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Motorcycle rear shock rebuild #5444612 06/02/20 12:45 PM
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Reddy45 Offline OP
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Have any of you owned a bike long enough to send off the rear shock for a rebuild? I bought my Triumph with 30K miles on it and now 10k later I think it's time to freshen the rear shock. A brand new OEM unit is $900 and I'm having trouble finding low mileage ones off of wrecked bikes. All the better aftermarket options are easily $1000+.

I found a shop in the NE that can rebuild it for around $300 but haven't figured out how to find a local shop that can do it so I don't have to deal with shipping costs both ways.

Re: Motorcycle rear shock rebuild [Re: Reddy45] #5444622 06/02/20 01:01 PM
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ragtoplvr Offline
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Stock stock not designed to be rebuilt. Only a few have that process figured out. That said it is still a stock shock, even rebuilt still bad ride. Get a aftermarket rebuildable shock. You will not believe the difference.

Rod

Re: Motorcycle rear shock rebuild [Re: Reddy45] #5444638 06/02/20 01:30 PM
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ammolab Offline
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I sent the Nivomat self leveling shock from my BMW K75C back to Germany for a rebuild @ 130,000 miles.

Came back good as new!


1998 Jeep Cherokee
2011 BMW R1200R
2005 Kaw Ninja 250
1994 Jeep Wrangler 2.5L
2016 Chevy SS Sport Sedan
Re: Motorcycle rear shock rebuild [Re: ragtoplvr] #5444647 06/02/20 01:49 PM
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Reddy45 Offline OP
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Originally Posted by ragtoplvr
Stock stock not designed to be rebuilt. Only a few have that process figured out. That said it is still a stock shock, even rebuilt still bad ride. Get a aftermarket rebuildable shock. You will not believe the difference.

Rod


For the riding I do, I just can't justify dropping $1200 on an aftermarket unit.

Re: Motorcycle rear shock rebuild [Re: ammolab] #5444651 06/02/20 01:50 PM
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Reddy45 Offline OP
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Originally Posted by ammolab
I sent the Nivomat self leveling shock from my BMW K75C back to Germany for a rebuild @ 130,000 miles.

Came back good as new!


Glad to hear of a success story. I know those BMW parts are often more complicated for shops to work on.

Re: Motorcycle rear shock rebuild [Re: Reddy45] #5444686 06/02/20 02:34 PM
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Smoky14 Online Content
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Check with Cogent Dynamics. At one time they were my go to outfit for rebuildables.
Smoky


99 Acura 2.3CL 5speed MT
12 Ford Fusion 2.5S 6speed MT
05 Suzuki Bandit 1200.
Re: Motorcycle rear shock rebuild [Re: Reddy45] #5444744 06/02/20 03:40 PM
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LotI Offline
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Does Penske have an application for your bike? I put one on my VFR along with Traxxion Dynamics fork spring and it transformed it. After many years the nitrogen leaked out so it’s due for a rebuild.

Traxxion


03 Honda Interceptor
11 Kawasaki KLR 650
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Re: Motorcycle rear shock rebuild [Re: Reddy45] #5444841 06/02/20 06:27 PM
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ccs368 Offline
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Originally Posted by Reddy45
Have any of you owned a bike long enough to send off the rear shock for a rebuild? I bought my Triumph with 30K miles on it and now 10k later I think it's time to freshen the rear shock. A brand new OEM unit is $900 and I'm having trouble finding low mileage ones off of wrecked bikes. All the better aftermarket options are easily $1000+.

I found a shop in the NE that can rebuild it for around $300 but haven't figured out how to find a local shop that can do it so I don't have to deal with shipping costs both ways.


Here's the thing with suspension. You bought the bike with 30k on the clock and rode another 10k so your concern with cost is absolutely legit. Is it fair to say you never rode that exact bike with prestine suspension? Most OEM suspension comes from the factory undersprung for like a 150# rider and you end up dialing preload just so you're in the meaty part of the spring under full rider weight. That's when you end up running out of travel and close to bottoming out resulting in a harsh ride.

I do agree with other posters that aftermarket is the way to go having low/high speed compression and rebound damping along with ride height and typical preload adjustments for the $1000+ ones you already researched. Benefit is the spring is correct for your weight. OEM shocks also have crappy internals so even if you had the oil changed and recharged, it will still behave the same if it inherently was crappy to begin with. I think most modern day sport bikes have better suspension than decades ago so it does depend on your make/model triumph.

