Royal Enfield Bullet 500 2017 Manual page 116

MINOR MAINTENANCE TIPS
SPARK PLUG
CLEANING AND ADJUSTING PLUG GAP
Two spark plugs are provided in your motorcycle

 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 0.70 to

0.80 mm for UR6DC & 0.80 to 0.90 mm for WQR8DC.
Gap 0.70 to 0.80 mm
Gap 0.80 to 0.90 mm
Refit the spark plug on the cylinder head.

INSPECTION OF TYRES AND WHEELS
 Inspect the tyres periodically for tread wear, cracks
and cuts.
Minimum tread depth :
Front tyre : 1mm
 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 2 (20 PSI)
With Pillion 1.55 kg/cm (22 PSI)
2
34
Rear tyre : 2 mm
Rear
2.21 kg/cm 2 (30 PSI)
2.20kg/cm (32 PSI)
2