KTM 400 - Page 43

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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