Rato R160, Service Manual

Page: 41 / 78

5
Side electrode of spark plug
has dropped out
Replace spark plug
High-tension cord has
dropped out
Weld it on
Ignition coil is punctured or
short-circuited
Replace ignition coil
Stop engine wire is located
on engine body Find out the meeting position,
separate them and insulate
Others
Cylinder is seriously scored
and valves have dropped out
Repair or replace damaged parts
4-1-7 Oil alert system malfunction
Check the oil alert system with the following method:
1) Disconnect yellow lead of the engine and connect the engine to ground when the engine
is running. Be sure the alert lamp lights up, and the engine stops.
2) Disconnect oil level switch lead under the specified condition with the engine stopped,
and check the continuity of the yellow and green leads, uncontinuity between yellow and
green leads is normal.
3) Disconnect oil level switch lead after draining oil out with the engine stopped, and check
the continuity of the yellow and green leads, continuity between yellow and green leads
is normal.
4)
4-1-8 GASOLINE ENGINE IS OVERERHEATED
TROUBLE CAUSE REMEDY
Yellow lead
（
engine switch
）
Yellow lead (oil
level switch)
Green lead (grounding)