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4. RUNNING A NEW MOTORCYCLE
When taking over a new machine and before making the first trip the customer is
advised to check the equipment of the motorcycle as well as the oil level in the
gearbox and in the front suspension dampers. The oil level in the gear box can be
checked by the oil level inspection hole closed by the oil level screw M6 x 8. For
filling up with oil see Part II, para 2, "Lubricating the Motorcycle". To check the
correct oil level in the hydraulic suspension dampers depress the front and rear
of the motorcycle in turn as much as possible, release quickly and check the recoil
for smooth, bounceless movement. Or ride for a short distance on a rough road
and check the front and rear suspension respectively for bouncing, knocking,
noise and rattle. It should be pointed out that the riding comfort on this type of
motorcycle depends above all on the proper operation of the hydraulic dampers.
A new motorcycle just as a new motor car requires careful running if the engine
is to attain a long life. Only with such running in it is possible to harmonize the
contact faces of all the moving parts smoothly so as to avoid local overheating of
the friction faces and possible damage to them.
It is thus clear that the basic condition of good running in is not to use high
engine power for given time, i.e. to keep the speed down according to the table
below and to observe the following instructions :
a) Mix oil with petrol in the approved ratio as follows ; During the running-
in period of first 1500 kms. (900 miles) at a ratio of 1 to 16, i.e. 62
millilitres of oil to one litre of petrol (1/2 litre of oil to 8 litres of petrol)
and thereafter at a ratio of 1 to 20, i.e. 50 millilitres of oil to one litre of
petrol (1/2 litre of oil to 10 litres of petrol).
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