Manual

Engine Maintenance And Servicing Manual
Carburetor engine faults, causes and corrections
1. Engine does not run during starting:
Cause Correction
(1). Battery wires are loose or corroded Reconnect or replace the wires
(2). Battery is discharged or damaged Recharge or replace the battery
(3). Starter circuits is opened or loosed or not energized Energize or replace the harness
(4). Starter solenoid valve or switch is damaged Replace starter solenoid valve or switch
(5). Starter is damaged Replace starter
(6). Flywheel gear ring or starter pinion is loosed or damaged Replace flywheel gear ring or starter
(7). No engine ground wire or ground wire is disconnected Connect or replace the ground wire
2. Engine runs but no spark exists during starting:
Cause Correction
(1). Battery is discharged (engine run slowly) Recharge or replace battery
(2). Battery wire connector is loosed or corroded Reconnects or replace battery
(3). Ignition parts is damp or damaged Replace ignition parts
(4). Ignition part harness is opened, loosed or not energized. Reconnect or replace harness
(5). Spark plug is burned away, damaged or
Spark plug gap is not correct. Replace spark plug
(6). Main mechanism is damaged (for example, camshaft) Check and service
3. Difficult to start for engine when temperature is low:
Cause Correction
(1). Battery discharged Recharge battery
(2). Battery connector loosed or corroded Connect or replace the battery wires.
(3). Spark plug is corroded, damaged or the
Spark plug gap is not right. Replace spark plug
(4). Other ignition system problems Check and service
(5). Low cylinder compression pressure Sent to service spot for check and service
4. Difficult to start for engine when temperature is high:
Cause Correction
(1). Air filter is dirty or blocked Clean air filter core or replace case
(2). Low cylinder compression pressure Sent to service spot for check and service
(3). Hydraulic valve lifting rod is damaged Replace the lifting rod
5. The starter noise or rough engagement.
Cause Correction
(1). Flywheel gear ring or starter’s pinion loose or broken Replace flywheel gear ring or starter
(2). Starter retaining bolt loose or missing Tighten retaining bolt or replace bolt
(3). The parts in Starter worn out or damaged Replace starter
PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn