Suzuki LT-Z400 Service Manual page 240

CABLE PLAY ADJUSTMENT
After installing the reverse lock release cable, adjust the cable
play. The cable adjuster is located at inside of the fuel tank right
side cover.
• Loosen the locknut 1.
• Turn the adjuster 2 in or out until the cable play A should be
1 – 2 mm (0.04 – 0.08 in) at the reverse lock release knob.
• Tighten the locknut 1 securely.
• After adjustment, be sure to check for reverse lock function.
CHASSIS 6-93