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V50 fuel grade

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Richard Hyatt View Drop Down
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    Posted: 21 Oct 2019 at 09:04
hi all,
given the V50 has a high compression ratio , should I run it on Super 97 or straight 95 please??
 
I know it has quite a fancy combustion chamber design with its Pent roof valves etc
 
just nice to know - thank you
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Post Options Post Options   Thanks (0) Thanks(0)   Quote c13pep Quote  Post ReplyReply Direct Link To This Post Posted: 21 Oct 2019 at 12:19
I`ve run all mine on bog standard supermarket fuel, however the first two I used a lead replacement additive just for piece of mind. The Monza will be running without any additives as I`m a bit more confident now that they aren't necessary.
Mind you I`ve stopped using additives altogether on this bike, gearbox and bevel box etc., just to experiment with top quality modern oils but changed more often

CHRIS
you can`t have any fun in a straight line

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Richard Hyatt View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Richard Hyatt Quote  Post ReplyReply Direct Link To This Post Posted: 21 Oct 2019 at 19:11
Thank you
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Ben. View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ben. Quote  Post ReplyReply Direct Link To This Post Posted: 21 Oct 2019 at 22:04
Interesting subject Richard,  I'm hoping someone can add balance to my somewhat cynical view.
Petrol goes stale, so fresh 95 could be better than stale 97 ?
Is it better to use popular filling stations which get frequent fresh supplies even if it's only 95 ?
Should we tune for low grade, so anything better is a bonus ...
And will Flash Gordon escape the Mekons and save the planet ...?
Someone here will know.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote iansoady Quote  Post ReplyReply Direct Link To This Post Posted: 22 Oct 2019 at 10:47
I was using 97 in my V50 as specified however I found that it ran just as well on 95 and (although this may be a coincidence) the stumble on pickup was much reduced. I do tend to use mainstream filling stations (Texaco, Shell etc) but only as my motorcycling rarely takes me past supermarket ones.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote AdrianW Quote  Post ReplyReply Direct Link To This Post Posted: 22 Oct 2019 at 12:22
We all have varying views on what passes for fuel these days.. 

I'm afraid after an unfortunate incident with a W650 I don't use stock 95 octane in any of my bikes (even those that date back as far as 1954). I use non-supermarket 97 , usually Esso as a station 3 miles away has that as cheap as the supermarkets.. In my view the lower ethanol content is worth the extra 5 pence a litre. The 95 rubbish is for cars..

Other opinions will vary...

Cheers,
Adrian
Bristol UK
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Richard Hyatt Quote  Post ReplyReply Direct Link To This Post Posted: 22 Oct 2019 at 13:36
I always use super when abroad , due to the ethanol content , ill try both and see what variances there are , but I tend to stick to Shell anyway 95 or 97 in my cars and bikes if I can.
 
thank you anyway
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Post Options Post Options   Thanks (0) Thanks(0)   Quote red leader one Quote  Post ReplyReply Direct Link To This Post Posted: 22 Oct 2019 at 16:09
Originally posted by Ben. Ben. wrote:

Interesting subject Richard,  I'm hoping someone can add balance to my somewhat cynical view.
Petrol goes stale, so fresh 95 could be better than stale 97 ?
Is it better to use popular filling stations which get frequent fresh supplies even if it's only 95 ?
Should we tune for low grade, so anything better is a bonus ...
And will Flash Gordon escape the Mekons and save the planet ...?
Someone here will know.


I don't know.
I'll ask this bald bloke  
https://www.youtube.com/watch?v=B707Ava4wrYe

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Post Options Post Options   Thanks (0) Thanks(0)   Quote AdrianW Quote  Post ReplyReply Direct Link To This Post Posted: 22 Oct 2019 at 17:13
Not sure about Flash Gordon but have just been to my local Esso station.. Now both 95 and 97 have shiny new "E5" stickers.. Aarrrrgggghhhhhhh

Looks like I'll be upping the amount of Redex I slop in, not to clean the engine but to coat the inside of the fuel tanks....

Adrian
Bristol UK
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Motty Quote  Post ReplyReply Direct Link To This Post Posted: 22 Oct 2019 at 17:26
Originally posted by AdrianW AdrianW wrote:

Not sure about Flash Gordon but have just been to my local Esso station.. Now both 95 and 97 have shiny new "E5" stickers..

This has happened around here in the last month or so Cry
I was using the super unleaded as it had less/no enthnol. Guess I will be using standard unleaded from now on

It’s more fun to try to ride a slow bike fast .....
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Ben. View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ben. Quote  Post ReplyReply Direct Link To This Post Posted: 22 Oct 2019 at 18:06
According to the government, the fuels are unchanged, and the E5 and B7 labels are to help us differentiate between the diesel pump and the petrol pump.
Thank goodness, not a moment too soon.

Could be useful, I for one find it hard to differentiate between a petrol station and a supermarket.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mike H Quote  Post ReplyReply Direct Link To This Post Posted: 23 Oct 2019 at 00:46
I interpreted that as meaning they include ethanol.

This says so too -


"The majority of unleaded sold in the UK must contain up to five per cent ethanol under the Government’s Renewable Transport Fuels Obligation, though no such requirements are in place for super-unleaded."

Yes I've recently noticed the new labels too.

"Chicken nuggets don't dance on a Tuesday."
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 23 Oct 2019 at 07:53
E5 includes up to 5% ethanol.
E10 - well you can guess.

I imagine B7 is something similar, whatever they use in diesel other than old chip fat.
Brian.

Better 5 minutes late in this world than years early in the next.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote c13pep Quote  Post ReplyReply Direct Link To This Post Posted: 23 Oct 2019 at 10:17
The B stands for biodiesel and the 7 is the percentage
So BRIAN your right biodiesel can be made from chip fat

CHRIS
you can`t have any fun in a straight line

Monza
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 23 Oct 2019 at 17:23
Not usually lard though. LOL
Brian.

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