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6.1 FUEL FILTER
Inside the fuel tank there is a filter which prevents impurities from entering the engine.
The filter should be replaced once a year by your Retailer.
6.2 CARBURETTOR ADJUSTMENTS
The carburettor is tuned by the manufacturer to achieve maximum performance in all situations,
with a minimum emission of toxic gas in compliance with the regulations in force.
In the case of poor performance contact your Dealer for a check of the carburation and engine.
V. Diagnostics
What to do when ...
Source of problem
Corrective action
1. The engine will not start or will not keep running
Incorrect starting procedure
Follow the instructions (see chapter 3)
Dirty spark plug or incorrect distance between the
electrodes
Check the spark plug (see chapter 5)
Air filter clogged
Clean and/or replace the filter (see chapter 5)
Carburation problems
Contact your Dealer
Intake grille open without
having mounted the first
vacuum tube
Close the grille or mount the first vacuum tube (see
chapter 1)
Blower or vacuum tube
not fitted
Fit the tube
2. The engine starts but is lacking in power
Air filter clogged
Clean and/or replace the filter (see chapter 5)
Carburation problems
Contact your Dealer
3. The engine runs irregularly and lacks in power when revved
Dirty spark plug or incorrect distance between the
electrodes
Check the spark plug (see chapter 5)
Carburation problems
Contact your Dealer
Bag full or clogged
Empty the bag (see chapter 4)
4. The engine makes too much smoke
Incorrect composition of the fuel mixture
Prepare the fuel mixture according to the instructions
(see chapter 2)
Carburation problems
Contact your Dealer
5. The machine starts to vibrate abnormally
Damaged or loose parts
Stop the machine and disconnect the spark plug cable
Inspect for damage
Check for and tighten any loose parts
Have all checks, repair work and replacements carried
out by a specialized Centre only.