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12425 - Established June, 2013 - all GRiSO, all the time...
 
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 50,000 miles

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Andy in NZ
bikesnbones
bobbyfromnc
Tassiedevil71
Grisonut
LBC Tenni
Guzzi Cat
DungeonMaster
plantboy
wyno
Steak
beetle
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Pete Roper
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Grisonut
GRiSO
GRiSO
Grisonut


Posts : 1406
Join date : 2014-01-02

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PostSubject: Re: 50,000 miles   50,000 miles - Page 2 Icon_minitime1Sun Jan 25, 2015 2:03 pm

A I own both the 1100 and the 1200, I can say for sure that 45-50mpg is about right on for the 1100 but of course not in town riding.
My 1200 is about the same but worse in town.
I did get 51mpg in the Carolinas on the 8V (stock map) last September riding with the wife and a couple of friends...
Riding by myself on the same roads, I am a lot more spirited and consequently, keep higher RPMs but still get 48mpg or better. Smile
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bikesnbones
Tanabuso
Tanabuso
bikesnbones


Posts : 91
Join date : 2015-01-23

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PostSubject: Re: 50,000 miles   50,000 miles - Page 2 Icon_minitime1Sun Jan 25, 2015 2:41 pm

I know it's not on most people's list of priorities, but I do feel that a modern modestly powered engine, should be well into the 40's.
The VMAX has an excuse.
It's a heavy, powerful V4 drag bike, which when I think about it, does bloody well for what it is.
One of the most fuel efficient bikes I ever owned, was a BMW R1200S.
120bhp, and 50mpg average, going to nearly 60 on a long run ridden sensibly.
Fuel efficiency is something BMW do well.
I sold that bike to a friend of mine, and I hope one day to buy it back.
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I regularly ride with a guy who has a Triumph speed triple.
The pace is enthusiastic, but not insane.
When we pull in to refuel having started with a brimmed tank, he always uses more than me,
His average seems to be in the region of 25mpg to my 35 on the Max.
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plantboy
Don Abbondio
Don Abbondio
plantboy


Posts : 200
Join date : 2014-05-31
Age : 76

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PostSubject: Re: 50,000 miles   50,000 miles - Page 2 Icon_minitime1Sun Jan 25, 2015 5:24 pm

That is indeed a special bike b&b, and one of the few Beemers I have lusted after.  And you have a valid point about BMWs and fuel efficiency.  Seems our German cousins are far better than their competitors in delivering models with both smooth fuelling and excellent fuel economy, be they singles, flat twins, upright twins and even my late '80s vintage flying brick.  In comparison, Aprilia and Moto Guzzi are very poor in these departments as they come out of the factory.  

However, my love for the Italian marques is driven by such unique elemental factors as leading edge aesthetics and the 'character' of power delivery that speak to me far more eloquently than mere teutonic efficiency.  But I still can't see why Guzzi and the rest can't do better with their fuel usage straight up, rather than wait for aftermarket re-maps to sort things.  Just my 2 cents.
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Grisonut
GRiSO
GRiSO
Grisonut


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PostSubject: Re: 50,000 miles   50,000 miles - Page 2 Icon_minitime1Sun Jan 25, 2015 6:05 pm

bikesnbones wrote:
I know it's not on most people's list of priorities, but I do feel that a modern modestly powered engine, should be well into the 40's.
The VMAX has an excuse.


OK I went for a quick ride today with a friend of mine and we rode in a non conservative way... LOL
I was averaging 46mpg and he was doing 44 on his ZX10.
Out of curiosity, what's the weight of a VMax? The GRiSO isn't exactly light weight after all...

Oh and here: This was my gas mileage on the wife's G11 a month ago riding with sport bikes in the Country side...
That computer has to be messed up because I rode the piss out of this bike that day with triple digit speed constantly when there were no turns in sight and in Central Florida, we don't have many of those. Laughing Laughing
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bikesnbones
Tanabuso
Tanabuso
bikesnbones


Posts : 91
Join date : 2015-01-23

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PostSubject: Re: 50,000 miles   50,000 miles - Page 2 Icon_minitime1Mon Jan 26, 2015 2:09 am

Grisonut wrote:
Out of curiosity, what's the weight of a VMax? The GRiSO isn't exactly light weight after all...

You have to remember that my VMAX, (soon to be replaced by a GRiSO), is the generation 2, 1700cc, with 197bhp claimed - MCN measured 175bhp at the wheel.
It weigh's 630lb's fully fuelled, which makes the GRiSO, a lightweight by comparison.
35mpg is piss poor, but in context, it's pretty damned good for what it is.
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PostSubject: Re: 50,000 miles   50,000 miles - Page 2 Icon_minitime1Mon Jan 26, 2015 5:06 am

On the score of fuel economy, if I calculate it (km travelled divided by litres to refill) each time I fill up, I find it is on average about 10-12% worse than what my dashboard suggests.

It could also possibly be part of the algorithms that record our optimistic speed.
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bikesnbones
Tanabuso
Tanabuso
bikesnbones


Posts : 91
Join date : 2015-01-23

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PostSubject: Re: 50,000 miles   50,000 miles - Page 2 Icon_minitime1Mon Jan 26, 2015 7:51 am

ghezzi wrote:
On the score of fuel economy, if I calculate it (km travelled divided by litres to refill) each time I fill up, I find it is on average about 10-12% worse than what my dashboard suggests.

It could also possibly be part of the algorithms that record our optimistic speed.

