Have you checked the woodruff key?
im a kawasaki consultant, and a 1998 kx250 tops out at 80-85 mph
The Kawasaki KX250 is a motorcross bike which was introduced 39 years ago in 1974. It has been ridden to various AMA Motorcross wins and won a number of titles.
It's a 2001
see kawasaki . com head is under specs
850ml, its stamped on the side of the crankcase.
That I sx used to refer to their motocross models ie kx250 kx250f and kx450f
SE,SFor SG SAE 10W-30 or 10W-40
The KX250 is a 2 stroke engine the KX250F is a 4 stroke engine
The type of oil that is used in a 1991 Kawasaki KX250, 2 stroke, in the bottom half of the crank case is called gear oil. The best form of this oil is 80-90W Gear Oil made by Standard Oil.
A 2002 KX250 has 55.60 hp as listed at this site. http://www.bikez.com/motorcycles/kawasaki_kx_250_2002.php
Its a 1997 - KX250 Its a 1997 - KX250
Yes u can because ive put a 91 crank into a 92 case.