January 17th, 2014, 01:57 PM | #1 | |
Jedi on Two Wheels
Name: Cameron
Location: Kent Island
Join Date: Nov 2013 Motorcycle(s): 2010 Kawasaki Ninja 250r (Slightly Modded) Posts: 489
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Advice on Suspension Upgrade?
I started to get some interest in upgrading suspension to be more tuned to my weight and riding style. I contacted a RaceTech approved shop and they gave a quote that was somewhat pricier than I expected. I'll post the email
Quote:
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January 17th, 2014, 02:01 PM | #2 |
wat
Name: wat
Location: tustin/long beach
Join Date: Sep 2009 Motorcycle(s): wat Posts: Too much.
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those are standard if not cheap prices
i think those numbers for stock are not correct though. go to the race tech website and do the calculations yourself. you can do the service yourself. you don't need emulators if you're going to swap the rear you might as well upgrade to a gsxr shock while you're at it. buy a used gsxr shock ($40 ebay) and respring it before you put it on. then just swap the front springs and fork oil
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January 17th, 2014, 02:02 PM | #3 |
Jedi on Two Wheels
Name: Cameron
Location: Kent Island
Join Date: Nov 2013 Motorcycle(s): 2010 Kawasaki Ninja 250r (Slightly Modded) Posts: 489
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January 17th, 2014, 02:05 PM | #5 |
wat
Name: wat
Location: tustin/long beach
Join Date: Sep 2009 Motorcycle(s): wat Posts: Too much.
Blog Entries: 5
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if you can turn a wrench you can install new suspension. i dont think anyone should pay someone else to do something they can do themselves, so if you are physically able to ride a bike, i would think you should be physically able to fix it.
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January 17th, 2014, 02:08 PM | #6 |
The Corner Whisperer
Name: Chris (aka Reactor)
Location: Northern KY
Join Date: May 2011 Motorcycle(s): 2010 250 (track), 1992 250, 2006 R6 (street/track), 2008 R6 (track) Posts: Too much.
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Seems par for course for a dealer or shop. I just did this not to long ago on my 250. If you can't follow this DIY, you need to pay someone else or get some local help.
Here is another reference.
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Goal: Shake A Million Hands | Look through the corners | Track Day Prep | Closest track? | The Mid-Ohio School |
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January 17th, 2014, 02:12 PM | #7 |
The Corner Whisperer
Name: Chris (aka Reactor)
Location: Northern KY
Join Date: May 2011 Motorcycle(s): 2010 250 (track), 1992 250, 2006 R6 (street/track), 2008 R6 (track) Posts: Too much.
MOTY 2015, MOTM - Nov '12, Nov '13
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Nope, I think for where you are at with your riding, you can get a better feel with just the super cheap spacer mod. And you should be able to complete it easily yourself. If you feel you need more, then go the route of springs, emulators and maybe even some caps. And after doing the spacer mod, you just might feel better about doing the springs yourself. See were I am going here?
Like I said in other threads, you can get within 4 seconds of multiple track records with the stock bits. You shouldn't be riding THAT hard on the street.
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Goal: Shake A Million Hands | Look through the corners | Track Day Prep | Closest track? | The Mid-Ohio School |
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January 17th, 2014, 02:15 PM | #8 |
Ms. Personality
Name: CB
Location: Murvill, TN
Join Date: Jan 2009 Motorcycle(s): Depends on the week you ask Posts: A lot.
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January 17th, 2014, 02:17 PM | #9 |
The Corner Whisperer
Name: Chris (aka Reactor)
Location: Northern KY
Join Date: May 2011 Motorcycle(s): 2010 250 (track), 1992 250, 2006 R6 (street/track), 2008 R6 (track) Posts: Too much.
MOTY 2015, MOTM - Nov '12, Nov '13
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Cause he aint gunna notice the difference until later. It's a bit of cart before the horse.
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Goal: Shake A Million Hands | Look through the corners | Track Day Prep | Closest track? | The Mid-Ohio School |
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January 17th, 2014, 02:19 PM | #10 |
Ms. Personality
Name: CB
Location: Murvill, TN
Join Date: Jan 2009 Motorcycle(s): Depends on the week you ask Posts: A lot.
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Ok
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January 17th, 2014, 02:26 PM | #11 | |
Jedi on Two Wheels
Name: Cameron
Location: Kent Island
Join Date: Nov 2013 Motorcycle(s): 2010 Kawasaki Ninja 250r (Slightly Modded) Posts: 489
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Quote:
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January 17th, 2014, 06:33 PM | #12 |
Rode with the Dinosaurs..
