Honda Motorcycle Owner's Manual page 96

Adjustment:
Drive chain slack should be checked and
adjusted, if necessary, every 600 miles (1,000
km). When operated at sustained high speeds or
under conditions of frequent rapid acceleration,
the chain may require more frequent
adjustment.
If the drive chain requires adjustment, the
procedure is as follows:
88
1. Turn the engine off, place the motorcycle on its
center stand and shift the transmission into
neutral.
2. Loosen the bearing holder pinch bolt (1).
3. Turn the bearing holder (2) clockwise or
counterclockwise to obtain the proper chain
slack with the pin spanner (3).
4. Torque the bearing holder pinch bolt to: 55
Nm(5.5 kg-m, 40 Ib-ft)
5. Recheck chain slack. Chain slack should be:
15-25 mm(0.6-1.0 in)