B
128
Repair and Service Manual
FAULT TESTING
Read all of SAFETY and this section before attempting any procedure. Pay particular attention to Notices, Cautions, Warnings and Dangers.
699322
Fuel pump faulty
Repair or replace
Fuel line clogged or clamp loose
Clean or replace if required
Cracked or broken fuel line
Replace with new hose
Throttle lever motion restricted
Check all linkages
Dirt or water in fuel line
Clean lines. Replace filter
Clogged fuel filter
Check and replace if required
Engine flooded
Clean/or replace spark plugs
Engine fuel starved
Check fuel lines, filter and pump.
Air intake tube is blocked
Repair or clean
Clogged air filter
Wash or replace as required
Plugged muffler or pipe
Repair or replace
Low compression in engine
Check and repair
ENGINE RUNS ROUGH OR LOSS
OF POWER
Dirty or clogged air filter element
Replace as required
Dirty or incorrectly gapped spark plug
Clean plug and set gap
Faulty ignition wiring
Repair/replace correct wiring
Spark plug wire
Test and replace if necessary
Incorrect valve lash
Check and adjust if required
Weak or damaged valve springs
Replace
Damaged intake/exhaust valves
Replace
Dirt or water in fuel line
Clean lines
Plugged fuel tank vent
Clean or replace vent cap
Muffler damaged or plugged
Repair or replace
Fuel pump vent dirty
Clean and replace if required
Fuel pump has a ruptured diaphragm
Replace
Low compression
Check engine
Poor quality of fuel
Drain and replace with correct clean fuel
Condition
Possible Cause
Correction
Содержание LS2 2020
Страница 1: ...REPAIR AND SERVICE MANUAL 699322 A Issued May 2019 653635 B...
Страница 16: ...B xiv Repair and Service Manual TABLE OF CONTENTS 655827...
Страница 17: ...B TABLE OF CONTENTS xv Repair and Service Manual 655827...
Страница 18: ...B xvi Repair and Service Manual TABLE OF CONTENTS 655827...