In November 2015, I decided to change the original piston and cylinder of my Honda CBR125R. There are some bore up kits on the market, at least two: one sold by Malossi, and one sold by Athena. Unfortunately, in Japan, the Malossi bore up kit is not available, so I chose the one sold by … Continue reading "Installing Athena 166cc bore up kit on a Honda CBR125R"
Skip to content
Monocilindro Blog: Motorcycles and Electronics
Motorcycles, Electronics, Japanese culture from an Italian Engineer living in Japan