car: honda vti 96
engine oil: castrol 20w50 (changed oil just yesterday)

hindi ba masyadong malapot ung engine oil na yan? what will be the effect.. pwede pa bang gamitin hanggang sa susunond na lang ulit na oil change? (after 7thou km) 3 times a week lang naman ginagamit ung car. yan kasi ung nilagay ng pinsan ko eh.. tsk tsk tsk.. ano bang magandang oil viscosity para sa honda?

thanks in advance!!!