Gas Cap V1

Fuel Tank Gas Cap It fits the TaoTao: ATA 150 G; Bull 150; ATA 250 D; ATA 250 C; ATA 150 B; ATA 250 E; and ATA 250 G, It might also fit for other Chinese 150cc ATVs; and 250cc ATVs

Common cap used on many Chinese made atv's 

inner diameter is about 49-50mm