Cool video shows the combustion process of a four-stroke engineSuck, squeeze, bang, blow... Laura Thomson 09 Nov 2018 IN CASE you were wondering... The referenced media source is missing and needs to be re-embedded. Previous Is this the strangest bike crash ever? Next Your Motorcycle Exhaust is Not Big Enough Sponsored ContentSubscribe to our NewsletterGet the latest motorcycling news, reviews, exclusives and promotions direct to your inboxFor more information, read our Privacy Policy Leave this field blank Latest NewsGeneral 10h agoDucati Announces What Market its New XDiavel V4 will Land in FirstGeneral 11h agoHarley Davidson’s Nightster Gets Sub-10k Price in the USGeneral 12h agoRGNT and Crooked Motorcycles Partner Up to Build Wild Cafe RacerProduct News 13h agoLS2 Unveils New 6K Carbon Dragon Helmet ModelMotoGP 14h agoMotoGP Rookie Suffers Bizarre Disqualification From Argentina Grand PrixMore NewsGeneral 15h agoSuzuki Updates Two Models with Fresh Colours Including its GSX-8SMotoGP 16h agoMarc Marquez Sets New MotoGP Record With Latest Hat-trickRoad Racing 15/03/25Michael Dunlop Confirmed in 2025 Carl Cox Motorsport Line-UpGeneral 14/03/25North Yorkshire Police Launch Investigation into Two Stolen MotorcyclesGeneral 14/03/25What Makes Triumph’s New Moto2 Engine The Most Advanced Yet?