Honda SH300 2006 Manual page 198

COOLING SYSTEM
Remove the reserve tank cap.
Pump out the coolant with a fluid evacuator to drain
the reservoir tank.
Remove the bolt and sealing washer.
Fill the coolant from the filler neck until the coolant
starts dripping from the bolt hole.
Stop filling and install the bolt with a new sealing
washer.
Fill the system with the recommended coolant
through the filler opening up to the filler neck.
Fill the reserve tank to the upper level line and
install the tank cap.
Bleed air from the system as follows:
1. Start the engine and let it idle for 2 – 3 minutes.
2. Snap the throttle 3 – 4 times to bleed air from the
system.
3. Stop the engine and add coolant up to the filler
neck.
4. Install the radiator cap.
Install the following:
– screw and reserve tank maintenance lid
– screw and radiator maintenance lid
– under cover (page 3-9)
– floor side cover (page 3-8)
– luggage box (page 3-5)
– maintenance lid (page 3-4)
7-8
TANK CAP
WASHER
BOLT
"UPPER" LEVEL
RESERVE TANK
BOLT HOLE
FILLER NECK
"LOWER" LEVEL