Problem Possible cause Solution
The fuel supply pipes or fuel filters are
blocked.
Clean the fuel system.
The air filter is dirty. Clean the air filter. See Cleaning the
air intake grill and engine cooler on
page 51.
There are air bubbles in the fuel line. Bleed the fuel system.
The engine is difficult to start.
The fuel is contaminated. Replace the fuel and bleed the fuel
system.
The coolant level is too low. Replenish the cooland fluid. See
Cooling system on page 52.
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 54.
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 54.
11.3 Electrical problems
Problem Possible cause Solution
The connections are loose or
corroded.
Clean and tighten the battery clamps.
The battery contains a dead cell. Replace the battery.
The V-belt is loose or faulty. Check the V-belt. See V-belt on page
54.
The battery does not charge
The alternator is faulty. Check the V-belt. See V-belt on page
54.
The engine speed is too low. Increase the engine speed.
The battery is faulty. Replace the battery. See Replacing
the battery on page 61.
The V-belt is loose or faulty. Check the V-belt. See V-belt on page
54.
The battery warning light remains lit
when the engine is running.
The alternator is faulty. Check the V-belt. See V-belt on page
54.
Troubleshooting 72
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