12.0:1
Silver
Stock 04 250 EXC has29 hp.
.7 L
Front: 21" Rear: 18"
About 72 mph with stock gears.
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.