April 8, 2022

Ulimate MXS Ceramic engine

Ultimate Racing have introduced the follow up to the successful M3X engine with the release of their new 3 port .21 Off-Road Ultimate MXS Ceramic Competition Engine. Like its predecessor, the MXS is made by O.S. Engines and it’s based on their square stroke Speed B21 Ty Tessmann II edition engine but has some modifications on the crankshaft as well as on the back plate to improve performance. This engine has more power and returns to idle way better than its predecessor. The cooling head has been redesigned and while not as low as the B2102 lower profile, it is lighter so it keeps the center of gravity as low as the B2102 but improving its performance on high temperatures. The backplate has been updated to improve the gas flow going to the piston and improving engine efficiency and performance. The crankshaft of the MXS is an evolution of the DLC B2102 but with two balanced tungsten in order to increase the inertia to rotation. Also available as Team Edition and combo with the EFRA 2141 or 2142 pipes.

Source: Ultimate [modelixracing.com]


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