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  1. 2018 Harley-Davidson Road Glide tested

    ... knock sensors, water-cooled rear cylinder heads, four-valve combustion chambers, and all that. Meeting the likes of Euro 4 emissions regs ...

    Al Dowds - 10/05/2024 - 03:38 - 0 comments

  2. ‘Next level’ 2024 BMW R 1300 GS revealed

    ...

    Simon Hancocks - 28/09/2023 - 16:00 - 0 comments

  3. First Ride: 2008 Ducati 848

    ... better flow of fuel/air into the cylinder, giving improved combustion and power, the same design testastretta head and same fuel ...

    rgo - 10/05/2024 - 04:15 - 0 comments

  4. Sunra Robo-S (2021) electric scooter road test and review

    ... mile range and 4 hour charge time may raise the eyebrows of combustion enthusiasts, but consider the typical use of this scooter. It will ...

    Alex Strange - 16/07/2021 - 18:51

  5. Art of suck and squeeze: The future of turbo and superchargers

    ... electric vehicles; is it really worth spending a lot on new combustion engine technology at all? Bikes lag a long way behind cars in ...

    Visordown Corre... - 09/09/2019 - 03:05 - 0 comments

  6. Energica Eva Ribelle (RS) 2021 electric motorcycle first impressions review

    ... after a brief first impressions ride. Sure, there’s no combustion engine, but it still has character - it’s different but feels ...

    Alex Strange - 02/03/2022 - 12:19

  7. Ring Cycles

    ... pin engages rockers that bring the other two valves in the combustion chamber into play) is far too harsh. The changeover comes at 7000rpm ...

    Anonymous (not verified) - 10/05/2024 - 04:24 - 0 comments

  8. Road Test: R1200ST v. ST3 v. VFR800 v. Sprint ST

    ... pin engages rockers that bring the other two valves in the combustion chamber into play) is far too harsh. The changeover comes at 7000rpm ...

    Anonymous (not verified) - 10/05/2024 - 04:26 - 0 comments

  9. Old's Cool: Guide to classic bikes

    ... the Holy Grail, but it wasn't all down to cubes. Clever combustion chambers and valve configurations abounded. Frames and suspension ...

    Anonymous (not verified) - 10/05/2024 - 04:24 - 1 comment

  10. Grand Plans | The Top 10 worst innovations in motorcycling

    ... to effectively create a ‘V8’ (with the extra valves and combustion area that goes with it) but in regulation-fitting ‘V4’ form – ...

    Ollie Barstow - 29/08/2022 - 10:30

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