13 Tooth front Sproket


Magoo69

Well-known member
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81
Location
Massachusetts
Anybody try a 13 T front sprocket ? Stark sells them so I’m assuming someone has tried it. When I test rode the Stark in single track semi technical trails, I found that in the lower HP settings, 30-40hp it is somewhat hard to wheelie the front wheel over obstacles at slow speeds (logs, roots, rocks and so on).

My thoughts are the 13T would give it a little more pop at lower HP settings?
 

Jocke_D

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53
Location
Sweden
I have been using 13-14-15 front from KTM. No problems. 15 is close but still fits. Will take a look when I remove it if there is any signs of wear to the "sprocket guard".
 

Foss

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154
Location
Vestal, NY
there maybe be a possibility depending on the teeth count for both sprockets and tire size we would need to reach out to Stark to push code to adjust our gear ratio. That’s if people want a close to accurate speedometer off the phone. Hopefully one day Stark allows us to adjust these settings.
 

mike61

Well-known member
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60
Location
Germany
Because of this thread I bought a 13 sprocket.
Today I wanted to change but a 13 was the original.
So I have one for replacement.
 

JJ2

Member
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8
Location
Germany
I've heavily geared mine to 13 teeth front and 49 teeth rear. Mine was 14-47 MX stock version.
I find this makes it more controllable in wheelspin and the top speed is more realistic at 149.3km/h (92.7mph) compared to almost 167.6km/h (104.1mph).
The 13-49 combination is also better for same tooth same link 637 to 329.
The worst combination is 14-48 with only 56.
This is a fantastic website for the calculations

 

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