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November 16th, 2020, 06:05 AM   #1
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Joined: Sep 2014

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I Ride: 09 570 FE / 10 390 FE / 13 350 FE
2010 HUSABERG 390 Clutch Slave cylinder piston seal

Good day guys:
Husaberg 390 loosing mineral oil into engine after it sits for a week or more, I'm sure it will get worse in time.
Does anyone have a part number for the seal on the oem slave cylinder ?
or a recommended fix besides replacing the complete slave cylinder?

Old School is offline  
November 16th, 2020, 10:32 AM   #2
Joined: Feb 2011
From: Netherlands

Posts: 33
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I Ride: fe 450

An O ring does not seal and Ktm does not sell it separately.
It is better to buy a Viton X ring at a bearing shop in your country
The x ring does seal well
for the size see link
ap duijzer is offline  
November 16th, 2020, 06:23 PM   #3
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I Ride: 2010 FE450
I believe this is the O-ring w/ part numbers.

O-rings - O-ring Viton70 Tp2093 Athena Aftermarket Division

And here’s a thread on it. My seal went out in February and replaced it with the KTM part from RMATV. Working fine and even have spares. Might want to order a gasket while yer at it.

Clutch Slave Cylinder O-Ring
manwithgun is offline  
December 8th, 2020, 05:46 AM   #4
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I Ride: 09 570 FE / 10 390 FE / 13 350 FE
Thanks for you help with the part #s and dimensions !
I ended up using a All Balls clutch slave cylinder rebuild kit



PART NUMBER: 18-6009
Your Price: $32.21
Old School is offline  

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