2002-2006 Yamaha YFR450FAR Service Manual LIT-11616-16-01, Page 340Get this manual
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ELECTRIC STARTING SYSTEM
6.Measure: Brush spring force Fatigueout of specification Replace the brush holder setBrush spring force: 7.6510.01 Nm (7801,020 g, 27.5436.03 oz)
7.Check: