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The 250 cc 2-stroke engine delivers the best combination of unsurpassed power and lightweight construction. The simplicity and low maintenance cost of the 2-stroke motor has made it a favourite amongst motocross riders for generations. The TC 250 engine features the latest 2-stroke technology aimed at centralising rotating masses and reducing vibration while delivering the highest level of performance in its class. Additionally, the roller actuated throttle assembly delivers a smooth action when opening the throttle.
The 66.4 mm bore cylinder features an innovative power valve system that delivers a smooth and controlled power throughout the RPM range. The exhaust port features a machined finished for outstanding function and performance. The power delivery can be further customised by simply changing two springs supplied, altering the engine characteristics for different track conditions and rider preference.
The TC 250 engine is designed with mass-centralisation as a key theme. As a result, the lightweight die cast engine casings are developed to house the shaft arrangements in the perfect position, centralising oscillating mass and improving rideability.
The TC 250 features a laterally mounted counter balancer shaft. This shaft significantly reduces vibrations resulting in a smoother and more comfortable ride with less rider fatigue.
The TC 250 features a 38 mm flat slide Mikuni TMX carburettor. The carburettor provides a smooth and controllable power delivery with optimal performance over the entire RPM range.
The TC 250 features a 5-speed gearbox with motocross specific ratios. Additionally, the no-dirt gear lever ensures precise and easy shifting even in the toughest of conditions.
The TC 250 features a Damped Diaphragm Steel (DDS) clutch. Using a diaphragm spring instead of the more common coil spring design creates a much lighter clutch action. This design also allows for a damping system that increases both traction and durability.
