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General Category => General Discussion => Topic started by: vf84pc on July 25, 2016, 10:26:32 AM

Title: HD Air shocks and brake adjustment
Post by: vf84pc on July 25, 2016, 10:26:32 AM

I was thinking about putting the HD Showa air shocks on my 04 EVT. Any advise or recomendations? Is there a procedure for adjusting the proportioning brake valve?

Title: Re: HD Air shocks and brake adjustment
Post by: LowRyter on July 25, 2016, 01:35:10 PM

I'd think the brake valve wouldn't need any adjustment so long as the length of the shocks didn't adversely affect the ride height. 

Title: Re: HD Air shocks and brake adjustment
Post by: bigbikerrick on July 25, 2016, 01:40:03 PM

I have a set on my 03 aluminum, I never messed with the adjustment on the proportioning valve myself, but I believe the HD shocks are a bit shorter, so the proportioning valve would sense that swingarm angle as meaning the bike has a heavy load on it. I believe that diverts more braking pressure to the rear to  balance out the braking. 
Rick.

Title: Re: HD Air shocks and brake adjustment
Post by: vf84pc on July 25, 2016, 07:43:10 PM

Yes so how do I adjust that Valve to compensate for the 13" HD shocks vs the 14" stock units.

Title: Re: HD Air shocks and brake adjustment
Post by: Wayne Orwig on July 25, 2016, 07:51:34 PM

(http://thumb.ibb.co/hvic5a/Brake_Valve_2.jpg) (http://ibb.co/hvic5a)


From the service info, it should be 67mm per the drawing, when on the center stand.
I think it you adjust it for this, you will be close.

BTW, I have played a bit with the setting on my 2004, and never did notice a real change.