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Increase the displacement of your Yamaha DT 125 to 170cc with this Athena kit.
Includes aluminium cylinder with piston, cylinder head with independent cylinder head, exhaust valve and gasket set.
The aluminium cylinder with nikasil coating and equipped with a forged piston guarantees maximum performance with high reliability.
This Athena 170 cc kit is also compatible with the Derbi GPR 125 2T as it is fitted with the same Minarelli engine as the Yamaha DT125.
The increase of power and maximum torque is quite considerable and Athena has even declared a maximum power of 25,5 cv. at 10.500 rpm.
To get even more power it is recommended to change the exhaust.
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