The compression ratio of a KTM 450, specifically the KTM 450 SX-F, is typically around 13.5:1. This high compression ratio contributes to the bike's powerful performance and responsiveness. However, variations may exist based on specific model years and configurations. Always refer to the manufacturer's specifications for the most accurate information.
ktm 450 sx
Got this off of KTM talk, 44HP for a 450 exc.
The KTM sx is fast but the yfz is the best for what I do, what kind of riding do you do?
YFZ 450 WILL SMOKE It
A 450 shoud be 90 to mid 90s
No compression means time for a rebuild.
The 2004 ktm 450 EXC has 48Hp
around 80
ktm 450sxf
KTM recommends Motorex Power Synt 4T 10W50
Seat height on the 2010 450 SX-F is 38.78 inches
go to google, type in ktm 450sx quad photos and you will have lots of pictures of ktm four wheelers