HYOSUNG GV250 User Manual page 16

★ MAXIMUM THROTTLE OPENING REC-
OMMENDATIONS
The table below shows the maximum throttle
opening recommendation during the break-in
period.
Initial 800km (500miles)
Up to 1,600km (1,000miles)
★ AVOID CONSTANT LOW SPEED
Operating the engine at constant low speed
(light load) can cause parts to glaze and not
seat in.
Allow the engine to accelerate freely through the
gear, without exceeding the recommended max-
imum limits.
Do not, however use full throttle for first 1,600km
(1,000miles).
★ VARY THE ENGINE SPEED
The engine speed should be varied and not held
at a constant speed.
This allows the parts to be "loaded"with pres-
sure and then unloaded, allowing the parts to
cool.
This aids the mating process of the parts. It is
essential that some stress be placed on the
engine components during break-in to ensure
this mating process.
Do not, though, apply excessive load on the
engine.
★ BREAKING IN THE NEW TIRES
New tires need proper break-in to assure maxi-
mum performance, just as the engine does.
Wear in the tread surface by gradually increas-
ing your cornering lean angles over the first
160km(100miles) before attempting maximum
performance. Avoid hard acceleration, hard cor-
nering, and hard braking for the first
160km(100miles).
Less than 1/2 throttle
Less than 3/4 throttle
WARNING
Failure to perform break-in of the tires
could cause tire slip and loss of control.
Use extra care when riding on new tire.
Perform proper break-in of the tire as
described in this section and avoid hard
acceleration, hard cornering, and hard
braking for the first 160km(100miles).
★ ALLOW THE ENGINE OIL TO CIRCU-
LATE BEFORE RIDING
Allow sufficient idling time after warm or cold
engine start up before applying load or reviving
the engine. This allows time for the lubricating
oil to reach all critical engine components.
★ OBSERVE YOUR FIRST, AND MOST
1,000km SERVICE
The 1,000km (600miles) service is the most
important service your motorcycle will receive.
During break-in procedures all of the engine
components will have worn in and all of the
other parts will have seated in.
All adjustments will be restored, all fasteners will
be tightened, and the dirty engine oil and engine
oil filter will be replaced.
Timely performance of the 1,000km (600miles)
service will ensure optimum service life and per-
formance from the engine.
CAUTION
Service should may be peformed before
1,000km(600miles) on motorcycle that are
used under severe conditions.
CAUTION
The 1,000km (600miles) service should be
performed as outlined in the INSPECTION
AND MAINTENANCE section of this
Owner ' s Manual. Pay particular attention
to the 『 CAUTION』and 『 WARNING』in that
section.
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