Yamaha YZ250 Handbuch Seite 328

WATER PUMP
EC4G5220
Impeller shaft
1. Install:
9 Impeller shaft 1
NOTE:
9 Take care so that the oil seal lip is not damaged
or the spring does not slip off its position.
9 When installing the impeller shaft, apply the
lithium soap base grease on the oil seal lip and
impeller shaft. And install the shaft while turn-
ing it.
2. Install:
9 Plain washer 1
9 Impeller 2
NOTE:
Hold the impeller shaft on its width across the
flats a with spanners, etc. and install the
impeller.
3. Install:
9 Dowel pin 1
9 Gasket (water pump housing cover) 2
4. Install:
9 Water pump housing cover 1
9 Bolt (water pump housing cover) 2
9 Copper washer (coolant drain bolt) 3
9 Coolant drain bolt 4
4-55
ENG
14 Nm (1.4 m•kg, 10 ft•lb)
10 Nm (1.0 m•kg, 7.2 ft•lb)
10 Nm (1.0 m•kg, 7.2 ft•lb)