There is a small Dealer Stamp on the inside

GPZ1100  1981-

1982 XS400J - Fender

2007 GRIZZLY 400 HUNTER (YFM4FGHW) - Middle Drive Gear

YAMAHA YFB250 YFM25 YFJ200 YFM250 YTM225 Shift Return Spring Guide 52H-18153-00 YAMAHA XZ550 Vision Engine Camshaft # 2 11H-12181-00 There is a small DealerYAMAHA Shift Return Spring Guide OEM Ref. # 52H 18153 00 NOS New Old Stock. SB114 A Fits 1985 YTM225DRN Drive Selector 1985 MOTO 4 (YFM200N) Drive Selector 1986 YTM225DRS Drive Selector 1986 MOTO 4 (YFM200DXS) Drive Selector 1987 MOTO 4 (YFM200DXT) Drive Selector 1988 MOTO 4 (YFM200DXU) Drive Selector 1989 MOTO 4 (YFM200DXW) Drive Selector 1992 TIMBERWOLF 2WD (YFB250D) Drive Selector 1992 TIMBERWOLF 2WD (YFB250D_MN) Drive Selector 1993 YFB250E_MN