normaly you need special tool to do timing i think there are no marks on that enginenormaly you need special tool to do timing i think there are no marks on that enginenormaly you need special tool to do timing i think there are no marks on that enginenormaly you need special tool to do timing i think there are no marks on that enginenormaly you need special tool to do timing i think there are no marks on that enginenormaly you need special tool to do timing i think there are no marks on that enginenormaly you need special tool to do timing i think there are no marks on that enginenormaly you need special tool to do timing i think there are no marks on that enginenormaly you need special tool to do timing i think there are no marks on that engine