A14 Crankshaft

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Overview

77mm stroke inherited from the 1974 tall-deck A13 engine. This is a big difference from the 70mm stroke of the A12 engine.

H62 designed for LB210TRU A13 engine

A14 
#H62 unscalloped original A14
 M23 F10
 M49 F10
#H89 scalloped updated A14 crank

Scalloped and Un-scalloped crank throws
Album 25674

H62

A14 H62 12200-H6200 1973-1979.09 straight crank throws
Album 8966 Album 8967 Album 11418

H89

A14 H89 improved lightweight crankshaft

• scalloped crank throws for strength lightening
• radius fillet change for improved rod bearing oiling

12200-H8900 starting 0879 <> 12200-H6200
Album 14241 Album 17137

H8940 crankshaft vs H6200 main journal fillet radius change
Album 25673

Album 14535 Album 3950 Album 3949