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4 stroke oil

by , Posted to on 06/16/2009 10:53 PM | "Quote" | "Quick Reply" |

Joined: 12/16/2003
Location: ND
Can anyone tell me the difference between 4 stroke oil and regular engine oil (if any)? Is it somewhat  of a synthetic? Or do they just charge double and call it 4 Stroke?  Might be a dumb ? but any info will be apprectiated.
"Windage and Elevation Ma'am, Windage and Elevation"  (John Wayne)
Re: 4 stroke oil
by on 06/17/2009 07:27 AM | Reply #1 | "Quote" | "Quick Reply" |

Joined: 09/15/2008
Location: SD
Well there is a huge difference between 4 and 2 stroke oil.  A four stroke oil is designed to be cycled through the oil passages and galleys of an engine and by doing this is is supposed to provide a thin layer of oil between moving parts as well as suspend any dirt or moisture that has been introduced into the engine.  A two stroke oil on the other hand is meant to be injected directly into the combustion chamber to reduce friction and is designed to be burned cleanly as to not foul up plugs or cause any build up inside the engine.  Both oils are offered in crude and synthetic.  As far as a 4 stroke oil that goes into your boat or that goes into your car, no difference what so ever, both are 4 stroke engines that operate on exactly the same principals.
 
Re: 4 stroke oil
by on 06/17/2009 07:48 AM | Reply #2 | "Quote" | "Quick Reply" |

Joined: 09/11/2002
Location: ND

Crankenstein knows what he's talking about.  Basically, two strokes burn the oil with the gas to lubricate the cylinders.  4 strokes "shouldn't" burn the oil, thats why they require an oil change, just like your pickup.

I say to hell with that pot o' gold.

Re: 4 stroke oil
by on 06/17/2009 4:00 PM | Reply #3 | "Quote" | "Quick Reply" |

Joined: 12/16/2003
Location: ND
So I could buy regular oil and pay 3 bucks a quart verses 7 something because it has the four stroke lable on it?
"Windage and Elevation Ma'am, Windage and Elevation"  (John Wayne)
Re: 4 stroke oil
by on 06/17/2009 6:12 PM | Reply #4 | "Quote" | "Quick Reply" |

Joined: 02/28/2007
Location: ND
I would run Shell Rotella 15-40 in my four stroke engine.  This is probably the best all around oil made.  I run this in my kids four stroke motocross bikes.  You can't put an engine through more punishment than what a motocross bike goes through.  These four strokes reach rpm's of around 12,000.  Rotella works awesome in it.  And thousands of people throughout the country are using it in their race bikes.  It would be a great oil for your 4 stroke outboard motors.  And it is very reasonable.  And readily available at nearly every gas station in america.  I run it my Yamaha 115 four stroke and have for several years. 
huntingdad Said:
So I could buy regular oil and pay 3 bucks a quart verses 7 something because it has the four stroke lable on it?


Re: 4 stroke oil
by on 06/17/2009 8:52 PM | Reply #5 | "Quote" | "Quick Reply" |

Joined: 01/09/2002
Location: ND
huntingdad,

Unless you are a person who puts hundreds of hours on his 4-stroke (I assume boat motor) a year, you can just buy any high quality automotive oil brand that you like.  I am fairly sure when buying yamalube, or Merc's quicksilver 3-stroke oils you are buying the name more than anything else.
“Sometimes I wonder whether the world is being run by smart people who are putting us on or by imbeciles who really mean it.” ~ Mark Twain
Re: 4 stroke oil
by on 06/18/2009 08:08 AM | Reply #6 | "Quote" | "Quick Reply" |

Joined: 01/09/2002
Location: ND
3-stroke oil?  That's something I have never heard of before.  Should read "4-stroke".
“Sometimes I wonder whether the world is being run by smart people who are putting us on or by imbeciles who really mean it.” ~ Mark Twain
Re: 4 stroke oil
by on 06/18/2009 08:20 AM | Reply #7 | "Quote" | "Quick Reply" |

Joined: 08/16/2004
Location: ND
Allen,
 
3 stroke is half way between the 2 and the 4.  Some gets burned, while some gets circulated.  Actually best of both worlds.

YES, I am that foolish!

Re: 4 stroke oil
by on 06/18/2009 6:52 PM | Reply #8 | "Quote" | "Quick Reply" |

Joined: 11/09/2004
Location: ND
 
luveyes Said:
Allen,
 
3 stroke is half way between the 2 and the 4.  Some gets burned, while some gets circulated.  Actually best of both worlds.

Chuckle 
J
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Posted On: 06/16/2009 10:53 PM
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