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 8m agoKawasaki Confirms Dates for 2025 Dealer Demo DaysGeneral 1h ago2025 Isle of Man TT Will Not Include Ramsey SprintGeneral 2h agoWyman Bags Double KOTB Win, but how did ex-MotoGP Stars do?General 4h agoHarley-Davidson Launches New ‘Harley Night’ Across Dealers in the UKMotoGP 5h agoThis Robot is a Significant Part of Ducati’s MotoGP SuccessMore NewsGeneral 6h agoKTM to Discontinue 125 Range in IndiaGeneral 8h agoYamaha R9 Gets New Akrapovic Exhaust OptionsGeneral 23h agoMotocross Rider Becomes Second Fatality at Mildenhall Circuit in Last Six MonthsGeneral 11/03/25Why Cadillac Joining Formula One Highlights MotoGP's ProblemViral 11/03/25Is This Ducati Panigale V4 The World’s Fastest Snow Bike?