Name: Joe
Location: middle of the pacific
Join Date: Nov 2013 Motorcycle(s): '08 Ninja 250 Posts: 486
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+1 - On the Sonic Springs. I also used heavier oil and it made a world of difference in the overall ride. Didn't go with emulators myself as I only use my bike as a daily commuter and the roads around here suck anyway.
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January 18th, 2014, 12:20 AM | #13 | |
ninjette.org member
Name: mania
Location: Asia
Join Date: Oct 2012 Motorcycle(s): 2013 250 Posts: 242
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Quote:
Nice folks to work with & prices are very reasonable. Changing to better fork springs geared towards your weight & usage has to be one of the best value per dollar mods. |
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May 20th, 2014, 05:44 AM | #14 |
ninjette.org guru
Name: Danger
Location: Canada
Join Date: Jan 2011 Motorcycle(s): 15 CBR300R, 14 BWS50, 09 FZ1, 09 Ninja 250, 06 CRF450R Motard, 03 ZX-6R Posts: 422
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I'm looking to purchase Sonic .75 springs for my 09 250 and plan to use 15 weight fork oil. I weigh 150lbs and want to fix the wallowing I experience in the corners. I still have the stock rear shock and I'm not sure if I will replace it. What's everyone's thoughts on upgrading the front springs and leave the stock rear shock? Thank you.
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May 20th, 2014, 06:21 AM | #15 |
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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I have the front setup with emulators, .90 racetech springs, preload adjusters, high quality fluid, the standard works for the stock housings on my track bike. It works reasonably well and I would highly recommend it if you have excess cash to blow through.
I have done 4 or 5 sets of emulator/spring installations now and I would personally rate it around a 3 or 4 on the 1-10 scale of installation difficulty. But then again I have done pretty much every type of mechanical work so my scale is a bit off. Now that being said, on my commuter Ninjette I have .80 racetech springs, preload spacers, and high quality fluid. I didn't need the adjustment for the street bike I saved the cash. It does just fine.
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May 20th, 2014, 07:02 AM | #16 |
ninjette.org guru
Name: Danger
Location: Canada
Join Date: Jan 2011 Motorcycle(s): 15 CBR300R, 14 BWS50, 09 FZ1, 09 Ninja 250, 06 CRF450R Motard, 03 ZX-6R Posts: 422
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Did you leave the stock rear shock in place on your street 250?
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May 20th, 2014, 09:25 AM | #17 |
EX500 full of EX250 parts
Name: Bill
Location: Grand Rapids-ish, MI
Join Date: Jul 2012 Motorcycle(s): '18 Ninja 400 • '09 Ninja 500R (selling) • '98 VFR800 (project) • '85 Vulcan VN700 (sold) Posts: A lot.
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According to RaceTech's calc, the NewGen's fork springs are too light for any human rider (they suggest 50% stiffer for a 100lb rider), but the rear is sprung for about 220lb. It will be a bit mismatched with only the fork springs swapped, but it'll be much closer than stock.
The PreGen's rear spring is actually pretty close for your weight, but the PreGen's shock is shorter and not adjustable. I don't know of an easy way to get a slightly softer rear spring on the NewGen. One of the GSXR shocks that are commonly swapped might have a spring in the right range. *shrug* |
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May 20th, 2014, 11:53 AM | #18 |
ninjette.org guru
Name: Danger
Location: Canada
Join Date: Jan 2011 Motorcycle(s): 15 CBR300R, 14 BWS50, 09 FZ1, 09 Ninja 250, 06 CRF450R Motard, 03 ZX-6R Posts: 422
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I'm going to try doing the front end first. I have a ZX-6R with a Hyperpro shock and Ohlins spring set to my weight so know what a huge difference properly setup suspension can make.
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May 20th, 2014, 12:16 PM | #19 |
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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actually have stock shock on both, but have raising link on track bike. Track bike is getting GSXR shock shortly.
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Keep it rubber side down and enjoy the ride Get healthy - Get Fit - Change Your Life Click Here Or PM Me To Find More - Advocare |
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May 20th, 2014, 12:26 PM | #20 |
ninjette.org guru
Name: Danger
Location: Canada
Join Date: Jan 2011 Motorcycle(s): 15 CBR300R, 14 BWS50, 09 FZ1, 09 Ninja 250, 06 CRF450R Motard, 03 ZX-6R Posts: 422
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Great. Thank you. Let me know if you decide to sell the raising link. Where did you buy it?
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