KTM 50 SX MINI 2010, Owner'S Manual

Page: 61 / 85

MAINTENANCE WORK ON CHASSIS AND ENGINE
59
300660-11
–
Remove screw cap

. Stand the vehicle upright.
–
Add gear oil until it flows out of the bore of the gear oil level screw.
Gear oil (ATF Dexron 3) ( p. 76)
–
Mount and tighten the gear oil level check screw.
Guideline
Screw, gear oil level check M6 10 Nm (7.4 lbf ft)
–
Mount and tighten screw cap

.
Danger
Danger of poisoning Exhaust gases are poisonous and can result in uncon-
sciousness and/or death.
–
When running the engine, always make sure there is sufficient venti-
lation, and do not start or run the engine in a closed space without an
effective exhaust extraction system.
–
Start the engine and check that it is oil-tight.
9.90
Checking clutch engagement speed
x
300658-10
–
Connect special tool

.
Tachometer (45129075000)
Danger
Danger of poisoning Exhaust gases are poisonous and can result in uncon-
sciousness and/or death.
–
When running the engine, always make sure there is sufficient venti-
lation, and do not start or run the engine in a closed space without an
effective exhaust extraction system.
–
Start the motorcycle.
–
Slowly increase engine speed until the clutch begins to engage.
–
Measure the engine speed.
Clutch engagement speed 7,200… 7,500 rpm
» If the specified value is not reached:
–
Adjust the clutch engagement speed.
x
( p. 59)
9.91
Adjust the clutch engagement speed
x
Info
All clutch springs on a vehicle must be marked with the same color.
–
Check the clutch engagement speed. x ( p. 59)
–
Remove the centrifugal clutch. x ( p. 60)
–
Dismantle the centrifugal clutch.
x
( p. 62)
1 1
2 2
300666-01
Clutch spring with green mark
–
Correct the washer

according to the measured value.
Guideline
A washer of 0.2 mm (0.008 in)
changes the clutch engagement
speed by about: 100 rpm
Info
The spacing washer

of 1.2 mm (0.047 in) )must always be fitted.
If you fit the washer

, the clutch engagement speed is increased.
If you remove the washer

, the clutch engagement speed is reduced.