. ▁ ▁At ▁the ▁Belg ian ▁Grand ▁Prix , ▁a ▁qual ifying ▁session ▁held ▁in ▁mixed ▁weather ▁conditions ▁and ▁grid ▁pen alt ies ▁for ▁three ▁drivers ▁allowed ▁the ▁team ▁to ▁claim ▁its ▁best ▁grid ▁positions ▁of ▁the ▁season , ▁as ▁Sen na ▁took ▁ 1 8 th , ▁one ▁position ▁ahead ▁of ▁Yam am oto . ▁In ▁the ▁race , ▁however , ▁Sen na ▁retired ▁early ▁after ▁suffering ▁a ▁susp ension ▁failure ▁which ▁caused ▁him ▁to ▁spin , ▁whilst ▁Yam am oto ▁finished , ▁al beit ▁a ▁place ▁lower ▁than ▁he ▁had ▁started . ▁The ▁Italian ▁Grand ▁Prix ▁that ▁followed ▁was ▁held ▁at ▁the ▁high - speed ▁Mon za ▁circuit , ▁where ▁the ▁F 1 1 0 ▁was ▁particularly ▁dis adv ant aged ▁by ▁the ▁team ' s ▁lack ▁of ▁a ▁low - down force ▁aer od ynamic ▁package . ▁The ▁drivers ▁qualified ▁slow est , ▁with ▁Sen na ▁again ▁ahead , ▁and ▁were ▁then ▁elev ated ▁a ▁position ▁each ▁when ▁G lock ▁received ▁a ▁grid ▁penalty ▁for ▁an ▁un sch eduled ▁g ear box ▁change . ▁In ▁the ▁race , ▁Sen na ▁was ▁another ▁early ▁ret irement ▁with ▁a ▁failure ▁in ▁his ▁car ' s ▁hyd ra ul ic ▁system , ▁whilst ▁Yam am oto ▁extended ▁his ▁run ▁of ▁finish es ▁with ▁a ▁ 1 9 th   place , ▁ahead ▁of ▁Di ▁Gr ass i , ▁who ▁retired ▁with ▁three ▁la ps ▁to ▁go ▁but ▁was ▁class ified ▁as ▁a ▁finish er . ▁Yam am oto ▁struck ▁one ▁of ▁his ▁mechan