Engine General Information and Diagnosis: 1A-1
Engine
Engine General Information and Diagnosis
Diagnostic Information and Procedures
Engine Symptom Diagnosis
B827H11104001
Condition
Possible cause
Correction / Reference Item
Engine will not start or is
hard to start
(Compression too low)
Worn cylinder.
Replace.
Worn piston ring.
Replace
Worn valve guide or improper valve
seating.
Repair or replace
Loose spark plug.
Tighten.
Slow cranking starter motor.
See electrical section.
Mistimed valves.
Adjust.
Valve clearance out of adjustment.
Adjust.
Engine will not start or is
hard to start (Spark plug
not sparking)
Fouled spark plug.
Clean or replace.
Wet spark plug.
Clean and dry or replace.
Defective ignition coil.
Replace.
Open or short in high-tension cord.
Replace.
Defective generator
Replace.
Defective CDI unit.
Replace.
Engine will not start or is
hard to start (No fuel
reaching the carburetor)
Clogged fuel tank vent hose.
Clean or replace.
Clogged or defective fuel valve.
Clean or replace.
Defective carburetor needle valve.
Replace.
Clogged fuel hose.
Clean or replace.
Clogged fuel filter.
Clean or replace.
Engine stalls easily
Fouled spark plug.
Clean or replace.
Defective generator.
Replace.
Defective CDI unit.
Replace.
Clogged or defective fuel valve.
Clean or replace.
Clogged carburetor jet.
Clean.
Valve clearance out of adjustment.
Adjust.
Engine noisy (Excessive
valve chatter)
Excessive valve clearance.
Adjust.
Weak or broken valve spring.
Replace.
Worn rocker arm and rocker arm shaft.
Replace.
Engine noisy (Noise
seems to come from
piston)
Worn pistons.
Replace.
Worn cylinder.
Replace.
Carbon build-up in combustion chamber.
Clean.
Worn piston pin or piston pin bore.
Replace.
Worn piston rings or ring grooves.
Replace.
Engine noisy (Noise
seems to come from the
cam chain)
Stretched cam chain.
Replace cam chain and sprockets.
Worn cam chain sprockets.
Replace cam chain and sprockets.
Improperly working cam chain tension
adjuster.
Repair or replace.
Engine noisy (Noise
seems to come from
crankshaft)
Worn or burnt bearing.
Replace.
Big-end bearing worn or burnt.
Replace.
Thrust clearance too large.
Replace.
Содержание LT-A400
Страница 1: ...Printed in Japan K8 9 9 5 0 0 4 3 0 7 0 0 1 E K8 ...
Страница 4: ......
Страница 66: ...0C 14 Service Data ...
Страница 165: ...Engine Lubrication System 1E 18 09930 40113 Rotor holder Page 1E 7 Page 1E 8 ...
Страница 227: ...Charging System 1J 15 09930 31921 09930 44541 Rotor remover Rotor holder Page 1J 6 Page 1J 6 Page 1J 7 ...
Страница 232: ...1K 5 Exhaust System ...
Страница 258: ...2D 6 Wheels and Tires ...
Страница 356: ...3D 24 Propeller Shafts ...
Страница 396: ...4D 4 Parking Brake ...
Страница 464: ...6B 13 Steering Handlebar ...
Страница 501: ...Prepared by December 2007 Part No 99500 43070 01E Printed in Japan 504 ...
Страница 502: ...Printed in Japan K8 9 9 5 0 0 4 3 0 7 0 0 1 E K8 ...