Mikuni MX40 - Stainless Steel Skin Fitting Installation; Combustion Air Inlet; Fuel System

Mikuni MX 40 Troubleshooting flow chart
Control box : '4 ' flashes - Indicating ' Waterpump failure '
Is the wiring loom
all o .k?
Replace wiring
loom
( see note )
No
Does the heater
start ?
Yes
Does the heater
operate ?
Problem solved
Yes
Replace 3 amp fuse
Bleed radiators
or matrix heaters
Replace water
pump
Yes
No
No
Does the heater
start & cycle
correctly ?
Problem solved
Yes
No
Is the water primed
OK ?
No
Does the heater
start & cycle
correctly ?
Problem solved
Yes
Contact an
authorised
dealer
Yes No