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- Piston outer diameter 38mm
- Piston length 36.2mm
- This kit includes a single piston with matching internal oil seal and outer dust seal
- Suitable for Japanese bikes only
Replacement aftermarket part for the following OEM numbers:
- Yamaha 4W1-W0057-00, 4W1-W0047-00, 4X8-W0057-00, 2JK-W0057-00, 4X8-25814-00
fits models
RD250LC 1981 4L1 EUROPE 214L1-332E2
RD350LC 1982 4L0 EUROPE 214L0-300E1
RD50 1986 2FR ENGLAND 262FR-310E1
RD80 1982 12G EUROPE 2212G-300E1
RX50 50SPECIAL 1983 (D) USA
RX50 50SPECIAL 1984 (E) USA
RX50K 1983 (D) USA
XJ1100 MAXIM 1982 (C) USA
XJ550 1981 4V8 EUROPE 214V8-300E1
XJ550 SECA 1981 (B) USA
XJ550 SECA 1982 (C) USA
XJ550R SECA 1982 (C) USA
XJ550R SECA 1983 (D) USA
XJ750R SECA 1981 (B) USA
XJ750R SECA 1982 (C) USA
XJ750R SECA 1983 (D) USA
XS1100L MIDNIGHT SPECIAL 1981 (B) USA
XV920 VIRAGO 1982 (C) USA