https://motogokil.com/2015/08/07/sonic150r-memilik-rasio-kompresi-cr11-31-tapi-ahm-bilang-aman-minum-premium-debat-kusir-dimulai/
Sonic150R Memilik Rasio Kompresi (CR)=11.3:1. Tapi AHM Bilang Aman Minum Premium. Debat Kusir Dimulai...