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NINJA 250 0-60

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RideOrDie
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Joined: 03 Dec 2014
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PostPosted: 20:12 - 25 Jan 2015    Post subject: NINJA 250 0-60 Reply with quote

Hello
my ninja 2009 shape

has an exhaust and air filter slot in pods
i have been told they are usless without
Power Commander

so i have purchase a power commander to sort the air and fuel ratio
with the exhaust and air filter

Standard 0-60 is 7.5seconds
what would i be able to get to 0-60 >?

as all im intrested in is 0-60
and what else can i do to improve it,
as i dont want a bigger bike im happy with this just want to improve acceleration
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wr6133
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Joined: 31 Dec 2013
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PostPosted: 20:21 - 25 Jan 2015    Post subject: Reply with quote

Smaller front sprocket.

The pod filters may be losing you power
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RideOrDie
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PostPosted: 20:28 - 25 Jan 2015    Post subject: Reply with quote

wr6133 wrote:
Smaller front sprocket.

The pod filters may be losing you power


Hi, i didn't use the pod filters i replaced the standard one with a k&n
slot in filter is that okay?

what smaller sprocket size shall i get?
does it reduce top end of i change
and do i have to also change the rear sprocket or can i leave that
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Musketeer
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Joined: 27 Jun 2011
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PostPosted: 20:30 - 25 Jan 2015    Post subject: Reply with quote

You've got many options:
- bigger rear sprocket
- pink power bands
- engine swap
- jet pack
- warp drive
- flux capacitor
____________________
Current Bike: Yamaha XSR900 Previous bikes: Honda CBR1000RR Fireblade, Kawasaki ZX-6R Ninja, Aprilia RS125 2-stroke
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wr6133
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Joined: 31 Dec 2013
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PostPosted: 20:32 - 25 Jan 2015    Post subject: Reply with quote

RideOrDie wrote:

what smaller sprocket size shall i get?
does it reduce top end of i change
and do i have to also change the rear sprocket or can i leave that


Dropping a tooth on the front is equivalent too adding a few on the rear. It can gain you acceleration but will lose you top end.
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Fladdem
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Joined: 29 Jun 2011
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PostPosted: 22:30 - 25 Jan 2015    Post subject: Reply with quote

Sold your YZF-R125, bought a ninja 250 and got a licence over Christmas did you? Laughing

Chain and sprockets wise, to gain acceleration, you will lose top-end, if your bike has the power to pull all the way to the redline that is. My TTR 250 doesn't have the torque to rev out in top with the standard gearing so actually went faster flat-out with slightly shorter gearing as well as accelerating better, because the engine could actually rev higher to get to the top speed. Thumbs Up May not work with all bikes, but that's what happened with mine.

My CRM is the same, it will only touch a tonne if you thrash it to about 90 in 5th before changing to top, or else the revs drop off and it falls out of the powerband and doesn't have the torque to pick the revs back up into the power, so you have to drop it down a cog or two and begin again.

Have a play with this if you're telling the truth:

https://www.gearingcommander.com/
____________________
Current:1991 Honda MT50 (Soon to be a H100/MTX/MT5 hybrid), 1976 Honda Cub C70, 2005 Honda Varadero 125, 1993 Yamaha TTR250 Open Enduro , 2010 Road Legal Stomp YX140, 1994 Honda CRM 250 MK III, 1999 Cagiva Mito 125, 1992 Honda CB400 Super Four, Stomp T4 230, 1984 Honda H100s, 2009 Sym XS125K
Past:2003 Aprilia RS125, 1982 Kawasaki GPZ550(FREE BIKE!)
I'm having more fun than a well-oiled midget.
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