Royal Enfield Bullet 500CC, Owner'S Manual

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32
RUNNING IN
Proper running-in is very important for obtaining
maximum life and performance of a new motorcycle.
The following guidelines explain proper running-in
procedures.
Since the engine is brand new, it should not be loaded
excessively for the first 2,000 kms. During the first few
hundred kms, the various parts in the engine wear and
polish themselves to the correct operating clearances.
Driving with prolonged full throttle operation, or any
high speed conditions might result in excessive heating
of the engine and cause abnormal wear of the moving
parts and hence must be avoided.
1. 0 - 500 Kms :
The recommended speeds for the first 500 Kms is
below 50 Kmph. During this period avoid
operating the motorcycle with full throttle
opening. Stop the motorcycle for about 5 to 10
minutes to let it cool down, after every hour of
running. Vary the speed of the motorcycle
regularly during running but avoid using the
motorcycle above ½ throttle opening position.
2. 501 - 2000 Kms.
The recommended speed is below 80 Kmph.
Avoid driving the motorcycle with full throttle
opening. Vary the speed of the motorcycle
regularly but avoid using the motorcycle above
3/4 throttle opening position.
3. 2,001 kms and above
Avoid prolonged full-throttle operation. Vary
speed occasionally.
CAUTION
After covering the first 500 kms. please replace the
engine oil and oil filter element.
Royal Enfield engines are air-cooled and
consequently require forced air cooling over the
cylinders and heads to maintain proper operating
temperature. Extended periods of idling may over
heat the engine, resulting in serious engine damage.
DO NOT run the engine at extremely high RPM with
clutch disengaged or transmission in neutral as it can
cause serious engine damage.
An engine running long distances at high speed must
be given close attention to avoid over heating and
possible engine damage.