TGB BLADE 425 Service Manual page 157

Install the seal washer into the impeller.
Caution
Washer must be replaced together with the
mechanical seal.
Install the impeller onto the water pump shaft and
tighten.
Torque Value: 1.0~1.4kgf-m
Caution
The impeller is left thread.
Install the dowel pin and right cover gasket. The
rotation water pump impeller, causes the
water pump drive shaft scoop channel, aligns the oil
pump drive shaft flange, install the right crank case.
(9 bolts)
Install the dowel pin and new gasket. Install
the water pump cover with 4 bolts.
To this chapter contents
12. COOLING SYSTEM
Water pump rotor
12-10