How do you adjust a pushrod on a bike?
To adjust pushrods that you may no longer have the instruction sheets for or may have come in a bike when purchased, you can figure out the adjustments as follows. The number of flats to turn the nut for proper pushrod adjustment can be calculated easily. First you have to find the number of threads per inch (tpi) on the adjusters.
Do you have to lock down the pushrod?
The pushrod must spin freely. with NO up and down movement. From this point you want to shorten one full turn, 6 flats. Lock down the pushrod and repeat for the rear cylinder. DO NOT TRY TO MAKE SHORTCUTS IN THIS PROCESS. Proper bleeding down of tappets, is critical for healthy running motors.
Can you spin a pushrod with your fingers?
When the adjustment is correct, you will again be able to spin the pushrod with your fingers. The pushrod must spin freely. with NO up and down movement. From this point you want to shorten one full turn, 6 flats. Lock down the pushrod and repeat for the rear cylinder. DO NOT TRY TO MAKE SHORTCUTS IN THIS PROCESS.
Do you need to shorten the pushrod on a tappet?
If you cannot spin the pushrod, you have S&S Limited Travel tappets (HL2T kit). From this point you want to shorten the pushrod. While shortening you will feel drag on the pushrod, this is the valve spring tension. While shortening, you will feel the valve spring release the pressure on the pushrod.
How do you adjust the pushrod on a Harley Davidson?
Turn your motor, by hand, and position the lifter you are adjusting to its lowest point of travel on the cam. Next, extend your adjustable pushrod until you have zero lash (adjust by hand until you pushrod is seated, but without collapsing the lifter).
When to start the engine after adjusting pushrods?
Wait 15 to 20 minutes for the lifters to bleed down after adjusting the pushrods. If you are on the second cylinder wait 15-20 minutes before starting the engine. You can check to see if the lifters have bled down by turning the pushrods with your fingers.
How to install pushrods on fuel Moto lifter?
6. Drop one base (with thread locker applied) into the lifter block and make sure it’s setting in the pocket of the lifter. Again, make sure the exposed threads on the pushrods are clean and dry (no oil or solvent present) and make sure you install the exhaust rods in the exhaust position and the intake rods in the intake position.
The pushrod must spin freely. with NO up and down movement. From this point you want to shorten one full turn, 6 flats. Lock down the pushrod and repeat for the rear cylinder. DO NOT TRY TO MAKE SHORTCUTS IN THIS PROCESS. Proper bleeding down of tappets, is critical for healthy running motors.