FORK OIL SEALS 36x48x10.5/12 FIR BRAND

This FIR [Factory Image Racing] fork seal-only kit (Part No. 57-006.FIR) is a high-quality replacement for a broad range of motorcycles from Aprilia, Gilera, Kawasaki, and Yamaha. Engineered to meet or exceed OEM standards, these fork seals offer excellent oil retention, reduced stiction, and superior durability—making them ideal for both road and off-road applications. Each unit is factory tested to ensure 100% reliability and is designed to handle increased power loads.

Features

• Meets or exceeds OEM quality

• Direct OEM replacement fork seals

• Factory tested for 100% reliability at point of sale

• Designed for high load and high-performance applications

• High-quality FIR Racing product backed by satisfaction guarantee

• Please verify fitment using product image before purchase

Specifications

• Part number: 57-006.FIR

Cross-Reference OEM Part Numbers

• Athena P40FORK455037

• Yamaha 1KH2314500

• Yamaha 1T42314500

• Yamaha 2AJ2314500

• Yamaha 34X2314500

• Gilera 327586

• Aprilia 8103731

• Kawasaki 920491035

• Kawasaki 920491063

• Kawasaki 920491226

• All Balls 55-109

• MX08893

Vehicle Fitments

• Aprilia
  AF1 125 Europa / Futura 1987

• Gilera
  R1 S 125 1988–1989
  Rally 125 1987–1988

• Kawasaki
  EL 250 B / E 1988–1994
  EL F2 / F5 250 1996–1998
  EX F 250 1988–1998
  GPZ 550 1981, 1984–1987
  GT P 750 1982–1994
  KZ 550 1980–1983
  KZ F1 750 1982–1983
  Z 550 1980–1984
  Z B1 / B2 500 1979–1980
  Z J1 / J3 / GPZ 400 1981–1983
  ZZR 250 1988–2007

• Yamaha
  DT / RD 125 1985–1987
  TT 225 1986–1987
  TT-R 230 2005–2015
  XJ R 750 1981–1983
  XS 750 1978–1979
  XS 850 1980–1982
  XT 225 1992–1996
  XV RH / J / RJ / K 920 1982
  XV Virago 535 1987–1998