I had my aftermarket shock freshened up and really liked how it absorbs the bumps and tracks the pavement when properly setup for like $150 back many years ago. The problem is now you have a well sorted rear shock, then the front end becomes a liability. Sometimes there's enough adjustment to get that taken care of but in my case, I had the front forks sent out and resprung and revalved. Yes, the difference was absolutely noticeable and would recommend for spirited riders and canyon carvers. It never ends!

Not knowing the type of riding, this may better lead you to your decision. I would really try to find a used aftermarket shock and have a plan for the front suspension too. Not all aftermarket have the full bells and whistles so sometimes you can find a more "street" version offering that may be like a couple hundred dollars less than the "race" version.

I used Lindemann Engineering out in CA back in the day.


2015 Toyota Sienna LE FWD 0w20
2003 Toyota Corolla LE 5w30

2006 Suzuki Vinson LT-F500F 10w40
2004 Harley-Davidson Fatboy FLSTF 20w50
2001 Ducati 996S 20w50
Re: Motorcycle rear shock rebuild [Re: Reddy45] #5444886 06/02/20 07:50 PM
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BusyLittleShop Offline
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I've taken my stock Showa apart and decided it was not worth to
rebuild... technically speaking the piston seal in the shock shock
employs the cheapest material possible... that material is like a gob
of RTV sealant and does not expand sufficiently enough over time and
during hard use... so as the shock body ages and then heats up the
clearances between the piston seal and body grows enough to allow
fluid blow by... the result is the back end of your once planted RC45
begins to moves around a bit...

After market shocks like Ohlins employ the best material possible namely
a Teflon expanding seal around the piston that has the
ability to grow consistently over time and during hard use...

My Ohlins Rear Shock was only $680...
[Linked Image from vfrdiscussion.com]


Larry L
Have a Wheelie NICE day
94 RC45 #2 58,000 on 30 Grade, Currently Mobil 1 5W30 SN
2002 Camaro Mobil 1 5W30
1952 De Havilland Chipmunk



Re: Motorcycle rear shock rebuild [Re: Reddy45] #5445131 06/03/20 09:32 AM
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Bonz Offline
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What specific bike? A "Triumph" is pretty broad.

Daugherty Motorsports rebuilt the stock rear shocks on my ZRX 1200. He said that the stock shocks are a good platform just the valving sucks. Puts their custom compression and rebound valving in along with springs for your weight. Full custom shocks and maintains the stealth stock look.

Re: Motorcycle rear shock rebuild [Re: Reddy45] #5450330 06/10/20 08:43 AM
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Brian553 Offline
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'13 Tiger 800

I'm interested in this thread; I also have this bike and am curious if this can be done.






Re: Motorcycle rear shock rebuild [Re: Brian553] #5450441 06/10/20 11:25 AM
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Reddy45 Offline OP
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Originally Posted by Brian553
'13 Tiger 800

I'm interested in this thread; I also have this bike and am curious if this can be done.


We have the same bike (unless yours is the XC?). Anyway if it's the non-XC then you can indeed have the shock rebuilt since it's a common Showa model. Expect to pay around $150 for labor+parts. Add another $150 if you want a stiffer spring swapped in if you're a heavier dude or ride with lots of luggage on the reg.

Re: Motorcycle rear shock rebuild [Re: Reddy45] #5450575 06/10/20 01:41 PM
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BigCahuna Online Content
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Have you tried buying used off Ebay or some parts seller?.,,

Re: Motorcycle rear shock rebuild [Re: Reddy45] #5451914 06/12/20 09:28 AM
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evoboy Offline
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Have a look at Hagon of the UK, they list a shock for your machine at £299.50, link :-

http://www.hagon-shocks.co.uk/catalog/partdetail.aspx?partno=M66023

Not sure how much shipping and import taxes would be to the US.

They are a longstanding company with an excellent reputation and products at good prices.


Treat others with the respect that you would wish for yourself.
1999 Mitsubishi Evo 6 GSR.Redline,10w40 or Motul 10w40,Trans Redline MTL/MT90 & 75w90.
2005 MV Agusta Brutale 750S, Penrite MC-4ST 10w60
Re: Motorcycle rear shock rebuild [Re: Reddy45] #5454541 06/15/20 03:40 PM
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Brian553 Offline
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Originally Posted by Reddy45
Originally Posted by Brian553
'13 Tiger 800

I'm interested in this thread; I also have this bike and am curious if this can be done.


We have the same bike (unless yours is the XC?). Anyway if it's the non-XC then you can indeed have the shock rebuilt since it's a common Showa model. Expect to pay around $150 for labor+parts. Add another $150 if you want a stiffer spring swapped in if you're a heavier dude or ride with lots of luggage on the reg.


I do have the XC. So they used different rear shocks between the two?






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