2005-2009 Honda TRX400EX/TRX400X Service Manual, Page 61Get this manual
MAINTENANCE Make sure the master link pins are installed properlyMeasure the master link pin length projected from the plateSTANDARD LENGTH: DID: 1.151.55 mm (0.0450.061 in) RK: 1.21.4 mm (0.050.06 in) Stake the master link pins with the drive chain tool set
MASTER LINK PINS
Make sure the pins are staked properly by measuring the diameter of the staked area DIAMETER OF THE STAKED AREA: 5.55.8 mm (0.220.23 in)
After stakingcheck the staked area of the master link for cracksA drtve cham with clip-type master link mUSI not be used