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  #1  
Old 19th September 2020
Zari Zari is offline
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Default tapped adjust

please give the easy way to adjust pushrods (tapped)

I put the front cylinder TDC and then pushrods on rear become free and adjust
after put rear cylinder TDC and the pushrods on the front became free and adjust

Is this the right way????
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  #2  
Old 19th September 2020
kitabel kitabel is offline
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No, it's not.
There are really 2 methods:
1. understand how the engine operates, the 4-stroke cycle, etc., or
2. read the service manual
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Old 19th September 2020
XL1275 XL1275 is offline
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Basically you are taking the cam lobe pressure off of the lifter. That occurs in several places. But bringing to compression TDC for the cylinder you are adjusting would be my choice.
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Old 19th September 2020
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Quote:
Originally Posted by kitabel View Post
No, it's not.
There are really 2 methods:
1. understand how the engine operates, the 4-stroke cycle, etc., or
2. read the service manual
Too easy
Must make it complex
Otherwise it isn't worth the effort
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Old 19th September 2020
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Here ya go...

Ironhead Push Rod Adjustment
http://xlforum.net/forums/showthread.php?t=44143
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  #6  
Old 20th September 2020
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I adjust the intake valve when the exhaust valve on that cylinder just closes.
Then I adjust the exhaust valve when the intake valve on that cylinder just starts to open.
That procedure will put the lifter on the heel of the cam.

Remember always adjust pushrods on a stone cold motor, or it will not have compression when the motor is cold.

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Old 20th September 2020
needspeed needspeed is offline
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Did you type this backwards by mistake?
When the exhaust just closes the intake is well on its way to opening, not on the heel.

When the intake just starts to open that's the overlap period when the exhaust is still slightly open, and not yet on the heel.
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Old 20th September 2020
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I just roll the engine using the kickstarter and watch the lifters until I can see the exhaust open/close followed by the intake. Once the intake closes you know the cylinder is near TDC and you can set both valves on that cylinder.

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Old 21st September 2020
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Quote:
Originally Posted by needspeed View Post
Did you type this backwards by mistake?
When the exhaust just closes the intake is well on its way to opening, not on the heel.

When the intake just starts to open that's the overlap period when the exhaust is still slightly open, and not yet on the heel.
Yup. I must have been a little tired....
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