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01. Performance
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Engine
Continuing to utilise the latest 2-stroke technology, the TC 85 engine remains well ahead of its 85 cc competition by offering improved torque for 2025. A new cylinder head, spark plug, and ignition contributes to a 120 g weight saving over the previous generation while boosting overall performance. Two engine maps ensure the TC 85 performs in all conditions with a close ratio six-speed gearbox and hydraulic clutch completing the build of this highly competitive machine.
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Cylinder
A light and durable aluminium cylinder is designed around an innovative powervalve system that ensures unrivalled performance. For 2025, a new cylinder head further improves bottom end to mid-range power, which reduces the need for riders to feather the clutch in heavy track conditions.
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Crankcase
Manufactured using a high pressure die-cast production process, the crankcases are designed with thinner wall thickness to save weight, while retaining strength and durability. This design also aids in a more compact arrangement, positioning the shaft arrangements closer to the center of gravity for improved handling.
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Clutch
The reliable, lightweight hydraulic system from Miba ensures consistent play, even in the toughest of conditions, and offers a near maintenance-free operation. The clutch itself is housed inside a strong steel clutch basket for consistent action and assured durability.
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Engine
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Cylinder
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Crankcase
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Clutch
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