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 News New Bikes Yet another roofed scooter revives C1 spirit 3h ago General Ross Noble talks about motorcycles and mental health 4h ago General Wayne Rainey initiative raises $142,000 for racing charity 4h ago General Snake Pass to be saved by £7.6 million in investment 4h ago General Ex-Charles Leclerc Husqvarna Vitpilen 701 sold for surprisingly-low price 6h agoMore News General Is this the end of the road for the GSX-R125 and GSX-S125? 6h ago General Worst roads for motorcyclists revealed in latest data study 6h ago Industry Electric bike company Energica says its on its way back 08/09/25 General Dean Harrison to race classic 1967 Honda CR450 at Goodwood Revival 08/09/25 General This beautiful and possibly unique MotoGP machine smashed its auction estimate 08/09/25
