@ *O RING 8x1.7 91306-HB3-003 CLUTCH_ADJUSTING BOLT_ORING ALL_50/70/90/110'S WITH_AUTO_CLUTCHES 1/20A (R2061)

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THIS IS AN OEM O RING MEASURES 8x1.7mm FROM OUTSIDE EDGE TO OUTSIDE EDGE MEASURES APPROXIMATELY 7/16 INCHES.