72cc cilinderkit met complete cilinderkop voor 50cc 139FMB of 72cc 147FMB 4T-motorblokken 16mm Top in good condition

Top in good condition

TNT city and other replicas

Original / standard type handlebar set - black

Suitable for mounting on Chinese forks with 26 mm or 31 mm fork legs

Odometer Dax up to 70km/h

72cc cilinderkit met complete cilinderkop voor 50cc 139FMB of 72cc 147FMB 4T-motorblokken 16mm Top in good conditionProduct Description Give your horizontal 50cc four stroke engine more torque and better performance with this complete 72cc cylinder and cylinder head kit. The kit is designed for Chinese 139FMB and 147FMB complete engines, as used in various Dax, Monkey, PBR, Cub, and other replicas with a horizontal four stroke engine. A 139FMB is typically a standard 50cc horizontal four stroke engine block. This set increases the displacement to approximately