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R
EAR WHEEL TURNING WITH IDLE ENGINE
POSSIBLE CAUSE
Idle rpm too high
Clutch failure
S
TARTING DIFFICULTIES
POSSIBLE CAUSE
Altered fuel characteristics
Start up speed too low or starter system and
motor failure
Incorrect valve seal or wrong valve
adjustment
Flooded engine
Automatic starter failure
Air filter clogged or dirty
Faulty spark plug or incorrect ignition
advance
Dirty carburettor; feeding pump or vacuum
cock failure
Flat battery
Cracked intake union or strips not tightened
properly
237
WORK
Adjust the engine idle speed and the CO%, if requi-
red.
Check clutch springs / masses
WORK
Drain altered fuel and refuel.
Check the starter motor, the system and the torque
limiter.
Inspect the head and/or set the correct clearance.
Start up keeping the gas fully open. If the engine won't
start, remove the spark plug, dry it and before repla-
cing it, start the engine to eject the excess of fuel, kee-
ping the cap connected to the spark plug and the latter
to earth. If fuel has finished; refuel and start up.
Check: mechanical sliding, electric connection and
presence of power supply, replace if required.
Remove the sponge, wash with water and shampoo,
then impregnate it in a 50% mixture of fuel and spe-
cific oil, then press it without squeezing, let it drip and
replace it.
Replace the spark plug or check the ign'ition circuit
components
Remove, wash with solvent, dry with compressed
air or replace
Check the battery charge level, in case of traces of sul-
phation, replace and start the new battery as instruc-
ted in section 4-13
Replace the intake union and check the strip tighte-
ning
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