Problem Possible cause Solution
The air filter is dirty. Clean the air filter. See Cleaning the
air intake grill and engine cooler on
page 44.
There are air bubbles in the fuel line. Bleed the fuel system.
The fuel is contaminated. Replace the fuel and bleed the fuel
system.
The coolant level is too low. Replenish the coolant fluid. See
Cooling system on page 45.
The cooling system is dirty. Rinse the cooling system.
The overflow tank cap is faulty. Replace the overflow tank cap.
The thermostat is faulty. Contact your Roberine dealer.
The water temperature indicator or
transmitter is faulty.
Contact your Roberine dealer.
The engine oil level is too low. Replenish the engine oil.
The V-belt is loose or faulty. Tighten or replace the V-belt. See V-
belt on page 48.
The idling speed is too low. Increase the idling speed.
The grill, radiator screen or radiator
fins are dirty.
Clean the grill, radiator screen and the
radiator.
The driving speed is too fast for the
circumstances.
Drive slower.
The engine overheats.
The V-belt is broken. Replace the V-belt. See V-belt on
page 48.
The engine oil level is too low. Replenish the engine oil.
The wrong type of fuel is used. Replace the fuel.
The injectors are faulty. Test the injectors.
There is water in the fuel system. Replace the fuel and bleed the fuel
system.
The engine knocks.
The engine has overheated. Clean the radiator and covering
panels.
The fuel filter is blocked. Replace the fuel filter.
The air intake system is blocked. Clean the air intake system. See
Cleaning the air intake grill and engine
cooler on page 44.
The bleed hole in the fuel cap is dirty.
The seat switch is faulty. Contact your Roberine dealer.
Old fuel or the wrong type of fuel is
used.
Replace the fuel.
The fuel level is too low. Refill the fuel tank.
The engine runs erratically or stalls.
The injectors are faulty. Test the injectors.
Troubleshooting 71
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