po18guy
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Posts posted by po18guy
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Pick the most boring and pedestrian of any maker's models and we see they sell a tonne of them. Plain Jane is the safe bet - although they do little to nothing for us true enthusiasts...(ahem!).
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The big block was long ago assigned the "tractor" appellation. IMO, the small block should be in a Harbor Freight generator. Sorry, but it has always been underwhelming, from 350cc and onward. A little brother who was never allowed to grow up. IIRC, the last Heron heads used by a major manufacturer was Chev in their 348 and 409, and Mercury in their 383 and 430, late 1950s-mid 1960s. Even though the Heron has flown the head, the engine's goal is to run under the hurdle rather than to jump over it.
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Industrial progress in Italy depends on the season of the year. It is always delayed if construction is occurring during strike season.
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The Japanese will change specifications mid-year. They are very traditional, but have few mechanical traditions. Thus, if a better part is proposed, it goes in mid-year. In Mandello del Lario, I think that parts are more like a family affair, so the bits and pieces do not change all that much. Except...
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What competition?
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1 hour ago, Hans Jakobsen said:
Think Your both right,it is mostly theory and the guzzi have very heavy flywheel. I vas using temp.mostly beacuse i havent a good CO meter. Seems to work fine! Thanks for writing and happy Christmas.
And a happy Christmas to you and your loved ones!
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In 270º twins, as in 180º twins, one cylinder works slightly harder than the other , so idle exhaust temperatures will never be the same. Heavy flywheels help smooth that out.
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4 hours ago, Kiwi_Roy said:
I got a call from a friend with a VII Sport a couple of weeks back, he has owned the bike since new and done all the regular maintenance. He said the oil light came on for no reason at idle, could I come and have a look.
He had the sump off when I got there, we couldn't see anything so concluded it must be a failed pressure switch and decided to put it back together. He would change the filter while it was apart. We took the hose clamp off the filter and screwed it off with a struggle.
To our surprise it came off complete with a second rubber gasket all chewed up, It must have been working fine for months then finally given out while sitting waiting for parts.
We concluded that the engine was fine and thanked his lucky stars.
That same situation caused quite a few fires in Honda CRVs and Elements. The old gasket would stick to the block, unnoticed by the technician. Then, double-gasketed, the seal would eventually blow out, spray the exhaust manifold 6" away and then poof! Was even a class action lawsuit over the design.
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Docc, you're just riding on the wrong tires!
Aside from traction, the big plus is that the suction cups popping drown out the tappets!
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They are building a manufacturing facility in West Midlands, UK. DOHC, liquid cooled, 4 valve w/F.I. I think it will be a very pleasing thumper. They hint that there is more in the engine, so a clubman version might be in the works. Now that would be very cool.
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1 minute ago, docc said:
Haha, so, this reminds me of the fairly early idea to swap the High Idle Spring for the Seat Latch Spring and both work better.
Mine did!
I have learned to never throw a spring away. Shampoo and soap pumps have useful sized stainless springs in them.
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So my plan is to make a port into the intake boot and give it a spritz of starting fluid. Or not. Actually, if you adjust the fast idle cam to minimum acceptable slack, you can get pretty fair opening with the lever. And, swap out that valve spring on the fast idle cam for say, a ball point pen spring. All it needs is just enough to retract the cam. Helps if the cable is well lubed. Fast idle can then be tweaked with the lever, without it "springing" to the off position.
Oh, and for those running standard plugs, might try a set of Iridium. I noted quicker starts after swapping them out. The spark being less shrouded, they have an easier time firing a leaner mixture than the wide electrode OEM plugs.
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2 hours ago, Lucky Phil said:
Yes. Actuating the fast idle lever is the same as cracking the throttle it's basically a hand throttle or variable throttle stop. The engine ecu has a "cranking enrichment map" to add extra fuel for a pre determined amount of engine revolutions at start up. In the case of the V11 it is for 4000 engine revolutions and is at maximum "richness" from the first revolution of the engine tapering down to zero enrichment until 4000 revolutions have been done. This map is adjustable and one I modified on my bike to assist starting which was initially very hard with the 2 valve start enrichment map percentages. It is also active no matter what the engine temp is so even works with a hot engine. This is why when adjusting the CO level you need to start the engine and wait for around 3-4 min before any CO adjustment can be assessed by engine idling. In addition there is also the enrichment determined by the engine and OAT temp sensors which are added to the base map along with the Cranking map. At extremely low temps all this adds up to around 200% extra fuel at the initial hit of the button. This is also why your tank range is reduced quite noticeably with a lot of cold start cycles esp in cold weather. Add to this the TPS adjustment accuracy, wear in the throttle shafts and, how the air bleeds are set and valve clearances etc and it's a wonder they start at all, lol.
