i have the same car. recently i went pass the 100k mark and i contacted my dealer to get my timing blet replaced but he said that all Mazda 6, 3, 2 cars have timing chains and that last for life of the car
timing belt
Belt
Belt
chain
Timing Belt
timing chain
The Mazda Mpv 2000 timing chain
it has a chain
it is a chain driven timing belt...
timing CHAIN
timing belt
Cam chain.