ORIGINAL PISTON KIT EMAK L66151166 MH 175 RK (K800 HT) Tiller Shaft and piston MH 197 RK (K800 HC) Tiller Shaft and piston MH 197 RKS (K800 HC) Tiller Shaft and piston MH 198 RK (K800 HC) Tiller Shaft and piston MH 198 RK (K800 HC) 35cm Tiller Shaft and piston