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  1. K

    V-Twin 90 degree = harmonically balanced?

    I'm obviously not communicating with sufficient succinctness. Individual pistons performing a basic Otto Cycle decelerate during their compression stroke, and accelerate during firing strokes. This inertia induces vibratory stresses & mass reactions in accordance with Newton's Third?? Law...
  2. K

    V-Twin 90 degree = harmonically balanced?

    Not quite sure what are you apologising for: paraphrasing what I just said?
  3. K

    V85 TT Info

    https://translate.google.com.au/translate?hl=en&sl=de&u=https://www.1000ps.at/testbericht-3005365-moto-guzzi-v85-tt-2019-test&prev=search The Austrians seem to like those bright colours too, esp. that Big Macdonalds 5 different colourway one.!
  4. K

    V-Twin 90 degree = harmonically balanced?

    + Suzuki TL1000, plus the Honda something-or-other GCXL 3300 XLTQRSTUV. Both were pretty sub-standard wannabe Ducati imitations. Both missed the most characteristic aspect of Ducati engine manufacture, however: Desmodromic valve actuation & control. One of the sweetest automotive sounds of...
  5. K

    V85 TT Info

    I just wish (hope even) that there's some form of aftermarket alternative to that rather dodgy fixed, non-adjustable Kayaba front fork. The first prototypes featured decent looking Ohlins forks with at least some range of adjustment. I'm a pretty heavy & fat bastard myself, so I'd ideally need...
  6. K

    V-Twin 90 degree = harmonically balanced?

    There's some weird science going on here! Guzzi motors don't 'accelerate' or 'decelerate' to produce a rocking motion. The motor remains, as always, fairly rigidly fixed within the frame. The reciprocating (pistons, rings, gudgeons) & eccentric (connecting rods, crankshaft lobes) masses do...
  7. K

    Moto Guzzi V7 Lean Angle (stock tire size)

    I rarely if ever ground either peg on any bike. It occasionally happens (on lefts usually) if i hit a whoop in the road surface mid corner, & maybe more often at ultra-low speeds in city riding, car parks etc. But still rarely. Using rearsets, it's usually the centrestand lever (or my toes)...
  8. K

    V85 TT Info

    Many (most??) accessories (cases, racks, guards, screen, stand/s, shock, Arrow can) were shown on the red bike at the Birmingham show on boob-tube. Some more (the 'city-pack') was on one of the bikes in that Dutch road-test/world press release from yesterday in Sardinia that I linked to a...
  9. K

    V-Twin 90 degree = harmonically balanced?

    There's both reciprocating & rotating masses, and a bit of sideways 'chatter' from connecting rods too, that interact/cancel/accentuate each other. As for the twin cylinder vibes: would you REALLY want it any other way? PS the smoothest engines ever made are inline sixes (BMW's 2.0l six from...
  10. K

    V85 TT Info

    https://www.promotor.nl/video/moto-guzzi-v85-tt-2019-eerste-test-vlog/ I need to eat humble pie. Those plakky panniers look a whole lot better (& capacious) than I originally surmised. Ideal for the weekly shop of groceries!
  11. K

    Moto Guzzi V7 Lean Angle (stock tire size)

    Please don't think I'm being pompous. I'm not. There's no relevant 'lean angle' for any shaft driven bike, due to the nature of the shaft itself & the principle of torque reaction. Simply put, if you apply more throttle when leaning, you get more leaning clearance (the arse-end of the bike...
  12. K

    V85 TT Info

    Thanks for that. I've got it now. I've seen summat similar on older Gutsies too: Stelvio?? Still begs the Q why, 'though? It seems a mite superfluous to me. I can get the need for engine bars. Cylinder heads are expensive, air cooling fins can snap off, plus that's a fair bit of sudden...
  13. K

    V85 TT Info

    Sounds like a pretty good range of accessories. I particularly like the concept of having a choice of tyres available, without the rigours of trying to renegotiate with a recalcitrant dealer. Some acc's leave me a mite puzzled: shaft drive protection, in 1 1/4" (32mm) steel tubing? Whiskey...
  14. K

    V85 TT Info

    Point taken, Paul. I've pondered just that myself. My current arsenal is inadequate for the bush, so I'd rather fancy another MG for a change. You foreign fellows have a rather different interpretation of "the bush" than I. To us in Oz, the bush refers to anywhere outside of city limits...
  15. K

    V85 TT Info

    As it is with girlfriend/wives/lovers, so it is with bikes. Good looks are a poor substitute for inadequate design & behaviour. It doesn't really cost any more to design things properly in the first place. The Italians were traditionally world leaders in industrial design. There's so many...
  16. K

    V85 TT Info

    Well I'm pleased that the st'd muffler sounds OK; because the rest of the exhaust looks like utter crap to me! I personally find the huge collector box/catalyser assembly situated behind the sump housing & below the gearbox to be frightfully exposed & vulnerable to damage. There's no...
  17. K

    V85 TT Info

    To my somewhat jaded eyes the V85 just screams compromise. But I personally don't really regard that as a bad thing: if nothing else (as others have already mentioned) it's going to be cheap. So the bashplate is rubbish. It appears to be wafer-thin & screwed to welded lugs on the exhaust...
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