How big should the gap be on a Harley Davidson cylinder?
The spigot of a Harley cylinder is unsupported by aluminum and is almost always distorted and/or not the correct size. Remember, it takes very little error in bore diameter or roundness to have a BIG effect on that gap measurement. You want to do it a half inch to an inch down from the top of the cylinder, that’s a good place.
How big does the top of a cylinder have to be?
The very top of a cylinder is notorious for having distortion and/or being slightly different in size. You MUST push the ring down the bore, at least a half an inch, and then you have to get it square. I’ve seen people use various methods for doing this.
Where do you put the piston on a Pistons?
With most of the pistons we ship, the valve pockets are the same size and the skirts are the same length, so you can put the piston in either way. However, with some custom pistons we offer, as well as some big bore pistons, orientation does matter. If one valve pocket is bigger than the other, make sure you put that pocket on the intake side.
How do you remove the top end of a Harley Davidson?
Label the cylinders and set aside. Now you can push clean shop towels into the openings of the crank case to protect against anything falling into your lower end, while the top end is apart. Finally, you can remove your pistons from the connecting rods. It is important to slide short lengths of rubber hose over your cylinder studs for protection.
Which is the best cylinder for a Harley Davidson?
Hammer Performance is proud to carry Axtell cylinders, the biggest name in cylinders for Harley Davidson applications. For the ultimate in bore stability and ring seal, the Axtell full cast iron XL cylinder can’t be beat! We use these fine cylinders on our own race bikes as well as severe duty street bikes.
What kind of pistons do you use on a Harley Davidson?
We offer our premium Sledge Hammer forged pistons, or if you have your own pistons, send them to us for fitment. Hammer Performance is proud to carry Axtell cylinders, the biggest name in cylinders for Harley Davidson applications. For the ultimate in bore stability and ring seal, the Axtell full cast iron XL cylinder can’t be beat!
What’s the difference between xL and Buell cylinder heads?
Tech Tip: XL and Buell heads have been offered with a variety of different chamber sizes and shapes. It’s extremely important to select the correct dome configuration to match your cylinder heads and desired compression ratio.