March 23rd, 2013, 03:23 AM | #1 | |
ninjette.org certified postwhore
Name: Hansveer
Location: Bombay, India
Join Date: Jan 2012 Motorcycle(s): Ninja 250r - Track whore, Ninja 300 - SOLD, KTM RC390 - Orange Hulk, Ducati 899 Panigale - Red Devil. Posts: A lot.
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GSXR rear shock upgrade
For all the guys using GSX-R600 shocks on your bikes, here's a way you can upgrade your shocks for not "too much" money.
Copied from GSXR.com Quote:
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March 23rd, 2013, 06:39 AM | #2 |
Freedom for Germany
Location: This World
Join Date: May 2011 Motorcycle(s): Ninja 250R-FI Posts: A lot.
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Good find and information, bro. I think this is useful for many shocks.
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March 23rd, 2013, 11:53 AM | #3 |
CVMA / AFM / M1GP #250
Name: Steve
Location: Los Angeles
Join Date: Sep 2009 Motorcycle(s): 2009 Ninja 250r, 2011 Zero S, 2009 KLR 650 Posts: A lot.
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thats badass! I've found that by swapping the softer spring onto the shock, as well as dropping it onto a lighter bike, the damping is pretty darn good. However, the lighter piston and the finer adjustability can never hurt!
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March 23rd, 2013, 11:58 AM | #4 |
ninjette.org certified postwhore
Name: Hansveer
Location: Bombay, India
Join Date: Jan 2012 Motorcycle(s): Ninja 250r - Track whore, Ninja 300 - SOLD, KTM RC390 - Orange Hulk, Ducati 899 Panigale - Red Devil. Posts: A lot.
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Yeah, but the amount of money you need to spend on all that... That could definitely hurt... Lol... Still planning on getting it done tho... Eventually...
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April 8th, 2013, 10:18 PM | #5 |
ninjette.org certified postwhore
Name: Hansveer
Location: Bombay, India
Join Date: Jan 2012 Motorcycle(s): Ninja 250r - Track whore, Ninja 300 - SOLD, KTM RC390 - Orange Hulk, Ducati 899 Panigale - Red Devil. Posts: A lot.
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My new 8.0kg/mm spring.
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April 9th, 2013, 07:42 AM | #6 |
ninjette.org certified postwhore
Name: .
Location: .
Join Date: Feb 2011 Motorcycle(s): . Posts: Too much.
MOTM - Feb '13, Feb '14
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Is there a calculator somewhere online for calculating rear spring rates?
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April 9th, 2013, 08:25 AM | #7 |
ninjette.org certified postwhore
Name: Hansveer
Location: Bombay, India
Join Date: Jan 2012 Motorcycle(s): Ninja 250r - Track whore, Ninja 300 - SOLD, KTM RC390 - Orange Hulk, Ducati 899 Panigale - Red Devil. Posts: A lot.
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The race tech site has one.
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April 9th, 2013, 08:26 AM | #8 |
ninjette.org certified postwhore
Name: .
Location: .
Join Date: Feb 2011 Motorcycle(s): . Posts: Too much.
MOTM - Feb '13, Feb '14
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Link? I've used the one for fork springs, but I have no idea about one for rear springs.
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April 9th, 2013, 08:41 AM | #9 | |
ninjette.org certified postwhore
Name: Hansveer
Location: Bombay, India
Join Date: Jan 2012 Motorcycle(s): Ninja 250r - Track whore, Ninja 300 - SOLD, KTM RC390 - Orange Hulk, Ducati 899 Panigale - Red Devil. Posts: A lot.
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Quote:
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April 9th, 2013, 08:54 AM | #10 |
Big Dreams, Small Wallet
Name: Brad
Location: Memphis, TN
Join Date: Feb 2013 Motorcycle(s): 08 Ninja 250R (Sold), 93 VFR750F (In Pieces) Posts: 508
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I've heard that the online Racetech calculator is not quite accurate. Would probably be a good starting point, but certainly double-check before ordering anything.
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~BRad |
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April 10th, 2013, 07:58 PM | #11 | |
CVMA / AFM / M1GP #250
Name: Steve
Location: Los Angeles
Join Date: Sep 2009 Motorcycle(s): 2009 Ninja 250r, 2011 Zero S, 2009 KLR 650 Posts: A lot.
