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ROYAL ENFIELD VEHICLE SERVICE MANUAL - EURO IV
289
A. Ignition spark weak
Battery voltage low
Recharge/ replace battery
Spark plug cap / high tension wire
Check & correct
loose / shorted / defective
Spark plug incorrect
Replace with correct spark plug
Spark plug sooty / wet
Check &clean spark plug
Spark plug gap incorrect
Correct spark plug gap
Spark plug insulator cracked
Replace spark plug
No spark from Ignition coil
Check & Replace Ignition coil
Pulsar coil defective
Check & Replace
B. No Ignition spark
Battery dead
Recharge/ replace battery
Spark plug cap / high tension wire
Check & correct
shorted / defective / disconnected
Spark plug insulator cracked
Replace spark plug
No spark from Ignition coil
Check & Replace Ignition coil
Pulsar coil defective
Check & Replace
No Fuel in fuel tank
Fill fuel tank.
Stale / adulterated fuel
Clean fuel tank
Fill with fresh fuel
Fuel Tap in Closed Position
Turn fuel knob to On/Reserve
C. Fuel related
Air vent blocked in fuel cap
Clean air vent/s
Fuel filter clogged
Clean fuel filter
Fuel line pinched
Check & correct fuel line
Ambient temperature too low for
Use Choke for starting in cold
engine to start
conditions
Choke Left ON
Shut OFF choke
D. Compression related
Spark plug loose
Tighten spark plug to torque
Tappets adjusted too tight
Check & adjust tappets to specn
Cylinder head gasket blown
Check & replace
Cylinder head nuts loose
Check & tighten to torque
Cylinder head warped
Check & replace
Valve stem bent, seating area
Check & replace
burnt, excess carbon deposit on
seating area, Valve springs broken
Piston rings sticky/ worn-out
Check & replace
Cylinder barrel / Piston excess
Check & replace
clearance
Symptom
Probable Cause
Remedy
1. ENGINE CRANKS BUT DOES NOT START
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