Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions
To replace the thermostat on the Beta 300 RR, locate it in the area between the engine cylinder and the radiator: first, loosen the bolts securing the coolant hoses to free the thermostat from its housing. Once these hoses are loosened, proceed to unscrew the screws securing the thermostat to its mounts, allowing you to pull it out and replace it with a new one: the new thermostat must be secured with the appropriate screws, and then reconnect all hoses removed earlier.

Updated on 14 September 2026 by ScegliAuto

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To dismantle the engine of the Harley Davidson Sportster, first loosen the screws that secure the engine within its housing, disconnecting all relevant connectors as well. Once the engine is extracted, you can unscrew the additional screws that secure the side casings and the two cylinders: when these are removed, loosen the rings that secure the pistons to the two connecting rods, replacing them with new spare parts. Once all necessary parts have been replaced, you can reassemble the engine.

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