Excellent condition  very low hour oil injection pump from a super clean 2002 LS2000 jet boat.
This still has clean Yamaha oil dripping out. 
No issues with anything. This will fit, function and last no different than a brand new one.
 Part # 66H-13200-01-00 and updates/replaces older # 66H-13200-00-00
Yamaha fitting chart shows this is original equipment or a revision for the following models

1998 EXCITER SINGLE - EXS1200W OIL PUMP
1998 EXCITER TWIN - EXT1200W OIL PUMP
1998 EXCITER SINGLE - EXS1200W OIL PUMP
1998 EXCITER TWIN - EXT1200W OIL PUMP
1999 EXCITER 135 - EXS1200X OIL PUMP
1999 EXCITER 270 - EXT1200X OIL PUMP