What causes oil to leak from bottom of rocker box?
The leak was between the bottom rocker section and the jug. I bought a complete kit from Harley that included all the gaskets and other pieces necessary to rebuild both rockers. When I examined the bad gasket, I noticed that it was a fiber gasket that developed a hair line split which allowed the oil to leak out.
What should I use to seal my rocker box?
The important step is to use some Permatex (or suitable) gasket sealer/adhesive to hold the gaskets in place during assembly.
Why are the rocker boxes on my Evo leaking?
It looks like a good deal and anyone with a EVO knows how frustrating this can be. Best of luck – Bob If you tightend them evenly and corectly, and they are leaking, you damaged the little rubber gasket (s) I’d bet. I tried to be real careful torqeing them. The middle cover shifted before they were at spec. The oil isn’t pouring out but they leak.
Are there any leaks in the rocker box on a V-twin?
No leaks on either of them. One thing I do evey time with either of my bikes is I let them warm up fully before I ride. If the roacker boxes are not hot to the touch before revin’ the engine, the base and head gaskets can blow out easily. I replaced the rocker box gaskets on a friend’s ’98 Heritage.
It looks like a good deal and anyone with a EVO knows how frustrating this can be. Best of luck – Bob If you tightend them evenly and corectly, and they are leaking, you damaged the little rubber gasket (s) I’d bet. I tried to be real careful torqeing them. The middle cover shifted before they were at spec. The oil isn’t pouring out but they leak.
Why is my Harley Davidson rocker box leaking?
Took apart again and found I had pinched the gasket. 2nd time I made sure I didn’t do that again.
What’s the price of an Evo rocker box?
I saw that JPCycles is selling a set of after market 2 piece Rocker Boxes for $175 so I am going to swap them out. It looks like a good deal and anyone with a EVO knows how frustrating this can be. Best of luck – Bob If you tightend them evenly and corectly, and they are leaking, you damaged the little rubber gasket (s) I’d bet.
What to do when oil comes out of the hose?
If you can’t see the oil coming back into the tank, disconnect the oil return line, take the spark plugs out of the heads, and spin the engine with the starter. OIl should come out of the hose in squirts. If not, you have an oil pump problem. If it does come out of the hose, everything should be alright.