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RSV4 Factory a-PRC
crankshafts and connecting rods have been intro-
duced which are matched with each other in rela-
tion to their balancing class. The class is easily
identifiable as it is marked on the component itself.
The permitted crankshaft-connecting rod balancing class combinations are listed in the following table:
CRANKSHAFT-CONNECTING ROD BALANCING CLASSES
Crankshaft balancing classes
AA
BB
CC
DD
EE
FF
** balancing class pairing usable as an alternative to the first choice **
CAUTION
WHEN REPLACING A CRANKSHAFT WITH NO IDENTIFIABLE BALANCING CLASS (ON EN-
GINES PRIOR TO THE INTRODUCTION OF THE MODIFICATION), A CLASS "CC" CRANKSHAFT
MAY BE USED.
CAUTION
WHEN REPLACING CONNECTING RODS WITH NO IDENTIFIABLE BALANCING CLASS (ON EN-
GINES PRIOR TO THE INTRODUCTION OF THE MODIFICATION), CLASS "DD" CONNECTING
RODS MAY BE USED.
Balancing class combinations for
alternator side connecting rod pair
AA+AA / **ZZ+BB**
BB+BB / **AA+CC**
CC+CC / **BB+DD**
DD+DD / **CC+EE**
EE+EE / **DD+FF**
FF+FF / **GG+EE**
Balancing class combinations for
primary drive side connecting rod pair
AA+AA / **ZZ+BB**
BB+BB / **AA+CC**
CC+CC / **BB+DD**
DD+DD / **CC+EE**
EE+EE / **DD+FF**
FF+FF / **GG+EE**
Engine
ENG - 363
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