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  1. MotoGP: Side-on special

    ... - Termignoni Engine - Liquid-cooled, 90 degree V4 four-stroke Timing system - Desmodromic DOHC Valves - Four valves per ... Honda RC212V Specs Engine - liquid-cooled four-stroke DOHC 4 valve V-4 Displacement - 800cc Frame - Twin-tube ...

    Visordown News - 19/09/2018 - 03:49 - 0 comments

  2. Understanding Quickshifters and Slipper Clutches

    ... over-revving as you brake or downshift from high revs on a four-stroke. While the likes of Rossi could mash down the gears on their ... from the bike, it's a different story on the new generation four-stroke MotoGP bikes. Here's why. On a high compression engine, the ...

    rgo - 09/09/2019 - 03:05 - 0 comments

  3. RM-Z450 review

    ... session learning the track on the world's latest 57bhp/100kg four-stroke 'crosser. My first thoughts were that it was like riding a ... session learning the track on the world's latest 57bhp/100kg four-stroke 'crosser. My first thoughts were that it was like riding a ...

    Ben Cope - 19/09/2018 - 03:49 - 0 comments

  4. Kawasaki celebrates 40 years of Z series

    ... bike that launched the manufacturer into the large capacity four-stroke multi-cylinder market. Unveiled at 1972 IFMA motorcycle show in ... for the green brand with its four-cylinder, across the frame four-stroke 903cc engine and the four pipe style exhaust layout - created by ...

    rgo - 19/09/2018 - 03:49 - 0 comments

  5. Russian DIY bike

    ... 5.5bhp and a dry weight of just 47kg, or 7bhp ‘Tarus 2m’ four-stroke that tips the scales at as much as 74kg. Or you can get both sets ... it looks like the 2-stroke has a minimoto engine, while the four-stroke might well be from a lawnmower or generator. Both have pull starts ...

    Visordown News - 23/09/2019 - 00:52 - 6 comments

  6. Danilo Petrucci’s VR46 flat track bike is a 500cc two-stroke beast

    ... But this isn’t a trick frame with a KTM 500 EXC-F four-stroke engine swap. Instead, the Tomasin takes a Honda CRF450 (2021-24 model years), throws away the 450cc four-stroke motor, and replaces it with a 500cc two-stroke engine.   ...

    Alex Whitworth - 12/01/2024 - 12:45 - 0 comments

  7. Gardner: Two-strokes will be back

    ... the fact that 'smokers' are easier to run and maintain than four-stroke motors, could signal the return of screamers to GP racing. ... they can't afford the cost and the weight associated with four-stroke technology." The 1987 champion believes Dorna (the governing ...

    Visordown News - 19/09/2018 - 03:49 - 0 comments

  8. Mick Grant’s Heron Suzuki XR69 TT bike up for auction

    ... XR69 was one of the bikes that helped with the resurgence of four-stroke motorcycle racing. As Japanese manufacturers now had swathes of affordable four-cylinder, four-stroke machines on sale, motorcycle builders like Pops Yoshimura were ...

    Simon Hancocks - 07/06/2021 - 09:16

  9. Petronas launch new motorcycle oil

    ... a range of oils to look after the insides of two and four-stroke engines. Sprinta replaces and improves on the outgoing Syntium Moto range of oils and covers: Four-stroke: F100 – 15w-40 F100 – 20w-50 F500 – 10w-40 ...

    Simon Hancocks - 23/09/2019 - 09:35 - 0 comments

  10. Grey Matters - 400cc test

    ... fork out a gigantic insurance premium for a large capacity four-stroke superbike, or look at smaller machines. These consisted of the ... happened, dealers started importing containers crammed with four-stroke 400cc bikes from Japan. And not just any old 400cc bikes: exotic ...

    rgo - 22/09/2019 - 21:21 - 0 comments

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