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Old 08-02-2017, 07:11 AM
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Pushrod Adjustment

I am sure to all you old wrenches out there this will be the dumbest question but I need help with pushrod adjustment on an s&S 124. I read the manual and it says to bring the front piston up to TDC on the compression stroke then adjust the pushrods. I get exactly how to do that. S&S even has a really nice video on how to do it. BUT then they all say just repeat the process with the rear jug. Here is my question. Do I bring the rear piston up to TDC then adjust the pushrods or do I not rotate the crank at all and just adjust the pushrods on the rear cylinder with the front piston being at TDC ?
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Old 08-02-2017, 07:48 AM
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find tdc for rear cylinder, then adjust rear pushrods.
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Old 08-02-2017, 11:19 AM
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So I find TDC for the front cylinder first then adjust pushrods, then I find TDC for the rear cylinder and adjust the rear cylinder pushrods. Is that what you are saying?
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Old 08-02-2017, 11:43 AM
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Quote:
Originally Posted by mchesmo3 View Post
So I find TDC for the front cylinder first then adjust pushrods, then I find TDC for the rear cylinder and adjust the rear cylinder pushrods. Is that what you are saying?
yes. at TDC of each cylinder, the corresponding cylinder's valves are seated and that is the position to get the push rods adjusted.
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Old 08-03-2017, 09:36 AM
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That is what I thought. Thanks ---Ches
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Old 08-03-2017, 02:55 PM
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For future reference, on an engine where you don't know what the overlap of your cam is the following method will work for you. When the intake valve in a particular cylinder starts to close you can adjust the exhaust valve, then rotate the engine until the exhaust valve starts to open and you can adjust the intake valve.
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