ORIGINAL CHAIN ??EMAK L66150780 MH 197 RK (K800 HC) Tiller Gears (1/2) MH 197 RKS (K800 HC) Tiller Gears (1/2) MH 198 RK (K800 HC) Tiller Gears (1/2) MH 198 RK (K800 HC) 35cm Tiller Gears (1/2) MH 198 RKS (K800 HC - EURO5) Tiller Gears (1/2)