98 Octane

[Swivel]

Hi all
is 98 Octane from Mobil ok for a Triumph America LT efi model. I use to use 95 from Z but the Mobil is more convenient to full up from. Cheers

[cods4]

I'm pretty certain Mobil 98 does not have any ethanol in it. If I'm right then it should be better for your bike than the Z 95. I use it in my bikes as it's there's one just down the road and I can use my new world vouchers there.

If you want to confirm there's no ethanol then next time you fill up ask them for a copy of the fuel data sheet. It should say if there's any ethanol in it.

[caspernz]

Personally I'd go for what the manual states. ie use a fuel that has the NZ RON number equal to (or higher if you want to waste money) what your manual states.

In most cases 98 is OTT for road use.

[jellywrestler]

Hi all
is 98 Octane from Mobil ok for a Triumph America LT efi model. I use to use 95 from Z but the Mobil is more convenient to full up from. Cheers

ask triumph would be my answere\

[EJK]

ask triumph would be my answere\

Yes, asking manufacturer specific questions on KiwiBiker can get you some crazy answers.


By the way, have you tried diesel? They are cheaper and produce better torque which is great for round town riding.

[caspernz]

By the way, have you tried diesel? They are cheaper and produce better torque which is great for round town riding.

He said Triumph not Harley :bleh::laugh::confused:

[EJK]

He said Triumph not Harley :bleh::laugh::confused:

Oh, right my bad. Yes, that's what makes Harley's the distinctive potato sound.

Can you imagine the torque tho... Wow!!

[AllanB]

I'd say that motor was low compression and most likely very happy on 91 octane.

[Coldrider]

I thought 98 was introduced to get european cars thru their 3 year warranty periods.

[Swivel]

ask triumph would be my answere\

Still waiting for their reply mate

[Swivel]

I'd say that motor was low compression and most likely very happy on 91 octane.

The local Triumph dealer mechanic said 95. The goal posts keep moving

[Swivel]

Yes, asking manufacturer specific questions on KiwiBiker can get you some crazy answers.


By the way, have you tried diesel? They are cheaper and produce better torque which is great for round town riding.

I thought the diesel jokes were reserved for Harleys. You should be attacking me over oil leaks instead. Used Triumph oil is great for BMWs

[Coldrider]

Higher octane fuels are to prevent predetonation. If your engine design and build is pre the introduction of 98 you are just wasting money. Higher octane fuels should not harm your engine, however using lower than recommended octane will.

[slofox]

My local Mobil servo swapped from 95 to 98 not too long ago. The gixxer runs very happily on either 98 or 95 but given the extra price of 98, I stick to 95. Which it seems I can only get at the supermarket pumps locally. The Mobil dude told me that it is Mobil's policy to replace all 95 with 98 at their servos. No doubt there are monetary reasons for so doing.

I notice none of the local servos advertise the price of their higher octane fuels on their price boards either...funny that.

[Cosmik de Bris]

In one of the other octane threads I think someone mentioned that some Mobil stations had alcohol in their fuel. From memory he said it was on their website but I couldn't find anything on it. Also from memory it was in the Wellington region.

Cheers

[Zedder]

In one of the other octane threads I think someone mentioned that some Mobil stations had alcohol in their fuel. From memory he said it was on their website but I couldn't find anything on it. Also from memory it was in the Wellington region.

Cheers


The reference to ethanol is towards the bottom of the page and above the blue band with "Energy lives here" in it: https://www.mobil.co.nz/en/synergy-fuels

[slofox]

In one of the other octane threads I think someone mentioned that some Mobil stations had alcohol in their fuel. From memory he said it was on their website but I couldn't find anything on it. Also from memory it was in the Wellington region.

Cheers

Last time I asked about ethanol at my local Mobil, some year ago now, the dude just said he didn't know if it contained ethanol or not. Easy answer I guess.

[Akzle]

Last time I asked about ethanol at my local Mobil, some year ago now, the dude just said he didn't know if it contained ethanol or not. Easy answer I guess.

"we can neither confirm nor deny the existence or non-existence of ethanol in our fuels or not-fuels"

[Coldrider]

"we can neither confirm nor deny the existence or non-existence of ethanol in our fuels or not-fuels"Yep, half the 'cooks' don't give their recipe away, and the other half are doing a stretch.

[Swivel]

Yes, asking manufacturer specific questions on KiwiBiker can get you some crazy answers.


By the way, have you tried diesel? They are cheaper and produce better torque which is great for round town riding.

