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coffee_brake

Post subject: Bleeding Hydraulic Valves

Posted: Mon Feb 23, 2009 2:47 pm

Legendary 300

Joined: Sun Oct 21, 2007 9:17 pm
Posts: 317
Location: Augusta, GA

The '92 Nighthawk that I am re-assembling has hydraulic valves and the Clymers says I must bleed them before reinstalling them. Says there's a special tool that will force kerosene into the tappet.

Why? Do I need the special tool? Is there a way around it? Is there a generic tool or a homemade setup?

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Jenn S.
AMA #658162
2005 Concours
2001 Vmax
1992 CB750

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Wrider

Post subject:

Posted: Tue Feb 24, 2009 12:01 am

Site Supporter - Gold

Joined: Wed Aug 16, 2006 6:46 pm
Posts: 5177
Location: Colorado Springs, CO
Real Name: Ryan
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My Motorcycle: 2005 Kawasaki Z750S

The kerosene is to completely clean them out and flush the old oil out of them.

Not sure why you'd need a special tool on it though. If they're like the others I've seen you can just submerge them in a bath of kerosene and pump them until they're clean, then to the same in oil and reinstall them.

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Have owned - 2001 Suzuki Volusia
Current bike - 2005 Kawasaki Z750S
MMI Graduation date January 9th, 2009. Factory Certifications in Suzuki and Yamaha

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coffee_brake

Post subject:

Posted: Tue Feb 24, 2009 10:28 am

Legendary 300

Joined: Sun Oct 21, 2007 9:17 pm
Posts: 317
Location: Augusta, GA

Pump them with what? What device do I use to pump the old oil from the tappets?

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Jenn S.
AMA #658162
2005 Concours
2001 Vmax
1992 CB750

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Johnj

Post subject:

Posted: Tue Feb 24, 2009 1:50 pm

Moderator

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Location: Kansas City KS
Real Name: Johnny Strabler
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My Motorcycle: A Bolt of Lightning

I've used a set of channel-lock pliers.

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Always wear a helmet, eye protection, and protective clothing. Never ride under the influence of drugs or alcohol.

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Wrider

Post subject:

Posted: Tue Feb 24, 2009 7:18 pm

Site Supporter - Gold

Joined: Wed Aug 16, 2006 6:46 pm
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Location: Colorado Springs, CO
Real Name: Ryan
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Years Riding: 4
My Motorcycle: 2005 Kawasaki Z750S

Just pump them by hand by collapsing them and expanding them repeatedly until there's no air or old oil left in them.

_________________
Have owned - 2001 Suzuki Volusia
Current bike - 2005 Kawasaki Z750S
MMI Graduation date January 9th, 2009. Factory Certifications in Suzuki and Yamaha

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coffee_brake

Post subject:

Posted: Wed Feb 25, 2009 10:42 am

Legendary 300

Joined: Sun Oct 21, 2007 9:17 pm
Posts: 317
Location: Augusta, GA

OK, I didn't even know there was a moving part in that little...thing. I can do this!...I hope.

_________________
Jenn S.
AMA #658162
2005 Concours
2001 Vmax
1992 CB750

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Wrider

Post subject:

Posted: Wed Feb 25, 2009 1:52 pm

Site Supporter - Gold

Joined: Wed Aug 16, 2006 6:46 pm
Posts: 5177
Location: Colorado Springs, CO
Real Name: Ryan
Sex: Male
Years Riding: 4
My Motorcycle: 2005 Kawasaki Z750S

you can do it! We've got confidence in you!
Cof-fee Brake!
Cof-fee Brake!
Cof-fee Brake!
Cof-fee Brake!
Cof-fee Brake!
:laughing:

_________________
Have owned - 2001 Suzuki Volusia
Current bike - 2005 Kawasaki Z750S
MMI Graduation date January 9th, 2009. Factory Certifications in Suzuki and Yamaha

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coffee_brake

Post subject:

Posted: Wed Feb 25, 2009 6:21 pm

Legendary 300

Joined: Sun Oct 21, 2007 9:17 pm
Posts: 317
Location: Augusta, GA

_________________
Jenn S.
AMA #658162
2005 Concours
2001 Vmax
1992 CB750

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Bleeding Hydraulic Valves

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