Checking The Piston Ring End Gap; Checking Reed Valve Housing, Diaphragm And Intake Flange - KTM 50 SX 2010 Repair Manual

30/ENGINE - WORK ON INDIVIDUAL PARTS

Checking the piston ring end gap

16.14
B 0 0 B

Checking reed valve housing, diaphragm and intake flange

16.15
–
Remove the piston ring from the piston.
–
Place the piston ring in the cylinder and align it with the piston.
Guideline
Under the upper edge of the cylinder
–
Measure the end gap
Guideline
Piston ring end gap
Piston ring
400542-10
» If the end gap is more than the specified value:
–
Check/measure the cylinder. (
» If the cylinder wear is within the tolerance range:
–
Change the piston ring.
–
Check reed valve housing
» If there is damage or wear:
–
Change the reed valve housing.
–
Check the diaphragm for damage and wear.
» If there is damage or wear:
–
Change the diaphragm.
–
Check intake flange
» If there is damage or wear:
300512-10
–
Change the intake flange.
10 mm (0.39 in)
using a feeler gauge.

≤ 0.60 mm (≤ 0.0236 in)
p. 81)
for damage and wear.

for damage and wear.

83