How To Adjust Adjustable Pushrods On A Harley Davidson?

How To Adjust Adjustable Pushrods On A Harley Davidson?

If you’re looking to adjust the pushrods on your Harley Davidson, there are a few things you’ll need to keep in mind. First, you’ll need to identify which pushrod needs to be adjusted. There are two pushrods per cylinder, one for the intake and one for the exhaust.

Next, you’ll need to remove the rocker box covers so that you can access the pushrods. Once the covers are off, you’ll be able to see marks on the pushrods themselves that indicate where they should line up with the rocker’s arms.

If these marks are not lined up correctly, it will throw off your valve clearance and cause problems with your engine. To adjust the pushrods, simply turn them until the marks line up correctly. Once they’re in place, put the rocker box covers back on and enjoy smoothly running the engine!

  • Remove the derby cover and primary chain to access the pushrods
  • With the engine at TDC on the compression stroke, measure the pushrod length and compare it to the service manual specifications
  • If the pushrod is too long or too short, unscrew it from the rocker’s arm and adjust it to the correct length
  • Screw it back into place and check that it’s tight
  • Repeat for all pushrods on both sides of the engine, then reassemble everything in reverse order

How Do I Adjust My S&S Adjustable Pushrods?

If your pushrod needs adjustment, first check the clearance between the pushrod and the rocker’s arm. To do this, remove the rocker arms and pushrods one at a time. Place a feeler gauge between the tip of the pushrod and the bottom of the rocker arm slot. The clearance should be 0.020”-0.040” (0.51 mm-1.02 mm).

If it is not within this range, you will need to adjust the pushrod length. To adjust the pushrod length, first, unscrew the jam nut from the threaded end of the pushrod using a 3/4” wrench. Next, screw in or out the adjusting sleeve until you have achieved the proper clearance. Be sure to hold onto the pushrod so that it does not spin while you are doing this.

Which Pushrod is Longer Intake Or Exhaust Harley?

Harley-Davidson engines use two different-length pushrods, one for the intake valves and one for the exhaust valves. The exhaust pushrod is longer than the intake pushrod by approximately 3/8″. This is due to the fact that the exhaust valve is located higher in the cylinder than the intake valve, so a longer pushrod is needed to actuate it.

Are Stock Harley Pushrods Adjustable?

No, stock Harley pushrods are not adjustable. The length of the pushrod is critical to the proper function of the engine, so if they were adjustable, it would be very easy to accidentally change the length and cause engine damage.

How Do You Adjust Push Rods?

Pushrods are an essential part of any engine, but they can be a little tricky to adjust. Here’s a step-by-step guide to adjusting your pushrods.

  1. Remove the rocker arms and pushrod covers from the engine. You’ll need to access the pushrods from above, so it’s best to remove any obstacles in your way.
  2. Check the clearance between the pushrod and the rocker’s arm. There should be a small gap between the two components – about 0.004 inches is ideal. If there is no gap, or if the gap is too large, you’ll need to adjust the pushrod length accordingly. 
  3. To lengthen the pushrod, use a pair of pliers to gently bend it outward at the center point. To shorten the pushrod, do the opposite – use pliers to gently bend it inward at the center point. Remember to make small adjustments – too much bending will damage the pushrod beyond repair!

Once you’ve achieved the correct clearance, reassemble all of your engine components and enjoy smooth sailing from here on out!

Screamin’ Eagle Pushrod Adjustment

If you have a Harley-Davidson Twin Cam 88 that’s starting to make some noise, it might be time for a Screamin’ Eagle pushrod adjustment. This simple procedure can help keep your bike running smoothly and quietly for years to come. Here’s what you’ll need to do:

  1. Remove the gas tank and air cleaner cover so you can access the top of the engine. 
  2. Using a wrench, loosen the lock nut on the pushrod adjuster screw until it is finger-tight.
  3. Turn the adjuster screw clockwise or counterclockwise until you feel resistance.

Then turn it an additional 1/4 turn in either direction.

4. Tighten the lock nut against the adjuster screw with a wrench and replace the gas tank and air cleaner cover.

Harley Evo Adjustable Pushrods

Harley’s Evolution engine is a popular choice for many custom motorcycle builders. One of the most common modifications made to this engine is the installation of adjustable pushrods.

This allows the builder to fine-tune the valvetrain clearance, which can improve performance and help prevent wear on critical components. There are several different brands of adjustable pushrods available for Harley’s Evolution engine, but they all work in basically the same way.

To adjust the clearance, simply loosen the jam nuts at each end of the pushrod and turn the adjustment screw until you achieve the desired result. Be sure to check your service manual for specific instructions on how to properly adjust your particular model of motorcycle.

Installing adjustable pushrods is a relatively simple task that can be completed in the afternoon with basic hand tools. However, it is always best to have a qualified mechanic perform any work on your motorcycle’s engine, especially if you are not familiar with such procedures.

Harley Adjustable Pushrods

If you have a Harley-Davidson motorcycle with an Evolution engine, you know that your pushrods are what transfer the force from the cam to the valves. Over time, these pushrods can wear down and need to be replaced.

But what if there was a way to extend the life of your pushrods? Harley-Davidson now offers adjustable pushrods for Evolution engines. These pushrods are made from high-strength steel and feature adjusters that allow you to dial in the preload on the valves. This means that you can fine-tune your engine for peak performance, and extend the life of your pushrods at the same time!

If you’re looking for a way to get more out of your Harley-Davidson motorcycle, consider upgrading to adjustable pushrods. With these parts, you’ll be able to keep your engine running like new for years to come!


If you’re planning on adjusting the pushrods on your Harley Davidson, there are a few things you’ll need to keep in mind. First, you’ll need to identify which pushrod needs to be adjusted.

Next, you’ll need to loosen the jam nut that secures the pushrod in place. Once the jam nut is loosened, you can rotate the adjuster until it’s tight against the rocker’s arm. Finally, retighten the jam nut and repeat the process for any other adjustment needed.

Alston Seymour

A Harley-Davidson Motor Company certified Master Technician and avid biker, I love to write about everything and anything related to biking.

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