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  #1  
Old 12-07-2010, 06:37 PM
Weekend Warrior
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Default Just Bought

a new KTM125, cuz it's smaller.
What size sprocket would I need to do 200 MPH?

HELP
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Old 12-11-2010, 06:28 AM
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You can use the stock sprocket if you can get the engine RPM's
up to about 23,652 Good Luck !!
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Old 12-13-2010, 04:30 PM
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I don't think you can do 200 MPH on a 125 ????
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Old 12-15-2010, 12:12 PM
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-Facepalm- is this guy serious?
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Old 12-15-2010, 01:02 PM
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The problem isn't with the gearing, it's the motor.

You need to put a Honda engine on it, and you'll get 200mph easy.












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Old 12-15-2010, 01:50 PM
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Just need a couple thousand frijoles, the proper stance and a match.
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Old 12-15-2010, 01:51 PM
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Quote:
Originally Posted by Scootergptx View Post
The problem isn't with the gearing, it's the motor.

You need to put a Honda engine on it, and you'll get 200mph easy.

He could always drop it out of a plane...
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Old 12-15-2010, 02:09 PM
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Those 6-packs work pretty good.
 
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Something like this might work.

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  #9  
Old 12-15-2010, 02:11 PM
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Have you heard of Black Pipe Exhaust??? Adding that and a rejet alone will get you up to AT LEAST 150mph easy. With a green powerband for your bike I bet it would reach over 200mph. I hear square bearing grease for the wheel bearings make a huge difference on reducing friction for high speed racers like yourself.

I'd recommend welding the stearing stem bearing for stability at those speeds tho.
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Old 12-15-2010, 02:13 PM
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Those 6-packs work pretty good.
 
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Quote:
Originally Posted by motox26 View Post
Have you heard of Black Pipe Exhaust???
But if you get one of those, remember to lube your tail pipe regular.
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