1983 Yamaha IT490k (490cc two stroke single cylinder engine). This is a new project bike we have bought for the channel. Only thing we have done to it so far is torque the head down. The first job with this bike is to get it running well to ride, then we'll attack the smaller jobs to make it much better from there. It's not gonna be a concourse restoration and we are gonna ride it hard. First impressions are that the riding position is very different to modern dirt bikes in that you sit in the b