66 to 68 cm
The KTM 50 SX Junior is 23 inches, the 50 SX Pro Senior is 25.6 inches.
Seat height is 29.5 inches.
Their is no Pro adventure. Their is a Pro Senior and a Senior Adventure. The Pro Senior (now called the 50 SX) is a liquid cooled version of KTM's 50 cc bikes. The pro has a larger carburetor, pipe and rear disk brakes and a slightly different clutch using washer stacks vs springs in the Adventure. The Pro Senior or SX is faster and is intended for the little MX racers. The Adventure both Jr and Sr's are air cooled versions (ended production in 2007) which are a little tamer and are better suited for the back yard or trail riding. They share the same plastic, seat, and tire size.
Seat height on the 2010 450 SX-F is 38.78 inches
Seat height is 34.4 inches with 16.3 inches of ground clearance.
The 2011 KTM 125SX seat height is 992 mm (39.1 inches)
Seat height on the 09 is 985 mm or 38.8 inches.
According to bikez.com specs, for a 2008 105 SX, seat height is 35 inches.
the engine power and the seat height
the base horse power for a ktm adventure is 100 horse power
i use 40:1 you can use 44:1 50:1 and some more but this is what i recommend
no its automatic