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Pedantries are not suffering abuse at the hands of the uncaring , unlike the poor Naugas whose pores are apparently water proof in the poring rain . However the plight of the marquees , at least in America, is unprecedented in the annals of history . Mark my words , this is a sign of the decline of Western civilization . Dusty
Rollerised my Griso this morning. I thought it had been behaving a little less enthusiastically recently and sure enough the tappets were just beginning to fail. 90,000Km, not bad . Bloody glad I bought my C Kit a couple of years back. They are not stock her at the moment.All back together and good as gold now!Pete
Every night before I go to sleep. Lannis, Oldbike54,roadkill,Dusty..................
Wow, it really is the best of all possible worlds, huh?If I were lucky enough to notice a "little less" enthusiastic performance and open up the motor before disintegrating parts fouled the bearings and oil passages, and lucky enough to have purchased (on my own nickel) the needed kit so that the non-availability of parts when the failure occurred was no problem, then I'd be happy too, I guess. But not happy about the expense and inconvenience at 55,000 miles. And not happy at all if I were not as lucky as you.Makes me glad to have stuck with the 2-valver, and makes me resolve to avoid the flat-tappet 4-valve model if I ever make the transition!Keep smiling, Pete!Moto
What I find amazing is that there are reports of people riding 8V's to the point where the tappet feet completely eroded away and the pushrods dropped through and smashed the camboxes! I mean how could you possibly do that? Apart from the noise the performance would of been abysmal and the oil would be so rapidly fuel diluted that the entire engine would be close to toast!Pete
Yeah, I covered it before but I'll PM you as I don't think I could stand having to listen to another five pages of blithering hysteria if I post 'em up again.Pete
It never really worried me because I WANTED to find out the how and why of why things were failing. I've done that to my satisfaction and I'm not going to argue with pinheads who have done no research.
So, one KM=1.609344 miles.
And..1 km = 1.62 miles
Every night before I go to sleep. Lannis, Oldbike54,rodekyll,Dusty..................
Ha! You're both wrong. 1 km = 0.62 miles! And 1 mile = 1.61 km. (Approximately.)I hate dealing with this crap, and wish we'd all go metric. In the meantime I use 0.62 and 1.62 as my off-the-cuff conversions, so I can just remember one set of values after the decimal place, "62". Doing this, I also remember that the Golden Ratio, phi = 1.6180339887..., is the only positive number whose inverse, 0.6180339887..., is zero followed by the identical values after the decimal. So I save brain cells by remembering 1.62 as approximations for both the Golden Ratio and the mile-kilometer conversion factor, and 0.62 for their inverses, leaving other memory locations free for remembering where I put my tape measure, if I ever find it again.MotoG5 gave the right numerical answer for the number of miles corresponding to 90,000 km, though.
Your persistent attention to this problem and your sharing of your findings have been of great benefit to us all! Many thanks.Moto
:1: Second that.
perhaps some baseline-ing would help?1. Are all 8V engines subject to this problem or only certain models (such as Grisos after 2012)2. Does it make sense to go ahead and change out the parts at 50k miles rather than encounter a potential failure?3. How does one obtain these parts and where are the reputable shops?Reading the thread, I find these questions the simplest way to navigate this issue. I have no dog in the fight. I can understand how an owner would not be happy with this scenario. Fixing the problem, quick, cheap and easy will go along ways to mitigating it.
I hate dealing with this crap, and wish we'd all go metric.
perhaps some baseline-ing would help?1. Are all 8V engines subject to this problem or only certain models (such as Grisos after 2012)Actually 8V engines before approx. late 2012, when they changed over to rollers from the flats (why I made sure my 2013 Stelvio had rollers).2. Does it make sense to go ahead and change out the parts at 50k miles rather than encounter a potential failure?Yes, in my opinion, because of the "hard bits" that can get in bearings and oil pump and such in the bottom end that could compromise their life and be very costly to clean out or repair.3. How does one obtain these parts and where are the reputable shops?That's the problem, some of the correct kits are very hard to get in some locations (others may be able to shed more light here with their experiences) and I think we all know where "good dealers are (if I had one that needed major help, it would be hauled down to Houston )Reading the thread, I find these questions the simplest way to navigate this issue. I have no dog in the fight. I can understand how an owner would not be happy with this scenario. Fixing the problem, quick, cheap and easy will go along ways to mitigating it.
How about "I don't have any skin in the game"?
Mostly we have converted , it is only us serfs that are still saddled with the illogical system based on the length of some ancient dudes arm Maybe the aristocrats had twelve fingers back then Dusty
Aside from the switch from flat to roller tappets, didn't Guzzi 'improve' the quality of the flat tappets a year or two after Griso 8v production began? At the time I purchased my 2012 Griso, I was under the impression that the original 'problem' had been cured.
