Section 03
ENGINE
Subsection 05
(COOLING SYSTEM)
03-05-8
VMR2004_128_03_05A.FM
NOTE:
The water pump gear is held by a needle pin
no. 8
on the water pump shaft.
1. Water pump gear
– needle pin
no. 8
and thrust washer
no. 9
.
1. Needle pin
2. Thrust washer
CAUTION:
When removing water pump shaft,
always replace rotary seal with water pump shaft
no. 5
and oil seal
no. 10
(behind rotary seal).
1. Water pump shaft with rotary seal
1. Oil seal behind the rotary seal
2. Rotary seal bore
Extract the water pump shaft with rotary seal
no. 5
together with oil seal
no. 10
from inside
magneto housing cover with a pusher.
CAUTION:
Be careful not to damage the surface of
the rotary seal bore in magneto housing cover.
1
R400motr142A
1
R400motr143A
2
1
R400motr144A
1
R400motr145A
2