Main Bearing Selection Chart

Crankcase

Bore

Diameter

Crankshaft Main Journal Diameter

32.972

32.973

32.974

32.975

32.976

32.977

32.978

32.979

32.980

32.981

32.982

32.983

32.984

32.985

32.986

32.987

32.988

35.980

Blue

Blue

Blue

Blue

Red

Red

Red

Red

Red

Red

Red

Red

Red

Red

Red

Red

Red

35.981

Blue

Blue

Blue

Blue

Blue

Red

Red

Red

Red

Red

Red

Red

Red

Red

Red

Red

Red

35.982

Blue

Blue

Blue

Blue

Blue

Blue

Red

Red

Red

Red

Red

Red

Red

Red

Red

Red

Red

35.983

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Red

Red

Red

Red

Red

Red

Red

Red

Red

Red

35.984

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Red

Red

Red

Red

Red

Red

Red

Red

Red

35.985

Green

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Red

Red

Red

Red

Red

Red

Red

Red

35.986

Green

Green

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Red

Red

Red

Red

Red

Red

Red

35.987

Green

Green

Green

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Red

Red

Red

Red

Red

Red

35.988

Green

Green

Green

Green

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Red

Red

Red

Red

Red

35.989

Green

Green

Green

Green

Green

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Red

Red

Red

Red

35.990

Green

Green

Green

Green

Green

Green

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Red

Red

Red

35.991

Green

Green

Green

Green

Green

Green

Green

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Red

Red

35.992

Green

Green

Green

Green

Green

Green

Green

Green

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Red

35.993

Green

Green

Green

Green

Green

Green

Green

Green

Green

Blue

Blue

Blue

Blue

Blue

Blue

Blue

Blue

35.994

Green

Green

Green

Green

Green

Green

Green

Green

Green

Green

Blue

Blue

Blue

Blue

Blue

Blue

Blue

35.995

Green

Green

Green

Green

Green

Green

Green

Green

Green

Green

Green

Blue

Blue

Blue

Blue

Blue

Blue

35.996

Green

Green

Green

Green

Green

Green

Green

Green

Green

Green

Green

Green

Blue

Blue

Blue

Blue

Blue

35.997

Green

Green

Green

Green

Green

Green

Green

Green

Green

Green

Green

Green

Green

Blue

Blue

Blue

Blue

35.998

Green

Green

Green

Green

Green

Green

Green

Green

Green

Green

Green

Green

Green

Green

Blue

Blue

Blue

For instance:

Crankcase Bore

35.990

Crankshaft Journal Diameter

32.978

Required Bearing

Blue

warning
Always confirm, using the Plastigauge method, that the running clearance is correct before final assembly. Severe engine damage could result from incorrect clearance resulting in loss of motorcycle control and an accident.
note
Repeat the measurements for all respective journals.It is normal for the bearings selected to differ from one journal to another.