know how much the torque specs are, nor how to measure it.  my thoughts are that it should be tight enough to stop the leak but not too tight to put too much pressure on the crankcase

eamartin

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Re: Oil leak :(
« Reply #14 on: May 14, 2019, 12:56:30 PM »
If you "tightened it up a few turns",  it was way too loose and that hopefully takes care of that particular leak.  Specs are in the manual.  Tightening to correct spec requires the use of a torque wrench. 

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