Sachs Bikes MadAss Reparaturanleitung Seite 205

TROUBLESHOOTING
Engine
Complaint
Engine will not start
or is hard to start.
Engine stalls easily
Engine is noisy
202
Symptom and possible causes
Compression too low
Worn cylinder
Worn piston ring
Worn valve guide or improper valve seating
Loose spark plug
Broken, cracked or damaged piston
Slow cranking starter motor
Mistimed valves
Tappet clearance out of adjustment
Spark plug not sparking
Damaged spark plug
Damaged spark plug cap
Fouled spark plug
Wet spark plug
Defective ignition coil
Open or short in high-tension cord
Defective pick-up coil or CDI unit
No fuel reaching a carburetor
Clogged or defective fuel valve
Defective carburetor needle valve
Clogged fuel hose
Clogged fuel fi lter
Fouled spark plug
Defective pick-up coil or CDI unit
Clogged fuel hose
Clogged carburetor jet
Tappet clearance out of adjustment
Excessive valve chatter
Excessive tappet clearance
Weak or broken valve spring
Worn cam surface
Worn or burnt camshaft journal
Remedy
Rebore or replace
Replace.
Repair or replace
Tighten.
Replace
See electrical section
Adjust
Adjust
Replace
Replace
Clean or replace
Clean and dry or replace
Replace
Replace
Replace
Clean or replace
Replace with cauburetor
needle valve seat
Clean or replace
Clean or replace
Clean or replace
Replace
Clean
Clean
Adjust
Adjust
Replace
Replace
Replace camshaft