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My two buddies bikes have like "2' - "3 " when you you twist back the throttle to full throttle, but on my bike with a new throttle cable it goes from idle to full throttle in just like a "1" of twist doesn't seem normal is there a way of adjusting this ???

This may sound simplistic, BUT..... are you sure you have the right cable? And is routed the same as the one that came off??

Ya Motion pro from bike bandit

I think closer to 1 1/2" should be about right.
I think the KDX is forgiving enough where it won't hurt you.

What kinda bikes do your buddies have?

honda cr 250, KX 250

Inda's right on the measurement... 1 1/2" or so. Maybe you can loosen the freeplay adjuster for a little extra slack to feel a little better in your hand.

I'm in on this poll, I like hardly any slack, maybe just enough, 1-2mm slack. I find that my wrist and forearm get tired with too much twist motion. Heck if they offered a 60 degree quick throttle, I'd be the first in line.

The answer to this:

re: 'is there a way of adjusting this ???'

is..

No.

With a given throttle tube the amount of movement required from the start of the pull (slide moving) to the end (WOT) will be the same.

I had a Magura throttle tube that was adjustable between 1/4 and 1/2 throttle that I put on the KTM... seemed to give me more control. I think they may still sell them somewhere.

It worked on a pully size system... the smaller pully was for 1/2 and the larger was for 1/4....

I haven't looked for the KDX, but there are a number of aftermarket tubes that come with either different ratios or are 'adjustable' in some way.

There certainly is a way of 'adjusting' it if that means DO something about by replacing/re-engineering stuff...but there is not an adjustment to be done to/with the OEM tube..notwithstanding freeplay. But that adjustment doesn't change the amount of twist required.