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PostPosted: Mon Jan 31, 2011 1:08 pm 
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Joined: Mon Dec 15, 2003 2:40 pm
Posts: 22512
Location: Chicago
davidafco sent me his Pilot Engine for a CSI.

Some over all pics before disassembly, has the classic build up of Mid West mud, you know the stuff that etches itself into the aluminum and is about impossible to clean, also can see the exhaust was leaking.


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File comment: Exhaust leak yummy
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PostPosted: Mon Jan 31, 2011 1:10 pm 
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Location: Chicago
Peak in the cylinder


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File comment: Jetting plenty rich
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PostPosted: Mon Jan 31, 2011 1:11 pm 
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Location: Chicago
See the wash affect on the head?


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PostPosted: Mon Jan 31, 2011 1:13 pm 
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Joined: Mon Dec 15, 2003 2:40 pm
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Location: Chicago
Crank cases split.

So far everything looks good, crank and rod in good condition, cylinder just needs a hone, crank bearings and seals, piston, rings, etc will be replaced.


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PostPosted: Mon Jan 31, 2011 7:12 pm 
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Joined: Sun Jan 09, 2011 5:33 pm
Posts: 319
Location: Cincinnati, Ohio
Parts have been ordered. If something is backordered I will let you know asap. That dirt was from a old stripper pit in southern Indiana where I use to run it. Not a large area but was fun :-) What is that washing you mentioned?


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PostPosted: Mon Jan 31, 2011 7:46 pm 
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Location: Chicago
davidafco wrote:
Parts have been ordered. If something is backordered I will let you know asap. That dirt was from a old stripper pit in southern Indiana where I use to run it. Not a large area but was fun :-) What is that washing you mentioned?



See where their is no black (carbon) on the head that is where the fresh fuel charge has washed it off, notice where the clean area is that is the rear of the Engine, look at the cylinder see where that rear port opening is aimed up towards the head?

Image


See the green spray up to the head in the animation, its job is to sweep and follow the products of combustion out the cylinder and into the pipe where the returning pulse wave in the pipe forces it back into the cylinder before the piston closes the exhaust port.

Image


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PostPosted: Mon Jan 31, 2011 7:53 pm 
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Joined: Sun Jan 09, 2011 5:33 pm
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Location: Cincinnati, Ohio
oh ok I see what your talking bout. So I take it that isnt a bad thing then. From the looks of things would you say the Engine was getting the right fuel air mix? Not to lean or rich


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PostPosted: Wed Feb 02, 2011 3:16 pm 
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Location: Oklahoma City, OK
I don't see any spooge??


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PostPosted: Wed Feb 02, 2011 7:40 pm 
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Joined: Sun Jan 09, 2011 5:33 pm
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Location: Cincinnati, Ohio
The right crank bearing and gasket kit are no longer available from service. Tried call odysee salvage today but the snow was to much. Answering machine said will be there tomorrow. If he cant help then its the evilbay I go.


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PostPosted: Wed Feb 02, 2011 7:49 pm 
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Joined: Thu Jun 16, 2005 7:19 pm
Posts: 2245
Location: Chandler, AZ
davidafco wrote:
The right crank bearing and gasket kit are no longer available from service. Tried call odysee salvage today but the snow was to much. Answering machine said will be there tomorrow. If he cant help then its the evilbay I go.



I believe ATV racing have the parts you need.


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PostPosted: Thu Feb 03, 2011 8:33 pm 
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Joined: Tue Dec 23, 2003 10:31 pm
Posts: 5559
Location: New Jersey
Wasn't there a posting here from Stoneman or Mikey on replacement bearings?


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PostPosted: Thu Feb 03, 2011 8:41 pm 
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Joined: Tue Dec 23, 2003 10:31 pm
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Location: New Jersey
viewtopic.php?f=1&t=8696


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