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Oil filter change
It is recommended strongly to change the oil filter refer to maintenance and service log.
To change the oil filter, just take off the oil filter with a special oil filter spanner showing in
the following picture, and replace it with a new one.
Fuel pressure adjustment
Never make unnecessary adjustments. The factory recommended settings are correct
for most applications. The recommend fuel pressure is 3.5kgf/m
2
(49.8 psi). It’s not
necessary to adjust fuel pressure unless the fuel pressure really needs to be adjusted.
To adjust the fuel pressure:
1. Loose the lock-nut with a 14mm spanner as the following picture.
2. Turn the adjustment-bolt clockwise with a inner hexagon spanner to increase the fuel
pressure, and counterclockwise to decrease the fuel pressure.
3. Keeping one eye on the fuel pressure indicator while turn the adjustment-bolt, when
the indicator shows about 3.5kgf/m
2
(49.8 psi), stop turning, and tighten the lock-nut.
Oil filter spanner
Oil filter spanner
14mm spanner
Lock nut
Inner hexagon spanner
Adjustment bolt
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