Samurider

Masao, a completely ordinary high-schooler, has just purchased a new 1987 Yamaha FZR1000 motorcycle... only to have it completely destroyed by someone who suddenly showed up calling themselves the "Samurider"! It's certainly a nightmare for him, given that he hasn't even made a single payment on his loan! And while Masao is seething with rage, a mysterious transfer student named Sawamura shows up. Masao believes that Sawamura is the "Samurider", and becomes fired up to exact his revenge on him, but...?! Source: Kodansha