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OS Engines

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O.S. MAX 91FX Ring w/E-4020 Sil.

O.S. MAX 91FX Ring w/E-4020 Sil.

£189.99 £179.99

Sharing exactly the same mounting pattern as the 61FX, the 91FX offers 47% more power with almost no weight penalty! …

O.S. MAX 46AX w/E-3010 Silencer

O.S. MAX 46AX w/E-3010 Silencer

£136.99

The first engine in the new AX series draws on years of experience in providing the best engines money can buy. The new 46AX now fea…

O.S. MAX 65LA w/E-4010 Silencer

O.S. MAX 65LA w/E-4010 Silencer

£129.99 £116.99

Out of stock

Low-cost engine for beginners and sports models, the O.S. Max 65LA is reliable and easy to handle. The needle valve …

O.S. GT55 Petrol

O.S. GT55 Petrol

£574.99 £519.99

he biggest single cylinder engine made by O.S. so far is the first O.S. engine for many decades to be spark ignition using petrol as…

OS GT33 Petrol with E-5030 Silencer

OS GT33 Petrol with E-5030 Silencer

£419.99 £369.99

The second engine in the latest O.S. GT series of petrol engines is designed for the new class of models that are emerging onto the …

OS GT22 Petrol with E-5040 Silencer

OS GT22 Petrol with E-5040 Silencer

£369.99

Bringing the OS petrol engine technology into the smaller class of model, the OS GT-22 has all the sophistication that you would exp…

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