HYOSUNG GD250 Owner's Manual page 73

20 ~ 30 mm (0.79 ~ 1.18 in)
1. Place the motorcycle on the jack or
block.
CAUTION
Improper jacking may cause damage to
the frame or engine.
2. Loosen the rear axle ①·.
3. Loosen the lock nut ②,·right and left.
4. Adjust the slack in the drive chain by
chain adjuster ③,· right and left, as turning
toward the clockwise or counter-
clockwise.
5. For alignment of the front wheel and rear
wheel, there are reference mark ④ on
the same position, right and left.
Aligning and adjusting the slack in the
drive chain to 20 ~ 30 mm (0.79 ~ 1.18
in), retighten the lock nut and rear axle
securely and perform a final inspection.
CAUTION
The drive chain for this motorcycle is
made of the special material.
The chain should be replaced with a
RK520STX for 『
Use of another chain may lead to
premature chain failure.
』.
72
CAUTION
The drive chain should be inspected
every time before riding.
Excessive chain slack could cause the
chain to come off the sprockets and
result in accident or serious engine
damage.
WARNING
Be careful not to touch the muffler
when it is hot : a hot muffler can burn
you.
⊙ D RIVE CHAIN CLEANING AND
OILING
This drive chain has special "O-rings".
Clean and oil the chain periodically, as
follows :
1. Clean the chain with kerosene. If the
chain tends to rust, the interval must be
shortened. Kerosene is a petroleum
product and will provide some lubrication
as well as cleaning action.
WARNING
Kerosene can be hazardous. Kerosene
is flammable. Children or pets may be
harmed from contact with kerosene.
Keep flames and smoking materials
away from kerosene. Keep children and
pets away from kerosene.
If swallowed, do induce vomiting. Call a
physician immediately.
Dispose of used kerosene properly.