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Correct intake seating

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Old May 14, 2006 | 03:43 PM
  #1  
tangellow's Avatar
tangellow
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Default Correct intake seating

Recently fitted a new S&S E to my evo. I cannot get the front cylinder to run properly. Getting a bad miss fire, lots of popping in the pipe and running rich. Have checked all electrical connections, all are OK.

It must be an intake manifold leak. I have removed and re fitted, cleaned the heads for a nice smooth surface.

Anyone know any special techniques or tricks to get this thing to seal properly, maybe some liquid gasket. Please help I need to get back on the road.

[IMG]local://upfiles/12182/2A733402668A4208A2B97E5A3F858CD2.jpg[/IMG]
 
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Old May 14, 2006 | 11:17 PM
  #2  
tripl8's Avatar
tripl8
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Joined: Oct 2005
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From: Lynnwood WA.
Default RE: Correct intake seating

Are you positive the manifold is true and isnt porous ??..how do know its an intake leak ? what steps did you do to determine that ??
 
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Old May 15, 2006 | 01:09 PM
  #3  
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barrygreen
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Joined: Nov 2005
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From: Mansfield Texas
Default RE: Correct intake seating

Intake leak would cause a lean condition not rich, spray some carb cleaner
around the intake with the bike running to see if the idle changes.
 
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Old May 15, 2006 | 03:51 PM
  #4  
tangellow's Avatar
tangellow
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Default RE: Correct intake seating

Manifold is new, came with carb. If I take carb back plate off I can move the whole assembly while the bike is running and it does pick up slightly. I have tried spraying WD40 around the intake flanges. But it does not change or pick up.

I have checked everything electrical. and the rear cylinder runs fine with a light grey exhaust color. If it is not an intake leak! What could it be?

I have also checked the push rod, not too loose, not too tight.

HELP......
 
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