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WR450F
Crankshaft & balancer shaft
Crankshaft benefits:
1. Excellent durability & reliability. This is a proven engine design
2. Reduced vibration (especially in the handlebars)
The WR450F utilizes a roller bearing style crankshaft with an
engine counter balancer shaft. The width of the big end rod bearing
has been increased.
Balancer weights
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