4-75
Engine Servicing
(1) MAIN JOURNAL O.D. CODE
If you plan to replace the crankshaft, record the cor-
responding main journal O.D. code letter (1, 2 and
3).
• Letters (1, 2 and 3) on the crank weight are the
codes for the main journal O.D.
(1)
(1)
Cross-reference the crankcase I.D. code and measured main journal O.D., calculate the main journal oil clear-
ance.
Main Journal Bearing Selection Table:
Oil clearance: 0.020 – 0.038 mm (0.0008 – 0.0015 in)
Bearing thickness:
A (Blue):
Thickest
B (Black):
C (Brown):
D (Green):
Thinnest
Main journal O.D. Code
1
2
3
37.994 - 38.000 mm
37.988 - 37.994 mm
37.982 - 37.988 mm
(1.4958 - 1.4961 in)
(1.4956 - 1.4958 in)
(1.4954 - 1.4956 in)
Crankcase A
43.000 - 43.006 mm
D
C
B
I.D.
(1.6929 - 1.6931 in)
Code
B
43.006 - 43.012 mm
C
B
A
(1.6931 - 1.6934 in)
(1) COLOR CODE
• After selection new bearings, recheck the clear-
ance with a plastigauge. Incorrect clearance can
cause severe engine damage.
Содержание NSF250R 2012
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Страница 10: ...Memo ...
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Страница 39: ...2 21 Service Data REAR BRAKE HOSE REAR BRAKE RESERVOIR HOSE ...
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Страница 66: ...3 26 Service and Maintenance 1 OIL LINE PLUG BOLT A 1 OIL LINE PLUG BOLT B 1 1 1 1 OIL FILTER COVER BOLTS ...
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