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Why no dry-sump oil system on the CRF?

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Just wanted to know why Honda engineering didn't put a dry-sump lubrication system on the CRF to get rid of viscous friction?

Is it a feature that would of added too much to the weight of the bike or is there a dry-sumper waiting up ahead with even more horsepower?

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Thats what the reed valve in the crank case does. Excess oil is pushed out of the center crank cavity into the left side case where it is collected. 90% of the benifit of a true dry sump without the weight of a scavenging pump or external lines & a tank.

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All serious Yamaha race bikes are converted to wet sump. We all are lucky enough to be blessed with it stock.

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I wouldn't go that far!

Serious as in team SX race bikes...yes.

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