Maintenance & Technical > KX500 Original

Drag racing a KX 500 gears???

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wicked500:
we are dragging about 1/8 mile i went outside and looked at my bike it has a 16t front sprocket and a fancy looking rear aluminum sprocket and a serial number that ends and says 50t so im pretty sure i have a 16t front and a 50t rear im thinking about leaving the 50 in the rear and going with a 13t or 14t upfront whats your input? can i leave the same chain? it looks like a quality chain thank you for all the replies

jfabmotorsports.com:
I always replace chain and sprockes together. 14/47=3.35:1  15/50=3.33:1 (my gearing...love it) and if I was lighter, Im 195lbs, I would try 16/50. 

wicked500:
im 5'8 155lbs does that play into factor on how gear my bike? should i leave the 16t 50t combo thats on it? the combo i have what is that best for???

jfabmotorsports.com:
LBS plays a huge part. I would try it. The front sprocket is the cheep one... change it first.

wicked500:
should i go with a 13t front or a 14t front

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