Electric Water Pump Kit- Derbi D50B


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Voca racing electric water pump kit for motorcycles using the Derbi D50B0/1 (Euro3) engine.

Voca racing consider the original coolant system inadequate when tuning the Derbi engine. Voca have designed a kit that replaces the mechanical system with a more effective electric system. The Voca coolant pump included is capable of moving 25 litres per minute, coupled with a redesigned high flow engine inlet/ connection and an inline thermal operated switch.

Please see instructions tab for fitment tips.

Voca water pump, Voca thermal switch, CNC water pump cover & assembly instructions.

  • Aprilia RS50 2006 on (Derbi D50B engine)
  • Derbi 50cc geared with D50B0 engine (05 on)

Voca recommends mouting the inline switch as close to the cylinder head outlet as possible.
Fully purge the system of air as the switch relies on contact with coolant to operate.

Instructions for the kit.

Instructions for the water pump.

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