What is inside a rocker cover?
The rocker cover is that part of the engine, which protects the timing gear and the valve control gear. As these components are lubricated by means of engine oil, the rocker cover also prevents it from coming out. The contact point between the rocker cover and cylinder head is secured by means of a gasket.
When do you replace rocker box gaskets on a Harley?
The next versions, which lasted until 1990, were made of zinc and leaked the most. Subsequent versions were rubber. Removing rocker box covers to replace the gaskets is a straightforward process. Very experienced mechanics can do the job without removing the gas tank but less experienced mechanics should probably begin this job by remove the tank.
How to replace a Ford rocker cover gasket?
Then 8 10mm bolts on each rocker cover, remove cover & old gasket. You get cork gaskets, 2 types – pattern ones are cork only, genuine Ford ones had metal pins embedded so that you couldn’t over-compress the gasket. They also have 1 self-adhesive side which makes a big difference!
How do you remove a gasket from a motorcycle?
Remove the six Allen bolts and washers that connect the rocker cover to the rocker assembly. Begin with the front rocker box and work on one cylinder at a time. Remove the metal D-ring if your motorcycle is equipped with an Evolution engine. Note the top, bottom and orientation of the D-ring. Completely remove the old gasket.
How do you replace gasket on Evolution engine?
Rocker arm housings with a full inner lip do not require adhesive. Apply adhesive if needed and properly place the gasket on the rocker arm. Replace the D-Ring on Evolution engines. Replace the rocker arm cover. Tighten the Allen bolts in a cross pattern to 10 to 12 foot pounds of torque.
How do you repair a gasket on a Harley Davidson?
Remove the six rocker cover bolts. Remove the rocker cover and gaskets. Clean the gasket mating surfaces on the head and the rocker cover with solvent and a lint-free rag. Lightly oil the gasket and place on head with indent facing forward (Figure 8). Place the rocker cover in position, aligning with the gasket.
How much does it cost to change a rocker gasket on a Harley?
Harley ain’t gonna’ do it for free. If you don’t like it, do it yourself. That’s what I do. Standard labor charges are 50 – 80 bucks an hour in the states. You could change the umbrella valves while you have the rocker cover off if you are pushing out a little more oil than normal from the breathers.
How to install a lower rocker box on a Harley?
Mike Roen has the Harley cylinders in place and is now ready to put the lower Harley rocker box on. Your gaskets are labeled front and rear. Make sure to install correctly. Make sure to remove the old o-ring. Prep your bolts with some blue Loctite and put them in the correct allocation.