Yamaha WR250F Manuel D'atelier page 276

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RADIATOR
EC456000
HANDLING NOTE
WARNING
Do not remove the radiator cap when the
engine and radiator are hot. Scalding hot
fluid and steam may be blown out under
pressure, which could cause serious
injury.
When the engine has cooled, open the radi-
ator cap by the following procedure:
Place a thick rag, like a towel, over the radi-
ator cap, slowly rotate the cap counter-
clockwise to the detent. This procedure
allows any residual pressure to escape.
When the hissing sound has stopped,
press down on the cap while turning coun-
terclockwise and remove it.
EC454000
INSPECTION
EC444100
Radiator
1. Inspect:
Radiator core 1
Obstruction → Blow out with com-
pressed air through rear of the radiator.
Bent fin → Repair/replace.
EC455000
ASSEMBLY AND INSTALLATION
Radiator
1. Install:
O-ring 1
Radiator pipe 2
Bolt (radiator pipe) 3
10 Nm (1.0 m · kg, 7.2 ft · lb)
NOTE:
Apply the lithium soap base grease on the O-
ring.
2. Install:
Radiator hose 4 (longer) 1
Radiator hose 2 (shorter) 2
To right radiator 3.
ENG