APRILIA M192M Workshop Manual page 101

Engines M192M / M191M / M245M / M234M / M282M / M281M
Bearing category
A
B
C
NOTE Casings for spares are of the same category and are
equipped with bearings of the B (blue) category. Match
crankshaft with two shoulders of category 1 with casing of
category 1 (or cat. 2 with cat.2). A spare casing cannot be
combined with a crankshaft composed of mixed categories.
Crankshaft for spares is equipped with axle shafts belonging
to the same category.
Casing Axle shaft
CAT.1
CAT.2
CAT.1
CAT.2
Casing category
1
1
2
2
Bearing
CAT.1 B
CAT.2 B
CAT.2 A
CAT.1 C
Bearing inner diameter after
assembly
29.025 ÷ 29.040 mm
29.019 ÷ 29.034 mm
29.028 ÷ 29.043 mm
29.022 ÷ 29.037 mm
ENGINE
Assembling possibility
Original
Original and spare
Original
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