What Engine and sprockets

[r_chez_08]

Hi
i am new to karting and wondered what size sprockets i would need to get my partually built kart going about 25mph.
it has 10" wheels, and i was thinking about getting a honda gx160 5.5hp engine. the kart is going to be used on farm tracks.
also, would the engine be good enough.(i am not likely to mod it)

 

[kart_racer20]

what size track are you running it on? if it's a 1/8 or so i'd go with 12tooth clutch gear and a 63 or 64 tooth axel gear that's what i run on my racing kart

 

[Kenny_McCormic]

what size track are you running it on? if it's a 1/8 or so i'd go with 12tooth clutch gear and a 63 or 64 tooth axel gear that's what i run on my racing kart

FARM TRACKSlike back roads and field access paths. I would go with a GX200, use the speed calc http://www.diygokarts.com/speed-calculator.html