Automobile Engineering in ME
The correct way to rectify an imbalanced wheel is to

Adjust the tyre pressure
Attach appropriate weights to the wheel at appropriate positions
Rotate the tyres
Adjust the damper spring tension

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Automobile Engineering in ME
The crankcase dilution means

Dilution of fuel in the crankcase
Dilution of lubrication oil by fuel in the crankcase D. Dilution
Dilution of oil by water in the crankcase
Dilution of mixture passing through crankcase in two stroke engines

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