how to remove O2 sensors. help

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May 17, 2009 | 04:58 AM

Solitario

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Joined: May 2008

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From: Spain (Europe)

how to remove O2 sensors. help

hello, I've been told that, at least, in 2009 models, you need a special tool in order to remove the O2 sensors on the head pipe. The tool I've been told I need is HD-27714.

Is it true? can I use a regular tool in order to take the O2 sensors so I can change my headpipe at home?

Thank you for your help

May 17, 2009 | 05:25 AM

kingkingking

Road Warrior

Joined: Dec 2008

Posts: 1,639

Likes: 2

From: Australia

You need to cut a slot in a deep socket and use a long extension. There is a pic in the workshop manual, i can scan it if you really need it.

Last edited by kingkingking; May 17, 2009 at 05:29 AM.

May 17, 2009 | 05:36 AM

Ultra 08

Elite HDF Member

Joined: Jul 2008

Posts: 4,270

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From: Central Virginia

First unplug the wiring connector, remove the header pipe, and use an open end or box end wrench after you get the pipe off. Worked for me.

May 17, 2009 | 05:37 AM

Solitario

Thread Starter

Tourer

Joined: May 2008

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From: Spain (Europe)

please scan that pic. Thank you

May 17, 2009 | 05:42 AM

kingkingking

Road Warrior

Joined: Dec 2008

Posts: 1,639

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From: Australia

Quote:

Originally Posted by Ultra 08

First unplug the wiring connector, remove the header pipe, and use an open end or box end wrench after you get the pipe off. Worked for me.

Of course. I feel a right ****.

Just use a spanner once you have the headers off the bike...

May 17, 2009 | 05:56 AM

maineultraclassic

Elite HDF Member

Joined: Mar 2006

Posts: 4,722

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From: Biddeford, Maine

What's wrong with a 7/8" open end wrench?

That's all I use when I remove / install o2 sensors. I do have a o2 sensor socket, but it's more of a PITA to use then the open end wrench.

Steve

May 17, 2009 | 06:07 AM

WingNut55

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Joined: Apr 2009

Posts: 232

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Nothing.. a tiny little WD40 on the threads ( don't get any on the sensor tip )after you break it lose and a big 7/8" box end, work it out slowly reversing after each full turn so not to pull the threads out, works everyday for me ... The socket sucks and is a wast of time & money..
The socket is if your trying to change the 02 without pulling the head pipe off ...

Quote:

Originally Posted by maineultraclassic

What's wrong with a 7/8" open end wrench?

That's all I use when I remove / install o2 sensors. I do have a o2 sensor socket, but it's more of a PITA to use then the open end wrench.

Steve

Last edited by WingNut55; May 17, 2009 at 06:09 AM.