I am offering a new and original clutch master cylinder (clutch pump) for the Honda models, among others. 

The piston has a diameter of 14 mm and a total length of 39 mm. 

The Honda part number is: 22886-MB0-305

Clutch master cylinder piston set (repair kit), new Genuine Honda parts.

You get what you see in the picture!

Honda original spare parts!

CBR1000F A (87) MOTORCYCLE, USA, VIN # 1HFSC210-HA001001 TO 1HFSC210-HA004655
CBR1000F A (88) MOTORCYCLE, USA, VIN # 1HFSC210-JA100001 TO 1HFSC210-JA100480
CBR1000F A (90) MOTORCYCLE, JPN, VIN # JH2SC240-LM000008 TO JH2SC240-LM002425
CBR1000F A (91) MOTORCYCLE, JPN, VIN # JH2SC240-MM100001
CBR1000F A (93) MOTORCYCLE, JPN, VIN # JH2SC240-PM200002
CBR1000F A (94) MOTORCYCLE, JPN, VIN # JH2SC240-RM300002
CBR1000F A (95) MOTORCYCLE, JPN, VIN # JH2SC240-SM400001
CBR1000F A (96) MOTORCYCLE, JPN, VIN # JH2SC240-TM500001
CBR1000F AC (87) MOTORCYCLE, USA, VIN # 1HFSC211-HA001003 TO 1HFSC211-HA004975
CBR1000F AC (88) MOTORCYCLE, USA, VIN # 1HFSC211-JA100001 TO 1HFSC211-JA100722
CBR1000F AC (90) MOTORCYCLE, JPN, VIN # JH2SC241-LM000006 TO JH2SC241-LM000596
CBR1000F AC (91) MOTORCYCLE, JPN, VIN # JH2SC241-MM100001
CBR1000F AC (93) MOTORCYCLE, JPN, VIN # JH2SC241-PM200006
CBR1000F AC (94) MOTORCYCLE, JPN, VIN # JH2SC241-RM300002
CBR1000F AC (95) MOTORCYCLE, JPN, VIN # JH2SC241-SM400001
CBR1000F AC (96) MOTORCYCLE, JPN, VIN # JH2SC241-TM500001
CBR1100XX A (97) MOTORCYCLE, JPN, VIN # JH2SC350-VM000001 TO JH2SC350-VM002696
CBR1100XX A (98) MOTORCYCLE, JPN, VIN # JH2SC350-WM100001 TO JH2SC350-WM101089
CBR1100XX AC (97) MOTORCYCLE, JPN, VIN # JH2SC351-VM000001 TO JH2SC351-VM000422
CBR1100XX AC (98) MOTORCYCLE, JPN, VIN # JH2SC351-WM100001 TO JH2SC351-