09 Primary Capacity - is manual accurate?

glider

Not so much to one side but either front or rear down if it isn't centered.

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Breeze3at

I changed the primary oil in my '07 Tuesday. I drained it into a clean pan, then poured it into the empty qt. bottle after I filled primary. It filled the bottle to overflowing + 5 oz more into a meas. cup (not one of my wife's).
My red sears lift keeps the bike level side to side, but is kinda sensitive about front to rear placement. I lucked out and got it just right when I changed the rear tire.

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smitty901

Road Glide book says 38oz and 38oz it is .

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Drumrguy

I always run the amount that is shown in the owners manual. If not you know it will come back to bite you.

Trek

I understand running what amount the book says but I thought when in doubt on the amount in the primary the deciding factor was bring it up to the bottom of the basket. Am I confused? Over filled can be as bad as underfilled can it not? Trying to understand.

glider

If in doubt.....but when it's published in the owners manual, that's the difference.

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mstngjoe

I'm gonna post these two pages just for those that don't have a manual and might have some doubt.

Attached Thumbnails

   

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NEWHD74FAN

Just to add a little fat to the fire...1 Liter is 33.81 ounces...and that is what I put in to my tranny (Spectrol comes in 1 liter bottles)...and that gets it to the proper clutch basket level. So I would go with "exactly" what gets to the lower clutch basket with the bike level, as there is always an ounce or two in the various cavities anyway, specially on my Sporty which combines tranny, chaincase and clutch...JMHO.

I would think if level was way high, means more likely splashing and foaming causing poor lubrication and improper draining (causes clutch plates to stick on a Sporty) and if way low means not enough oil "slinging" by the gears and bike movement to get lube up into the far corners to lubricate well, but the level plus or minus a couple of ounces either way probably won't make that much of a difference as the motorcycle is constantly tilting and spinning the gears dipped in the oil to be "slung" around well anyways.

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smitty901

I know about the basket level been around a while.
What I do not understand is why if thats the end all to were level should be why HD does not put that in the book?
Just another one of those things we may never know. But I will stick with manual never had any failures so I will go with what works.

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jaceddie

I've put the 38 oz in and have had no problems.