They all start differently but in my experience all need a little throttle when cold. There is a big difference also between manual throttle manipulation and using the fast idle lever and using the twist grip. My bike starts very well using the fast idle lever before you hit the button but not as well if you try and manipulate the throttle by hand. The difference is quite distinct.
Ciao
Thank you. I ask because there are apparently some FI systems which send a primer shot through the injectors before cranking begins. I have cycled the key/pump on and off and on again and it does seem to fire off more quickly. It's the effect that might have on the pump and relays that makes me leery of the practice.
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The M-M gives a prime shot when the pump hits, does it not?
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On 12/8/2021 at 8:13 PM, Lucky Phil said:
So whats the plan when you find it's out of alignment?
Ciao
Either crash just right or hydraulically bend. We have to trust the Italian frame jigs and the worker's willingness to seat everything properly at welding time.
Suddenly I don't feel quite so confident...
Actually riding interstate with one hand as I do causes more misalignment than I could ever correct for - if there was any adjustment, that is. Only time and tread wear tell the tale.
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20 hours ago, p6x said:
If you go to the Royal Enfield website, they have a link "Become a Dealer"; the questionnaire is relatively straight forward.
Nothing would prevent Mahindra to do the same; but as per my answer to Docc's, after listening to more Gold Star reviews, I think this bike is more of a city dweller than anything. Who are the customers for such a bike?
We can take away the HD riders; that leaves the crotch rocket riders, who are not going to even look at a BSA.
While we were aging (and perhaps not looking) all sorts of beard-growing and other hipsters and metro-types have taken a liking to such urban -retro bikes.
I mean Honda catalogs the Grom as a sport bike! Nothing else surprises me.
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Very nice stuff. Phil, is shipping from the UK prohibitive? A good maker there, of alloy/stainless/Ti hardware.
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Mahindra is not stupid. Since they are in no way directly competing with Triumph, could they - would they seek an arrangement to distribute through existing Triumph dealers? Cannot see a hook-up with Enfield.
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1 hour ago, Scud said:
Rotax has long made some of the world's best thumpers in Austria. KTM/Husqvarna also based in Austria and make excellent thumpers. So I guess there is a lot experience with big singles in Austria.
And after H-D and their belt drive gave Erik Buell the shaft, he turned to Rotax for his 1125.
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24 minutes ago, PhillipLarsen said:
Thank you very much for the information motortouring. I am hoping not to drill the Lemans upper triple clamp to keep it looking nice, as I will still use it other than for long trips.
The Stein-Dinse triple tree and risers looks very good. I will check into it further, if I do not find any OEM parts.
Another thing that might turn up the parts is to save an eBay search for "V11" and "Ballabio." The exact parts you are looking for will most likely not be listed in search results, but if you message the seller, they might have the parts which are not listed.
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And now Dot is back(?). "Devoid of Trouble" caries a Kawi 650 single, so that bit is well done. What's next? Francis-Barnett? Pointer? A.J. Stevens?
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8 hours ago, billgreenman1 said:
I imagine that it is difficult to pass Euro emissions on a big single without water cooling. I'd prefer air/ oil also.
Euro 5 is the word. With F.I., DOHC/4 valves and probably a catalyst, it's doable. More HP is almost certainly in the engine.
Norton. Again. Someone, again, "claims" - yet again - that Norton is/will be back again. No Wankel, no 270º twin and no retro. 1200cc V4 they say. 360º crank and 8 or so gears if one indulges their dreamy website's audio. Two mockup...er...uh...models. One less idiosyncratic than the other - or maybe just wearing more bodywork. Said website is pure chocolate frosting, heavily laced with testosterone, but very little actual cake. Again.
If I buy a Norton calendar, at least I can tick off the days, weeks, months.
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As to the revival of English brands, it seems that Brexit is the result of a rekindled nationalism. The BSA is a go, simply because Mahindra is a huge company and accomplishes what it sets out to do. The India/UK design and manufacture indicates that one can take the best of the past and build on it - whether technology or culture.
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If for no other reason, a V11 is comfortable because it is a known quantity. Delays and murky show models smack of engineering or production snafus. "IF" I was interested, I do believe I would wait until the second production year, if only for the parts pipeline and dealer servicing training.
V850X
in Newer models
Posted
I watched a few videos by speedkar99 on YouTube. He dismantles failed car engines. In particular, Audi and BMW engines are utter engineering and maintenance nightmares.