Ignition Rotor $ 95.00 SKU: 32102-42E00U GP9122 rotor with starter gear. Back to: Electrical Parts ×Close Kokusan Denki Motorcycle ignition components. Kokusan Denki was taken over by Mahle corporation in 2015 so Kokusan Denki is sadly no more. Their old website link is here but no longer works. ( www.kokusandenki.co.jp ) https://www.mahle.com/en/