2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 92Get this manual
MAINTENANCE PARKING BRAKE ADJUSTMENT Slide the dust cover off the lever bracketTo adjust the clutch lever free play to more than 30 mm (1-14 in), loosen the lock nut at the clutch lever and turn the adjuster all the way inDUST COVER LOCK NUT
CLUTCH CABLE ADJUSTER Loosen the lock nut at the parking brake arm and turn the adjusting bolt clockwise until bolt resistance is feltThen turn the adjusting bolt 18 turn counterclockwise and tighten the lock nut while holding the adjusting boltTORQUE: 18 N-m (1.8 kgf m, 13 Ibfft)