Engine Idle Speed; Oil Pump - HYOSUNG Prima Service Manual

2-7 MAINTENANCE PROCEDURE

ENGINE IDLE SPEED

NOTE:
Inspect Initial 1,000 km and Every 4,000 km.
CAUTION
Make this adjustment when the engine is hot.
● start up the engine and set its speed at anywhere
between 1,750 and 1,850 rpm by turning the throttle
stop screw ① .
Engine idle speed
Engine tachometer : 09900 - 26006

OIL PUMP

NOTE:
Inspect Initial 1,000 km and Every 4,000 km.
The engine oil is fed by the oil pump to the engine. The
amount of oil fed to it is regulated by engine speed and
oil pump control lever which is controlled by amount of
throttle opening.
Check the oil pump in the following manner to confirm
correct operation for throttle valve full closing position.
● Fix the throttle grip. (The early idling condition)
● Check whether the mark ② on the oil pump control
lever is aligned with the index mark ③ when the
throttle grip is fixed as above.
● If the marks are not aligned, loosen lock nuts ④ and
turn the adjuster ⑤ in or out to align the marks.
● After aligning the marks, tighten the lock nuts ④ .
CAUTION
Oil pump cable adjustment must be done after
throttle cable adjustment.
1,800 ± 50 rpm
①
Fixing
⑤ ④
②
③