Robin ECO2 User Manual

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CaUSe
Defects in carburetor
Defects in carburetor
Piston or Connecting
Rod seized
Remedy
1) If clogged with dust, clean.
2) If defective. replace.
Clean
jets and other orifices. if they are
clogged.
1) Start engine with fully open choke valve and
fully open throttle valve.
2) Remove spark plug and disconnect fuel pipe,
repeat starting operation several times to evac-
uate excess fuel.
If fuel overflows, check needle valve seat for
wear. Replace. if necessary.
1) If piston seizes, correct or replace.
2) If connecting rod large end or small end
seize, replace.
Preventive measure
~ ~~ ~~ ~
1) Never close choke valve when engine is
warm.
2) When stopping the engine, run it at slow
speed Tor a while. This practice not only
favourably affects next starting,
but also
improves engine life.
3) Clogged aircleaner results in too rich air-
fuel mixture.
Clean
it thoroughly.
Be careful clogged carburetor.
1) Do not use poor grade oil.
2) Use fuel of proper mixing ratio.
8-2 OVERHEATING
1) If the ignition timing is too far advanced, correct to 23' - 27'
2) If too much carbon deposits in the combustion chamber, remove it.
3) If the heat range of the spark plug is too cool, replace it with correct one (NGK BM7A).
4) If the air-fuel mixture is too lean, clean jets and other holes in the carburetor. Clean the aircleaner also.
5) If the load is in excess, reduce it below the specified continuous load.
POWER DROP
If the cylinder, piston or piston rings are worn, replace them.
If the carburetor is out of order, re-adjust or clean it.
If the spark plug is faulty (contamination, gas leakage or faulty insulation), clean it or replace it.
If the magneto or the contact breaker is faulty, replace them or re-adjust them.
If the aircleaner is clogged, clean it.
If the fuel system is clogged, clean it.
If the oil seals at the crankshaft are worn and let the compressed gas through, replace them.
8-4 EXCESSIVE FUEL CONSUMPTION
1) If too rich air-fuel mixture, clean jets and small holes in carburetor.
2) If fuel leakage, re-tighten screws or replace.
3) If beside these causes, also caused by power drop, perform remedies for power drop, according to 7-3. POWER -
DROP.
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Robin ECO2 Specifications

General

Brand	Robin
Model	ECO2
Category	Engine
Language	English