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English – KTM 400 User Manual

Page 43

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ENGLISH

42

400

520

Crankshaft

axial clearance

0,03 - 0,15 mm/0,0012 - 0,006 in

run out of crank stud

max. 0,08 mm/0,003 in

Conrod bearing

radial clearance

max. 0,05 mm/0,002 in

axial clearance

max. 1,10 mm/0,043 in

Cylinder

bore diameter size I

89,000 - 89,012 mm/3,5039 - 3,5044 in

95,000 - 95,012 mm/3,7401 - 3,7406 in

bore diameter size II

89,013 - 89,025 mm/3,5039 - 3,5049 in

95,013 - 95,025 mm/3,7406 - 3,7411 in

Piston 400 (cast)

diameter size I

88,926 - 88,936 mm/3,5010 - 3,5014 in

94,946 - 94,954 mm/3,7380 - 3,7383 in

diameter size II

88,937 - 88,946 mm/3,5014 - 3,5018 in

94,955 - 94,962 mm/3,7383 - 3,7386 in

assembly clearance size I

0,064 - 0,086 mm/0,0025 - 0,0033 in

0,046 - 0,066 mm/0,0018 - 0,0025 in

assembly clearance size II

0,066 - 0,089 mm/0,0026 - 0,0035 in

0,050 - 0,071 mm/0,0019 - 0,0028 in

wear limit

0,12 mm/0,0047 in

0,10 mm/0,0039 in

Piston ring end gap compression ring

max. 0,80 mm/0,03 in

oil scraper ring

max. 1,00 mm/0,04 in

Valves

seat sealing intake

max. 1,50 mm/0,06 in

seat sealing exhaust

max. 2,00 mm/0,078 in

run out of valve heads

max. 0,05 mm/0,002 in

valve guides diameter

max. 6,05 mm/0,238 in

spring washer

min. 0,4 mm / 0,016 in (new 0,5 mm / 0,019 in)

valve spring

Interior

min 36,5 mm / 1,423 in (new 37,45 mm / 1,46in)

Exterior

min 39,7 mm / 1,548 in (new 40,2 mm / 1,567 in)

balancer shaft

Journal runout

max. 0,06 mm / 0,0024 in

Oil pumps

clearance outer rotor

max. 0,20 mm/0,0078 in

housing

clearance outer rotor

max. 0,20 mm/0,0078 in

inner rotor

axial clearance

0,15 mm / 0,0059 in

Bypaß valve

minimum spring length

25,00 mm/0,98 in

Clutch

Length of springs

min. 41,5 mm/1,63 in (new 43 mm/1,693 in)

wear limit organic

min. 1,70 mm/0,067 in (new 1,8 mm / 0,070 in)

hight disk package

18,3 mm / 0,713 in (neu 20,2 mm / 0,788 in)

Transmission shafts axial clearance

0,10 - 0,40 mm/0,004 - 0,016 in

Transmission shaft runout

max. 0,06 mm / 0,0024 in

rocker arm

axial clearance

0,02 - 0,10 mm / 0,007 - 0,04 in

rocker arm axle

radial clearance

max. 0,08 mm / 0,003 in

timing chain

max. 770 mm / 30,03 in(new 768 mm / 29,952in)

ASSEMBLY CLEARANCE, WEAR LIMIT