Kawasaki KX250F - Owner's Manual - page 30
29
j
Break-In
A brief break-in procedure must be carried out to
obtain the proper operating clearances in the engine
and transmission, which are necessary for perfor-
mance and reliability.
NOTICE
For the first hour or 20 km (12 mile) of op-
eration, run the engine at low and moderate
engine speeds. See details below.
Break in the engine as follows.
1.
Start the engine and let it idle until it is thor-
oughly warmed up.
2.
Ride the motorcycle for about 20 minutes within
1/2 throttle opening.
3.
Stop and let the engine cool completely. Be
sure to check the tightness of nuts and bolts, oil
leakage, coolant leakage and any irregularities.
4.
Start the engine and ride the motorcycle for
about 40 minutes within 3/4 throttle opening.
5.
Stop and let the engine cool completely. Be
sure to fully check the tightness of nuts and
bolts, oil leakage, and any irregularities, espe-
cially, each cable elongation, brake play, chain
slack and spoke tightness.
6.
Change the engine oil, oil filter and front
fork/rear shock absorber oil to the new one.
7.
After the break-in procedure has been properly
carried out, the motorcycle is ready for regular
operation. Using the proper riding skills and
techniques and avoiding recklessly high engine
speeds will keep the engine trouble-free.
NOTICE
When any following parts have been re-
placed, the same break-in procedure as the
new motorcycle must be carried out for one
hour or 20 km (12 mile):
Cylinder, Piston, Piston pin, Piston ring,
Valve, Valve lifter, Camshaft, Crankshaft,
Mission gear, etc.