Massimo 800ATV - Page 148

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8-48

Sheet5:checking methods, solution for common faults of engine system.

S/N

Troubles

Solutions

Check if throttle cable is blocked.

With a laptop can not adjust

the idle speed

Check if the ECU is damaged.

check if the voltage of the battery is lower than specified value.

Check if the output voltage of rectifier under idle speed is lower than

specified value.

Unstable of eninge idle

speed.

Check if the EFI has troubles.

Check if there is one cylinder does not work.

Check if the injector is blocked.

Check and wash the filter element inside the air filter.

Power of the engine

declined.

（spark arrestor）。Check if the muffler is blocked and clean the spark

arrestor.

Check if the air filter and inlet air pipe is air leakage.

Check if the connecting joint of exhaust pipe and engine and muffler is

air leakage.

Engine shooting

Check if the gasoline grade is lower.

Check if the voltage of the battery is lower because of the lower

temperature.

Hard to start engine when

lower temperature.

If the temperature is below -18 ,need to transport the vechile to more ℃

warmer place,and then could start.

MASSIMO MASSIMO MASSIMO MASSIMO MASSIMO MASSIMO

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