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08-22-2014, 07:20 AM
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#1 |
 
Join Date: Jul 2008
Location: York PA
Posts: 339
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Hey Glen, when I first came to SD, like many I lurked for about a year before I registared, and ONE of the big fights going on back then (man I miss all that great info) was gas ratings and octane levels, and ethanol.
I always go do my own research for a thing, and man you nailed it!!
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09-06-2014, 01:01 PM
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#2 |
 
Join Date: Oct 2008
Location: Hyde Park, NY
Posts: 1,067
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Just so you don't feel bad about this take a gander at what happens to the high priced spread. How would you like to spend that much money and have this happen.
http://modernvespa.com/forum/topic130381.2
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2008 Eagle Milano 150- 9,679 miles 2009 Honda Rebel 250- 10,434 miles 2009 CF Moto Fashion- 16,023 miles 2009 MC-114 50cc Cub Clone- 4,317 miles twowheeler.yolasite.com/ That's 30,049 China Scootin miles and Counting. |
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11-25-2014, 12:54 PM
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#4 |
 Join Date: Sep 2012
Posts: 27
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I also agree with the timing theory. If the timing is off it can mimic some of the fuel ratio theories and if it is really bad you can slam the valve and piston together (I think but don't know for sure that these are interference motors).
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11-26-2014, 08:47 PM
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#5 |
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Join Date: Apr 2012
Posts: 1
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It looks to me like a classic case of metal mice infestation, the bite marks are plain to see on the head!
Jokes aside beside the previous ideas a too tight valve that runs hot due to not being able to get rid of it's heat to the seat will weaken the valve and possibly cause it to break as this one did. |
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