2004 Official factory service manual for Yamaha YFZ450S ATV Quad., Page 22Get this manual
SPECIAL TOOLS Tool NoCompressor 90890-04019 YM-04019 Attachment 90890-04114 YM-04114
GEN INFO
Tool nameFunction
Valve spring compressor Valve spring compressor attachment
Illustration
This tool is needed to remove and install the valve assembliesUniversal clutch holder
90890-04086 YM-91042
This tool is needed to hold the clutch carrier when removing or installing the carrier nutValve guide remover5) Valve guide remover4.5)