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I have some SE roller tappets I want to get in this weekend and noticed the oil feed holes are either rear or forward facing, but not possible to face it inward toward the motor like the stock ones. Can anyone help with the orientation of the oil feed holes? I called Harley and the parts guy wasnt sure and the mechanics couldnt be bothered. Its going into a 2003 wide glide
Doesn't matter. I prefer in toward the motor if it's facing that way
With the stock tappets the oil feed hole can face in toward the motor or away from it, but theyre supposed to face inward. With the SE tappets the oil feed holes are neither inward or outward. They can only face the front or rear. I looked inside where the tappets slide into, and the front will face the front and the rear will face the rear apparently. At least thats what Ill probably go with.
When you pull out your old lifters, you will see a drilled hole coming from the motor and going into the cam chest.
The hole will cut through the side of the lifter hole perpendicularly about half way down, that's how the lifter gets its oil.
For the front cylinder, the hole cuts through the lifter hole in the front and in the rear cylinder it cuts through in the back.
You want to put the oil holes for the lifters in a position to cross that hole every time they move up or down past it.
So, for the front cylinder, you should have the lifter oil holes facing front.
And for the rear cylinder, you should have the lifter oil holes facing back.
Don't think this is the exact right pic for you but close enough.
Grab a copy of the pic and zoom in you can see the oil path for the front and rear lifters.
When you pull out your old lifters, you will see a drilled hole coming from the motor and going into the cam chest.
The hole will cut through the side of the lifter hole perpendicularly about half way down, that's how the lifter gets its oil.
For the front cylinder, the hole cuts through the lifter hole in the front and in the rear cylinder it cuts through in the back.
You want to put the oil holes for the lifters in a position to cross that hole every time they move up or down past it.
So, for the front cylinder, you should have the lifter oil holes facing front.
And for the rear cylinder, you should have the lifter oil holes facing back.
Don't think this is the exact right pic for you but close enough.
Grab a copy of the pic and zoom in you can see the oil path for the front and rear lifters.
Its already squared away, and I did locate those oil ports. I appreciate your post a bunch, thank you!
Do you just swap out the flat tappets for roller tappets, or do you change the cam, too? Roller tappets on a flat tappet cam will change the valve timing...
Do you just swap out the flat tappets for roller tappets, or do you change the cam, too? Roller tappets on a flat tappet cam will change the valve timing...
I already had roller tappets and replaced those while I was already putting in se204 cams, new cam plate, oil pump, etc,
Hey, there are plenty of flat tappets, just maybe not in these engines...
I've had plenty of engines apart, just not one of these twin cams. I'm getting too old for that as it detracts from what little riding time I have left.
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SE roller tappets question
