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2005 Vespa PX150 reissue. Oil is leaking onto the exhaust, causing smoke. Where is it coming from and how do I stop it? It appears to be 2-stroke oil.

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Haha, you can't be serious! The Vespa has a two stroke engine, and with out oil mixed with the gasoline, the engine will seize solid. You may have too much oil going in which is not being burnt in combustion, and is condensing on the inside of the exhaust, enough to drip out. That is far better though than not having enough oil. Have it professionally serviced and the oil correctly calibrated.

If you mean it is dripping onto the outside of the exhaust, that is a different kettle of squirrels. Find where the drip is coming from and tighten up the union. The tank is quite small and you will see a pipe going to the pump and then to the carb intake manifold.

Your manual is here

http://www.vespaklubljubljana.com/manuals/px150/PX150%202005%20Owners%20Manual.pdf

Posted on Jun 25, 2018

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Posted on Jan 02, 2017

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SOURCE: 1992 ford tempo oil leak?

Definently sounds like the rear main seal. My 97' Dodge Ram has the same issue and it leaks in the exact spot and has the same symptoms. Changing the gasket on the rear seal in simple but it's hard to get it apart to get to it unless you have the right tools and mechanic know-how. Your car seems to be leaking more than mine so it seems to be worst, but it is most definently the rear main seal. I put gasket maker/sealer on mine and it temperarely stopped the leak but due to pressure it will always seem to start again. Your best bet is saving the money or if you have it, invest it and go ahead and have the problem fixed. Hope I was of some help.

Posted on May 18, 2008

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SOURCE: 92 toyota camry XLE Engine oil leak onto manifold

yea i had the same problem, my last mechanic didnt tighten the top where d sprak plugs go in so it was leakin oil all they way down to the bottom where the exhaust runs and was smokin because of that... had it tightned and no longer ne smoke

Posted on Dec 04, 2008

mecanica03
  • 918 Answers

SOURCE: porsche 993 turbo 1995 oil leak

this a turbo problem, you must to repair turbo

Posted on Jul 05, 2009

  • 44 Answers

SOURCE: smoking caddy van 1.9 tdi

Check the oil fill cap and the radiator cap, see if you have a milky scum accumulation on either one, can indicate a blown head gasket or a cracked cylinder where the oil is burning and allowing water intothe hot cylinder which causes white smoke to be emmitted from tailpipe.

Posted on Sep 29, 2009

  • 583 Answers

SOURCE: 1990 Porsche 911 Carrara 2 Targa. Slight smell of

that oil leak or another is dripping on to the exhaust manifold or exhaust pipe ,that is where it is coming from,,

Posted on Nov 15, 2009

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