Fault
Possible cause
Remedy
Engine overheating
Lack of cooling air
Clean cooling air inlet and cooling
fins
Function of injection system not
correct
Have examined by a specialist
Too much oil in crankcase
Drain the oil down to the MAX-
mark on the dipstick
Engine stops
Fuel tank empty
Fill in fuel
Fuel filter clogged
Check the fuel filter, replace if
necessary
Tank ventilation blocked
Check the tank ventilation
Air in the fuel system
Check the fuel system for air
Check the bleeding valve
Engine runs with high speed, but
no vibration
Centrifugal clutch defective
Change the centrifugal clutch
V-belt
Check tension, replace if neces-
sary
Trouble shooting – Engine problems
BPR 50/55 D / BPR 60/65 D
84
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