Zenoah g270rc Manuale Utente

No spark in the spark plug

Spark Plug

1. Wet spark  plug electrodes

Make them dry

2. Carbon deposited on the electrodes

Cleaning

3. Insulation failure by insulator damage

Exchange

4. Inproper spark gap

Adjust to 0.6~0.7mm

5. Burn out of electrodes

Exchange

Magneto

1. Ignition coil inside failure

Exchange

2. Damaged cable sheath or disconnected cable

Exchange or repair

Switch

1. Switch is OFF

ON the switch

2. Switch failure

Exchange

3.Primary wiring earthed

Repair

Sparks appear in the spark plug

Compression & 

1. Over sucking of fuel

Drain excess fuel

fueling is normal

2. Too rich fuel 

Adjust carburetor

3. Overflow

Carburetor adjust or exchange

4. Clogging of air cleaner

Wash with mixed gasoline

5. Faulty fuel

Change with proper fuel

Fueling normal but

1. Worn out cylinder, piston, or piston ring

Exchange

poor compression

2. Gas leakage from cylinder and crank case gasket

Apply liquid gasket and reassemble.

No fuel supply

1. Choked breather air hole

Cleaning

2. Clogged carburetor

Cleaning

3. Clogged fuel filter

Exchange fuel filter