Radiator Coolant; Cooling System - Honda 2003 NPS50 Ruckus Service Manual

Disconnect the tachometer and install the plug
maintenance lid removed parts.

RADIATOR COOLANT

Support the scooter with its center stand on a level
surface.
Check the coolant level of the reserve tank with the
engine running at normal operating temperature.
The level should be between the "UPPER" and
"LOWER" level lines with the scooter upright on a
level surface.
If the level is low, remove the reserve tank cap and
fill the tank to the "UPPER" level line with a 1 :1 mix­
ture of distilled water and antifreeze (coolant mix­
ture preparation: page 7-5).
NOTICE
Using coolant with silicate inhibitors may cause pre-
mature wear of water pump seals or blockage of
radiator passages.
engine damage.
Check to see if there are any coolant leaks when the
coolant level decreases very rapidly.
If the reserve tank becomes completely empty, there
is the possibility of air getting into the cooling sys­
tem (page 7-7).

COOLING SYSTEM

Using tap water may cause
MAINTENANCE
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