Royal Enfield BULLET TRIALS 500 Owner's Manual page 47

MINOR MAINTENANCE TIPS
SPARK PLUG
CLEANING AND ADJUSTING PLUG GAP
Remove the spark plug cap from the spark plug.

Remove spark plug using the plug spanner and

tommy bar.
Clean the insulator tip and electrodes of the plug

carefully.
Check and set the electrode gap between 0.80 to

0.90 mm.
Gap 0.80 to 0.90 mm.
Refit the spark plug on the cylinder head and refit

the spark plug cap on the spark plug.
INSPECTION OF TYRES AND WHEELS
 Inspect the tyres periodically for tread wear, cracks
and cuts.
Minimum tread depth :
Front tyre : 1 mm
 Check and remove stone, splinters, nails or other
particles embedded in the tyre treads.
 Periodically inspect wheels for spokes breakage
and wheel rim run out.
 Check proper seating of the tyre beading on the
rim whenever the tyre is reassembled.
 Use only recommended tyres & tubes, inflated to
correct air pressure.
Front
Solo 1.41 kg/cm (20 PSI)
2
With luggage 1.55 kg/cm 2 (22 PSI)
46
Rear tyre : 2 mm
Rear
2.11 kg/cm (30 PSI)
2
2.25 kg/cm 2 (32 PSI)