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New JRI shocks for my ride

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Old Jan 20, 2013 | 04:58 PM
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Default New JRI shocks for my ride

I installed my new JRI shocks and did a test ride today. All I can say is "WOW!" What a huge difference over the old progressive 412's. I haven't ridden very many Harley's, but I can say it feels like a sport bike suspension now- very good bump absorption, compliance, and dampening. They soak up the bumps, but do it very controlled fashion with no wallowing. They are 13" and I was worried about it making the bike too tall, but I think it looks great.

I got them from Howard at motorcyclemetal. Gruff guy in attitude, but knows his Sh...stuff.

I had some aluminum spacers made up so I didn't have to cut my stock shock mounts shorter. I want to be able to swap back to the old shocks if/when I upgrade to another dyna and put the JRI's on that!

The pics:







 
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Old Jan 20, 2013 | 05:42 PM
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Those are really nice shocks and Howard does know whatsup in the suspension game. Question I have is......What did you do to the front end to balance it all out?

Surely the overly mushy fork springs and thin fork oil are shining brightly at every corner!
 
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Old Jan 20, 2013 | 05:58 PM
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Digging my 14" JRI's. Piggy back style and smooth as silk.
 
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Old Jan 20, 2013 | 06:38 PM
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Originally Posted by parts eeter
Those are really nice shocks and Howard does know whatsup in the suspension game. Question I have is......What did you do to the front end to balance it all out?

Surely the overly mushy fork springs and thin fork oil are shining brightly at every corner!
Racetech .95 springs, gold valves, synthetic 15w oil. Did that before the shocks.
 
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Old Jan 20, 2013 | 06:53 PM
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Originally Posted by Hogpro
Digging my 14" JRI's. Piggy back style and smooth as silk.
14 inch shocks, are you racing motocross?
 
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Old Jan 20, 2013 | 09:53 PM
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Originally Posted by zimm
Racetech .95 springs, gold valves, synthetic 15w oil. Did that before the shocks.
Perfect...Did u by chance install these parts yourself?
 
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Old Jan 21, 2013 | 05:48 AM
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Whats the main difference between piggyback and "normal" JRI shocks ?
 
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Old Jan 21, 2013 | 06:47 AM
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Originally Posted by parts eeter
Perfect...Did u by chance install these parts yourself?
I did everything myself except mounting the tires, bead blasting the rear wheel, and painting the rear fender.

Forks were easy, only "issue" is that my dampening rods needed some holes drilled in them. Recommend taking the forks off for the install, makes it a lot easier.
 
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Old Jan 21, 2013 | 06:51 AM
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Originally Posted by QC-RAIDERS-91
Whats the main difference between piggyback and "normal" JRI shocks ?
Piggyback has more nitrogen and shock fluid- good if you're using the suspension so hard the fluid heats up. The big difference is between the emulsion shock and "upgraded" version with the separator floating piston in there to separate the fluid from the nitrogen. The separation keeps the fluid from foaming under hard/fast use. But talking to Howard, I didn't realize that you loose an inch of shock travel having the extra piston in there. As he says it, "You can't put 14" of crap in a 13" shock". Since I'm not on a track or hitting twistie roads super hard, I'd rather have the extra travel for the crappy roads with potholes around here. Plus it was cheaper.

I went with the "B Single Tube Emulsified, Sweep Valve External Valving" shocks. He said that the sweep valve was worth the cost and can't be upgraded later. But the B shocks can upgraded to external res (not the piggy back, but the one with a hose), or more adjustments in the future if required.
 

Last edited by zimm; Jan 21, 2013 at 06:53 AM.
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Old Jan 21, 2013 | 08:39 AM
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I read your build thread and can't help but really appreciate what you've done.

Can i ask roughly how much you have in the process? I saw you paid $3800 for the bike. Did it come out as efficient as you had hoped? The bike looks fantastic!!
 
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