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Aug 31, 2024 | 02:34 PM

#41

Purpledragon

New Member

Joined: Aug 2024

Posts: 4

Likes: 0

From: salisbury

Quote:

Originally Posted by Olegpeg

hi. why does the oil from the gearbox flow into the primaries? It doesn't leak or drip from the motorcycle anywhere.

It could have an internal crack somewhere in the inner primary

Sep 17, 2024 | 05:25 AM

#42

Olegpeg

Thread Starter

Novice

Joined: Aug 2024

Posts: 22

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From: Saint-Petersburg

It seemed to help.

Oct 1, 2024 | 08:16 AM

#43

Olegpeg

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Novice

Joined: Aug 2024

Posts: 22

Likes: 4

From: Saint-Petersburg

great. should I pour oil into the primary in this position of the motorcycle?

Last edited by Olegpeg; Oct 1, 2024 at 08:18 AM.

Oct 1, 2024 | 08:20 AM

#44

Olegpeg

Thread Starter

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Joined: Aug 2024

Posts: 22

Likes: 4

From: Saint-Petersburg

fill it up until it starts to flow?

Oct 1, 2024 | 08:21 AM

#45

Bubba Zanetti

Seasoned HDF Member

Joined: Nov 2006

Posts: 20,977

Likes: 19,068

From: The Wasteland

Quote:

Originally Posted by Olegpeg

great. should I pour oil into the primary in this position of the motorcycle?

I believe you're supposed to have it standing upright. I use a block of wood under the kickstand to make it level when I fill the primary on mine.

Oct 1, 2024 | 09:00 AM

#46

brakeless

Seasoned HDF Member

Joined: May 2017

Posts: 5,915

Likes: 5,928

From: NorCal

Upright.

To this level

Oct 1, 2024 | 09:31 AM

#47

Dan89FLSTC

Seasoned HDF Member

Joined: May 2008

Posts: 21,032

Likes: 12,560

From: South Carolina

Quote:

Originally Posted by Purpledragon

It could have an internal crack somewhere in the inner primary

No...

The inner primary cover surface does not contact the transmission case, only the mount bolt bosses do...

There is no way a crack on the inner primary cover could allow transmission lube to migrate to the primary, if the inner primary cover was cracked the lube would leak out onto the ground.

Last edited by Dan89FLSTC; Oct 1, 2024 at 09:39 AM.

Oct 1, 2024 | 10:15 AM

#48

GREENOHAWK69

Grand HDF Member

Joined: Oct 2006

Posts: 3,651

Likes: 705

From: DFW

Quote:

Originally Posted by brakeless

Upright.

To this level

It's 1 quart in the primary for a 97 & 98 WG, per the Manual.

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Oct 2, 2024 | 12:52 PM

#49

Dan89FLSTC

Seasoned HDF Member

Joined: May 2008

Posts: 21,032

Likes: 12,560

From: South Carolina

When it comes to filling a primary, forget how many ounces the manual says, too many of them are incorrect.

The proper level is when the lube just touches the outer diameter of the outer clutch shell, just like the illustration (bike standing up vertical).

This level is correct for all OEM clutches since mid 1984.