KTM 500mx Piston

DSC03306, originally uploaded by evanfell. This is the piston from the 1988 KTM 500mx I picked up (see the previous post). You can see the giant gouge that was created as coolant flooded into the cylinder from the blown head gasket. When metal changes temperatures that quickly there’s really no predicting how severe the damage… Continue reading KTM 500mx Piston

Riding at Elevation

Thick Natural Sand, originally uploaded by evanfell. I’ve been out riding off-road a lot lately. This week I’ve been riding up over 8,000 feet and wow is it exhausting. The terrain is rough and the oxygen content is low. If you want to ride up this high and have a carbureted bike you’ll need to… Continue reading Riding at Elevation