On a 2002 deuce the factory service manual says 26 oz to fill the primary, or until you see the fluid at the bottom of the clutch, with the scoot level. Well of course I spilled some (anyone got any good ways to fill the thing without spilling some) but it took the whole qt. to fill it to where I could see it. I don't think I wasted 6 oz but anyway the question I guess is do yall fill to the level of seeing the oil or just put 26 oz in and go. My 87 fxrs never took more than the manual said, actually less. Thanks for all help in advance VV
1. Find a filler bottle that has a pencil type tip for the lid cap. So, it is a filler cap over the oil bottle. Usually an auto dealer has this oil with the pencil type filler cap for the rear end housings filler hole.
2. Any thin sheet steel or aluminum panel around? You make a Y configuration where you cut the sheet as a triangle. Place the center in the jaws of a vice. Take a drift so you can lay it in between the vice jaws over your work. Now you hammer out a trough in the center. Makes a path to flow down into the primary or trans plug hole.
You can hammer something outa sheet steel OR how about a Funnel,, you know, about 1.00 at the dollar store..
OR cut the oil bottle you just used in half,,,,,, Waa Laa,, a funnel..
OR,, take the plastic top off that bottle, poke/drill a hole through it and stuff in some plastic tubing of the corect size to fit tight in the hole you made.. Now you can screw it on the next plastic oil bottle and,, Waa Laa a squeeze bottle..
I use each one of those..
OR,,, ah, you know, you can hammer something outa steel..
__________________ "Fill your hands you son of a bitch"
Rooster Cogburn
I'm getting to like this, Roost Tear. I'm more the, MacGuyVeer Type.
So, those pesky tight filling issues were addressed with the metal off of the bike crates.
Heavy, Hard to bend. Custom fit. No fun nil is nix on the store bought. This is 'special tool' is hammer out that NEED for SPEED.
Flow as you go. DO IT YOURSELF and you have a better filler than any plastic you have to clean a lot and fumble with that big unit. We have something you fit in your palm and in the tool box. Cleans fast. Less surface = Closer to the work. It's all good.
I, ahem found, a small blue funnel with a very slim tube in a kitchen drawer. Fits snugly between the clutch plate and outer primary cover. Funny though, my wife says she lost one just like it. Go figure.
On the fluid level on my 03. I went with the prescribed amount and couldn't see it below the clutch hub the way the manual shows it in the picture. I added a bit more until it was just visible and have now done that every year without clutch slippage so it seems the amount in the manual is a minimum. HD may be making sure we avoid filling it to a level too high on the clutch shell where it would cause slippage.
Im not the smartest man around I (being an electrician) do know ohm's law. not pertenant here! And I don't talk all that fancy mumbo jumbo crap. But I do knows that there wal-marts sells a tube thing that fits on them there gallon jugs, or those quarts bottles, it even twist to stop the flow, think they call that a valve? Or hell just go find some metal cut and pound and weld and them there is a funnel.
__________________ "HELL IS EMPTY, ALL THE DEVILS ARE HERE."
Doesn't your 2002 have a primary chain inspection cover with the four screws? A funnel fits in there just fine. Leave the derby cover on, pull the plug, install plug, add oil in insp. cover. I've added 26 ozs. for 7 years on my 02 and works just fine, my 05 also gets 26 ozs.
Old no. Seven, I guess I looked at the problem so hard I couldn't see the solution, thanks for giving me the good advice without the BS. My 87 FXRS is easier to fill than my 02 deuce, but I can fill em both this way.
Thanks
do it yourself help 
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