as highlighted do so,,
that plastic could clog ur oil pathway,, oil is transmitted from sump to head through very narrow pathways,,agar wo band ho gaya tho engine gaya,,
pahla wo nikal lo,, most probable wo clutch wali side khola sa nikal jaya ga,,
ur mechanic is absolutely ******** for troubleshooting,,never go to him for such,,
bhai oil crank case ka breather pipe ma sa bhi nikal satha hay,,,