1986-1987 Honda TRX350 FourTrax 4X4, 1987-1989 TRX350D Foreman 4X4 Service Manual, Page 103Get this manual
CLUTCHOil PUMPKICK STARTER Measure the spring free length
SERVICE LIMIT: 31.0 mm (1.22 in)
Replace the clutch discs if they show signs of scoring or dis colorationMeasure the disc thickness
SERVICE LIMIT: 2.3 mm (0.09 in)