11.0:1
12.0:1
Silver
Stock 04 250 EXC has29 hp.
.7 L
About 72 mph with stock gears.
Front: 21" Rear: 18"
650cc of 10w30
48 hp
200
The 2004 ktm 450 EXC has 48Hp
Just about everything, following is some differences between the 450 SX and 450 EXC.The EXC is a 6 speed with a dry weight of 252 lbs, compression of 11.9:1, electric start and is street legal.The SX is a 4 speed with a dry weight of 231 lbs, compression of 12.5:1, kick start (09 450 is e-start I believe) and is not street legal.
The 686 was introduced in 1980. IN a 2004 gn value book, the values run poor fair good VG Exc NIB 100 150 200 250 300 375 present values will be a bit higher, but not much.