honda is slowly working twords making all their engines chain driven, at least their four cyl engines, 03-present accords (4 cyl) are chain any thing older will be belt, civics from 06- present are chain as well including the si. v6's are still belt driven timing most timing belts are recomended to be changed inbetween 90 - 105k miles and while your in there, you might as well get the water pump changed as well, it is driven off the timing belt as well. normaly change all belts at that time, so.....hope this helps