He-Ja Motortechnics Assen.

He-Ja Motortechnics became famous in Europe, by it’s branch of Motorcycles for the MX and grass-track racing under the name HE-JA SACHS.

Furthermore, this Company was for many years importer of GODDEN trackracing products. As a result of that, He-Ja has much experience in four stroketuning.

After selling the Company of He-Ja Motors, Henk Jager started with He-Ja Motortechnics, with the aim, to work on development in motorsportengines.

Since this year beside those, used very successfully in the MX, the Company have developed also kits suitable in Road racing.

He-Ja Motortechnics is your tuning specialist for cross and race cycles.