17
ENGINE
136
17.4.24 Checking valve springs
300118-10
–
Check the valve springs for fractures and wear (visual check).
» If the valve spring is fractured or worn:
–
Change the valve spring.
–
Measure the valve spring lengths.
Valve spring
Minimum length (without valve
spring cap)
42.3 mm (1.665 in)
» If the measured value does not equal the specified value:
–
Change the valve spring.
17.4.25 Checking valve spring retainer
300162-10
–
Check the valve spring retainer for fractures and wear (visual check).
» If the valve spring retainer is fractured or worn:
–
Change the valve spring retainer.
–
Measure the thickness of the valve spring retainer.
Valve spring cap - thickness
2.4… 2.5 mm (0.094… 0.098 in)
» If the measured value does not equal the specified value:
–
Change the valve spring retainer.
17.4.26 Checking cylinder head
300119-10
–
Check the valve guides using the special tool
1
.
Limit plug gauge (59029026006) (
p. 216)
» If the special tool is easy to insert into the valve guide:
–
Change the valve guide and valve.
–
Check the sealing area of the spark plug thread and the valve seats for damage and
tearing.
» If there is wear or tearing:
–
Change the cylinder head.
400375-10
–
Check the sealing area of the cylinder for distortion using a straight edge and the
special tool.
Feeler gauge (59029041100) (
p. 216)
Cylinder/cylinder head - sealing area
distortion
≤
0.10 mm (
≤
0.0039 in)
» If the measured value does not equal the specified value:
–
Change the cylinder head.
0
0
A
A
400373-10
–
Check sealing seat
A
of the valves.
Valve - sealing seat width
Intake
1.60 mm (0.063 in)
Valve - sealing seat width
Exhaust
2.00 mm (0.0787 in)
» If the measured value does not equal the specified value:
–
Machine the valve seat.
–
Blow compressed air through all oil channels and check that they are clear.
Содержание 690 Enduro R 2013
Страница 1: ...REPAIR MANUAL 2013 690 Enduro R EU 690 Enduro R AUS UK 690 Enduro R USA Art no 3206150en ...
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Страница 37: ...7 HANDLEBAR CONTROLS 35 Tighten lock nut 1 ...
Страница 191: ...189 ...
Страница 228: ...29 SPECIAL TOOLS 226 Nitrogen filling tool 300574 10 Art no T170S1 ...
Страница 234: ... 3206150en 3206150en 10 2012 KTM Sportmotorcycle AG 5230 Mattighofen Austria http www ktm com Photo Mitterbauer KTM ...