How do you replace a master cylinder on a Harley Davidson?
B. Slide piston/spring assembly, flared end of spring first, into master cylinder bore so that spring seats against counter bore (recess) at bottom of cylinder. C. Single disc piston: Slide stop plate (7) down over end of piston. 4. See Figure 5. A. Dual disc master cylinder: Press down on piston (14) and install new retaining ring (15).
How big is the insert for the master cylinder?
Do not remove or install the master cylinder assembly without first positioning a 5/32-inch (4 mm) thick insert between the brake lever and lever bracket. Removing or installing the master cylinder assembly without the insert in place may result in damage to the rubber boot and plunger on the front stoplight switch.
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 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.
Can you convert 883 heads to 1250 Pistons?
HAMMER Performance provides a kit to do either. Here are some things to consider: The 1250 kitcomes with new, premium quality cylinders with extra thick iron liners to support the larger bore size. The 1250 kit is available with the basic conversion pistons only, for use with stock 883 heads.
What kind of pistons do I need for an 883 hammer?
The 1250 kit is available with the basic conversion pistons only, for use with stock 883 heads. The higher power packages described below use the 1275 kit. The 1275 kit comes with new, premium quality cylinders with extra thick high strength steel liners to support the even larger bore size.
When did the 883 and 1200 share the same crankshaft?
Since 1995, 883’s and 1200’s have shared the same crankshaft at any given model year. The crankshafts are balanced for a piston weight that’s in between a stock 883 piston and a stock 1200 piston.
What’s the difference between 883 and 1200 cylinder heads?
You can read more about the various details of XL cylinder heads in this tech article. 883 heads have shallower chambers than their 1200 counterparts, and longer valves to match. This makes the valves start out closer to each other and closer to the pistons.