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Quote:
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1 out of 1 members found this post helpful. |
April 11th, 2013, 06:25 AM | #12 |
Big Dreams, Small Wallet
Name: Brad
Location: Memphis, TN
Join Date: Feb 2013 Motorcycle(s): 08 Ninja 250R (Sold), 93 VFR750F (In Pieces) Posts: 508
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No personal affiliation with this guy, but I've talked to him on a VFR forum and he comes very very highly respected for fork/shock rebuilds and re-valves as well as being an awesome guru on all thing suspension related.
Once I get the money, I'll probably end up having him do all the upgrades on my VFR. I emailed him before I posted this to make sure he was cool with other random bikes and his comment was "Sure, I can help you out with that! I detail on my site the more popular items, but there is a lot more stuff that I do. Doing custom swaps and setups like you mention are the projects I enjoy the most. " http://www.daughertymotorsports.com/
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~BRad |
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April 11th, 2013, 06:37 AM | #13 |
Fighting Texas Aggie '05
Name: Neil
Location: Hutto, TX
Join Date: Feb 2009 Motorcycle(s): '07 ZX6R, '08 Versys, '09 250R Track, '93 F2/F3 Track Posts: A lot.
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Great thread
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March 11th, 2014, 10:31 AM | #14 |
ninjette.org member
Name: red
Location: KL, Malaysia
Join Date: Apr 2013 Motorcycle(s): Ninja 250R, GSXR600 K4, KX250F,NSR150SP, Yamaha TZM150 Posts: 68
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Hi hans, did Racetech made the spring for you or you have them locally made?
I have a company local to me that can make springs for much less cost, but i have to give the dimensions to them (spring total heigth, outlet diameter, coil thickness and number of coils) so if you can provide me with these info it would be awesome! |
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March 11th, 2014, 09:36 PM | #15 | |
ninjette.org certified postwhore
Name: Hansveer
Location: Bombay, India
Join Date: Jan 2012 Motorcycle(s): Ninja 250r - Track whore, Ninja 300 - SOLD, KTM RC390 - Orange Hulk, Ducati 899 Panigale - Red Devil. Posts: A lot.
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Quote:
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March 11th, 2014, 10:24 PM | #16 | |
ninjette.org member
Name: red
Location: KL, Malaysia
Join Date: Apr 2013 Motorcycle(s): Ninja 250R, GSXR600 K4, KX250F,NSR150SP, Yamaha TZM150 Posts: 68
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Quote:
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March 25th, 2014, 09:52 PM | #17 |
ninjette.org member
Name: red
Location: KL, Malaysia
Join Date: Apr 2013 Motorcycle(s): Ninja 250R, GSXR600 K4, KX250F,NSR150SP, Yamaha TZM150 Posts: 68
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I have ordered a sping (based on my weight 70kg as per Race tech). SHould be about 8.22kg/mm
I have a spring maker here that charge me around $30 for a custom made spring Raw material : Steel Wire Diameter : 10mm Outer Diameter : OD 83mm top OD 86.5mm Bottom Inner Diameter : ID 60.2mm top ID 64.3mm bottom Length : 196.5mm Number of Coil : 6 will update here on how it feel |
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June 17th, 2014, 11:47 PM | #18 |
ninjette.org member
Name: red
Location: KL, Malaysia
Join Date: Apr 2013 Motorcycle(s): Ninja 250R, GSXR600 K4, KX250F,NSR150SP, Yamaha TZM150 Posts: 68
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The spring works great. I did get a better laptime on that (that’s all that matters), apart from the ignition advance + Skorpion full system. The spring is softer, so after adjusting the sag I found the riding was lowered. If anoyone is thinking the same thing, consider longer spring or new dogbone to compensate.
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1 out of 1 members found this post helpful. |
May 10th, 2024, 08:45 PM | #19 |
ninjette.org newbie
Name: Andrew
Location: Pawtucket
Join Date: May 2024 Motorcycle(s): 2 750's 1 600 Posts: 1
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Any idea if this or something similar would be beneficial for a rear shock on a 2017 750? Swapping the spring out with a stiffer lighter one next week figured I'd look into other mods
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