Honda BF135A Manual page 439

8) Install the driven sprocket together with the balancer chain
on the rear balancer shaft by aligning the concave in the
driven sprocket with the projection on the rear balancer
shaft.
TORQUE: 44 N . m (4.5 kgf . m, 33 lbf . ft)
After installation, remove the special tool from the balancer
case assembly.
9) Install the balancer chain guide on the lower block and
tighten the two chain guide bolts to the specified torque.
TORQUE: 12 N . m (1.2 kgf . m, 9 lbf . ft)
10) Pushing the balancer chain tensioner against the balancer
chain, install the balancer chain tensioner on the balancer
holder. Tighten the three 6 x 14 mm flange bolts.
12-10
[2] CONCAVE
[1]
10 x 30 mm
BOLT-WASHER
[5] DRIVEN
SPROCKET
[1]
CHAIN GUIDE
BOLT (2)
[1] BALANCER CHAIN
TENSIONER
6 x 14 (3)
[3] PROJECTION
[4]
REAR BALANCER
SHAFT
[2]
BALANCER CHAIN
GUIDE