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SKU: HBYX140 Category:


Motosyko Hybrid 140cc race engine kit.

This is a fantastic 140cc base engine for super stock or modified racing.  Here at Motosyko we can offer you a vast array of performance parts to couple up to your engine. These engines have be tried and tested by civilians and racers, and found to be rock solid.  Please see some of the optional extras available at the bottom of the page.  Additional parts are provided at a special discounted rate when purchased with an engine. Therefore be sure to add your parts in on this page using the tick boxes.  Any additional performance parts added will be fitted to your engine and supplemented for OEM equipment.

Engine Specs

Bore size (56mm)

Stroke (57mm)

Inlet valve 27mm, Exhaust valve 23mm

4 speed gearbox (N-1-2-3-4)

16mm kick start shaft

140cc Aluminium cylinder

Honda style engine mount alignment

So what do I get in the box?

Engine,26mm inlet manifold, Gaskets and spacers, Kick start & Gear lever, Light weight rotor kit,  Custom black gloss covers & nut and bolt kit

Additional information

Weight 23 kg


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