Genuine Yamaha Internal Anode that fits the following models:
 
Z250D, Z250F, Z300A, F80B, F80C, F100B, F115A, F115B, F130A, F150A, F150B, F150D, F175A, F200B, F200C, F200F, F200G, F225A, F225B, F225C, F250A, F250D, F300B, F350A