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Kitaco 5 Speed Transmission Kit for Kawasaki Z125 Pro This will convert your stock 4 speed transmission to 5 speed! Adding an additional gear will change the gear ratio closer, to reduce significant RPM drop when up-shifting. Achieve quicker acceleration without sacrificing your top speed!
Includes engine case gaskets!
The Use of the stock speedo will be off and requires you to install Kitaco Speed Sensor Kit which is NOT included.
Installation requires splitting the engine cases and minor shaving/cutting to the engine case (see photos above), professional installation is highly recommended!