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Old April 4th @ 09:35 pm   #1
Noni47's Avatar
From: Las Vegas, Maryland & Silverado Ranch

Motorcycle: 2011 yamaha r6 raven
so I'm picking up a bike for my girlfriend this weekend. She is 4' 11" she sat on the ninja 250 a couple days ago to see if she could touch the ground. She barely can get her toes to touch. So my question is if I get a lowering link and 1" risers and lower the bike would it effect the handling on it traumatically? Or should I just have the seat shaved? Also who can install the parts for me if I do go that route.



Old April 4th @ 09:50 pm   #2
MarvelousMatt's Avatar
From: Northwest

Motorcycle: Kawasaki Ninja 250R
Don't do it....

Handling is all the bike has going for it. Just remind her she doesn't need both feet to touch simultaneously. Just my opinion. Motorcycle companies spend lots of time and millions of dollars making sure their bikes are geometrically appropriate for the purposes of motorcycle riding. Messing with them (lowering, extending swing arm etc) is generally not a good idea.

Last edited by MarvelousMatt; April 4th at 09:53 pm.
Old April 4th @ 10:12 pm   #3
From: LAs VEgas

Motorcycle: 2008 Daytona 675
How do I lower the seat height/get my feet more firmly on the ground?
You can lower the bike by installing adjustable links to your bike's swingarm. The suspension links are from Adjustment Tech Racing and cost about $250. This is not really advised, due to the fact that it can, and usually does, cause bad handling that will be WAY worse than having to get comfortable on tip-toes when stopped.
Things that should be tried first are:
Shave the seat
Buy boots with taller soles
Buy smaller tires (Pirelli MT 75, Avon AM 51-52) This is quite often the only mod needed to get the bike low enough.
Once you are comfortable with the bike, you don't need both feet firmly on the ground at stops anyway (just one).
Other suggestions for short people.
General Disadvantages
The lowering kit disrupts the fine handling and at best makes the 250 act like a cruiser (it lowers the back and extends the front some). This is well known among racers and is why novice racers will tend to run wide on corners if their rear shock isn't up to the task. At worst it will make the bike Extremely twitchy at speed and have drastically less front tire traction. Changing the geometry of the bike is something that should only be done after consulting with professionals... and there's not a suspension company in the world that'll lower the back with just dogbones and not modify the shock to still work correctly. Most often the front forks will need to be lowered, to try and keep some semblance of the correct geometry. It's just a lot more complicated, with much worse consequences, than most people think.
Use the BrianM litmus test: Would you want your significant other riding a bike that didn't handle as well as it should? The best alternatives, after the "things to try first" mods described above, are:
Get used to stopping with just one full foot down.
Put both feet down on tip toes.
Ride a different bike that will allow your feet to be down until you're comfortable enough to ride the bike you want.
Other Disadvantages
You have to shorten the side stand so the bike won't fall over to the right side.
It's more difficult to use the center stand. A fix for this is to roll the rear wheel up on a 2 x 4 and then put it on the center stand.
It does slow your steering down slightly if you lower only the rear, which effectively pushes out the front forks. This could cause unplanned handling difficulties.
The major concern is that you lose cornering clearance!! Dropping the rear only 1 1/4 inch, you can still lean over quite far without touching anything down. When you go down 1 7/8 inches, however, the side stand can hit on the left and the pipe on the right. The center stand does not hit first. You lose a lot of the aggressive cornering ability that this little Ninja is noted for.
The above figures are with an EX500 shock, so stock shock cornering clearance will be much worse. It is strongly recommended to install an ex500 (or better) shock with this modification!!!
Old April 4th @ 10:19 pm   #4
MarvelousMatt's Avatar
From: Northwest

Motorcycle: Kawasaki Ninja 250R
What center stand on a '12 Ninja 250?

but the moral of the story... bad idea

Last edited by MarvelousMatt; April 4th at 10:22 pm.
Old April 5th @ 06:40 am   #5
R1_Demon's Avatar
From: The Devil's Playground

Motorcycle: Shift Red 2005 Yamaha YZF-R1
I would agree with the others. Not a good idea to use lowering links.

If anything, shave the seat if she doesn't feel that comfortable on it. I'm sure it's cheaper and safer than changing the geometry of your suspension if you're not an engineer and do it properly.
Old April 5th @ 07:18 am   #6
From: Las Vegas

Motorcycle: 09 yamaha fz6r
I say lower it until she gets used to riding it then set it back to normal when she is used to it.
Old April 5th @ 08:01 am   #7
vegaseric's Avatar
From: Las Vegas/Summerlin

Motorcycle: 2005 Suzuki Hayabusa LE/2007 Suzuki GSXR600/2000 Honda CBR600F4
If she is close to being able to touch the ground on a stock bike, have the seat shaved.
Old April 5th @ 12:38 pm   #8
treadhead's Avatar
From: las vegas

Motorcycle: 2011 ZX6R
Hey brother i was just a ridenow on bolder and they have a seat for a 250 kawi that is made to sit lower on the bike very nice seat might want to check it out.
Old April 5th @ 01:44 pm   #9
tomy's Avatar
From: henderson

Motorcycle: gsxr 750 2007
Shave it clean
Old April 5th @ 01:55 pm   #10
Pcone16's Avatar
From: Las Vegas/Summerlin, NV

Motorcycle: 2009 GSXR-1000
just slap some training wheels on that bad boy!

2012, 250, lowering, ninja, opinions

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