Exactly.
There's only one way to work pout mpg.
Brim tank - set trip meter to 0 - do the miles and rebrim.
Divide the litres used by 4.54 (= 1 Imp Gallon), then divide the total mileage by that figure.
Fuel consumption computers are notoriously optimistic.
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DungeonMaster
GRiSO
GRiSO
DungeonMaster


Posts : 1163
Join date : 2013-11-26
Age : 61

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PostSubject: Re: 50,000 miles   50,000 miles - Page 2 Icon_minitime1Mon Jan 26, 2015 9:11 am

bikesnbones wrote:
Pete Roper wrote:
Yes, he's half right. Time taken for the oil to reach the top end isn't an issue as the cams sit in weirs

Yes now that you mention it, I do remember him saying something like that, but Colin's one of these blokes who, if you are a foreigner and give the impression of having a basic understanding of the English language, will clatter away in broad Cornish assuming you understand everything he says, which I didn't.
Crying or Very sad
Tell me, is it true that the 8V engines are thirsty.
I've read reports of 27 - 30 mpg (Imp)
Blimey.
I get better than that out of my VMAX.
Ridden hard I can easily get 35mpg
A guy in a club I belong too, has a Breva 1100, and regularly get's 45 - 50 mpg, and he's a bloody quick rider.
I'm hoping to get that out of the GRiSO 1100 I'm getting this week.

I have mentioned this before you joined.
I usually get 36mpg out of my 1100. I live in a desert at 3500-4000 feet elevation.
When I go up to the twisty roads above 7000 feet I can get 40-42mpg. I got 50mpg once using higher gears/lower revs up in the mountains.
I have never been able to restrain myself that much ever again.

When I get down near sea level in the Los Angeles Metro area my mileage can drop down to 25mph.
STAY OUT of Los Angeles.

DM
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Triman023
Tiradritto
Tiradritto
Triman023


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Age : 74

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PostSubject: Re: 50,000 miles   50,000 miles - Page 2 Icon_minitime1Mon Jan 26, 2015 9:22 am

Running Beetles new map with the CO set to -4, I am now getting 39MPG in town. Looking forward to doing some mountain runs, should get higher milage there.
When I had few miles on the engine I got as low as 25 around town. Distinct improvements with the new map, and it runs way way better!
I have about 2,500 miles on it so far.
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DungeonMaster
GRiSO
GRiSO
DungeonMaster


Posts : 1163
Join date : 2013-11-26
Age : 61

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PostSubject: Re: 50,000 miles   50,000 miles - Page 2 Icon_minitime1Mon Jan 26, 2015 9:25 am

sounds right
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beetle
GRiSO Capo
GRiSO Capo
beetle


Posts : 10202
Join date : 2013-09-30

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PostSubject: Re: 50,000 miles   50,000 miles - Page 2 Icon_minitime1Mon Jan 26, 2015 10:57 am

The factory air-pressure-temp tables are horrors. 'Nuff said.

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In GRiSO we trust!
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sidrat
GRiSO Capo
GRiSO Capo
sidrat


Posts : 1657
Join date : 2014-09-22

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PostSubject: Re: 50,000 miles   50,000 miles - Page 2 Icon_minitime1Mon Jan 26, 2015 12:34 pm

That's interesting. I get a lot better mileage than that displayed and i read somewhere that the calculations are only in Litres or US gallons and not Imperial ones. If I calculate the US gallons displayed to the actual imperial results its within 1mpg. Averaging 40mpg (imperial)
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bikesnbones
Tanabuso
Tanabuso
bikesnbones


Posts : 91
Join date : 2015-01-23

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PostSubject: Re: 50,000 miles   50,000 miles - Page 2 Icon_minitime1Tue Jan 27, 2015 2:01 pm

ghezzi wrote:
On the score of fuel economy, if I calculate it (km travelled divided by litres to refill) each time I fill up, I find it is on average about 10-12% worse than what my dashboard suggests.

It could also possibly be part of the algorithms that record our optimistic speed.

Is that your bike in your profile pic.
If so, is there any chance of seeing a bigger image.
Thanks
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Guest
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PostSubject: Re: 50,000 miles   50,000 miles - Page 2 Icon_minitime1Tue Jan 27, 2015 11:58 pm

Here's my screen saver
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You can read the full development of the BST carbon fibre wheels here as well
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keenerkeen07
Nibbio
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keenerkeen07


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Join date : 2014-04-10
Age : 70

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PostSubject: Re: 50,000 miles   50,000 miles - Page 2 Icon_minitime1Wed Jan 28, 2015 5:41 am

"Thatsa some meatball" Ghezzi...very nice looking bike you have there
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bikesnbones
Tanabuso
Tanabuso
bikesnbones


Posts : 91
Join date : 2015-01-23

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PostSubject: Re: 50,000 miles   50,000 miles - Page 2 Icon_minitime1Wed Jan 28, 2015 2:05 pm

keenerkeen07 wrote:
"Thatsa some meatball" Ghezzi...very nice looking bike  you have there

Awesome seems an understatement to me.
bounce bounce
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Overholt13
Grignapoco
Grignapoco
Overholt13


Posts : 103
Join date : 2014-12-04
Age : 50

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PostSubject: Re: 50,000 miles   50,000 miles - Page 2 Icon_minitime1Thu Jan 29, 2015 5:03 pm

a dam pretty hot rod you got there!!! Thumbs Up
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