If your clutch is releasing sparks, the shoe’s slippage is high, causing your clutch to heat. Here are some reasons it happens:
Hp of the engine really high for your clutch: Make certain to make use of the correct clutch for the engine
The tire is really big for the gear ratio: If you are utilizing a large tire, then make certain to decrease its gearing with it; for a normal thirteen inches tires, keep its gear ratio close to 1:6, for instance, if you are utilizing the 14T sprocket on the 60T Axle, its gear ratio will overheat a fifteen inches tire Go-kart.
Bad quality clutch: If you have corrected its gear ratio for your tire and the issue still persists, then it is the clutch quality that is bad.
Too much weight