And this toss had the cheek to call me a troll, because I sent him a bad rep. :baby: EJK the comedian

[Moise]

In one of the other octane threads I think someone mentioned that some Mobil stations had alcohol in their fuel. From memory he said it was on their website but I couldn't find anything on it. Also from memory it was in the Wellington region.

Cheers
The pump should be labelled if there is ethanol in the petrol.

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[Moise]

My local Mobil servo swapped from 95 to 98 not too long ago. The gixxer runs very happily on either 98 or 95 but given the extra price of 98, I stick to 95. Which it seems I can only get at the supermarket pumps locally. The Mobil dude told me that it is Mobil's policy to replace all 95 with 98 at their servos. No doubt there are monetary reasons for so doing.

I notice none of the local servos advertise the price of their higher octane fuels on their price boards either...funny that.
The pricing of 95 and 98 is a huge ripoff. I've seen 95 selling for 30c more per litre.

The R1 is definitely happier on 98, but it has carbs so is a bit fussier. It runs best on Gull 98, but I only use it on long trips and fill the tank with normal petrol when I get home.

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[slofox]

The pricing of 95 and 98 is a huge ripoff. I've seen 95 selling for 30c more per litre.

Locally, Mobil 95 is 9c/l dearer than 91. But the local Caltex loads 25c/l onto their 95...Guess which one I go to.

[Grumph]

Locally, Mobil 95 is 9c/l dearer than 91. But the local Caltex loads 25c/l onto their 95...Guess which one I go to.

As one cheap pensioner to another...don't you have a Challenge locally ? Show the gold card and get 8c/l discount - all the time.

[slofox]

As one cheap pensioner to another...don't you have a Challenge locally ? Show the gold card and get 8c/l discount - all the time.

I use a Mobil card from Petroleum Logistics. It gives me 10c/l discount on any Mobil petrol. That's 10c/l off the actual pump price. So I go to the Mobil servo that has the cheapest prices and get another 10c/l off that price. Excellent deal. Can use it at supermarket pumps too if they are stocked by Mobil - which all the local Foodstuffs ones are (PaknSave and New World).

[Moise]

Locally, Mobil 95 is 9c/l dearer than 91. But the local Caltex loads 25c/l onto their 95...Guess which one I go to.
Yeah, it was a Caltex station.

Given that the actual cost of petrol is only 60c per litre, it's difficult to understand how the margin is so high.

I ran the R1 on a variety of fuels during a recent trip around the North Island. The only one it really didn't like was Gull 91 - it would hesitate for a moment when I opened the throttle. It ran OK on everything else, but seemed happiest on Ultimate.

I tend to use the premium fuels because they have more detergents and cleaners in them, which I hope will save on carb maintenance!

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[MarkH]

I have been tracking my fuel usage with an app on my phone. I was using BP 98 for a while but I then switched to Mobil 95 and now Waitomo 95 - no difference in fuel usage and I'm confident I'm getting just as much power too.

98 octane has no more power than 95 octane or 91 octane, the only advantage of higher octane is that it doesn't burn so readily which prevents pre-detonation if that would have happened with lower octane fuels. There are plenty of engines with enough compression to pre-detonate 91 octane but most would run just as well on 95 as on 98, for most people the cost of 98 is just extra money for something that offers no benefit whatsoever.

[mossy1200]

I was using BP 98 for a while but I then switched to Mobil 95 and now Waitomo 95 - no difference in fuel usage and I'm confident I'm getting just as much power too.



I put some BP98 in the Agusta and it ran very poorly. Could have been caused by something else but it was missing and stuttering at 3-4 thousand revs.

[AllanB]

The book for my Ducati says 95 or higher. Only run on 95 as there is no one close with 98 to try. I'm not riding out of my way to fill up :shutup:

[Theantidote]

Just checked the triumph manual...my one states 87 or higher and then dribbles on with a variety of letters that just get weird...even details shit about the cosl of living council and anti knock something...so i suspect Paula Bennet might be the best person to asked...


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[Moise]

That will be US 87, which is roughly equivalent to our 91.

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[Flip]

91,95 or98 makes no diference to my road king, it's all the same in my book.

[Akzle]

91,95 or98 makes no diference to my road king, it's all the same in my book.

it's a hardley.
you left off the most obvious: diesel.
...kero, jp8, bunker crude...

[actungbaby]

91,95 or98 makes no diference to my road king, it's all the same in my book.

gezz that beast it catch on the fuel pumps pull them out the ground .run around get thermos and fill up your bike for free.

[awayatc]

The R1 is definitely happier on 98, but it has carbs so is a bit fussier. It runs best on Gull 98,

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Thought that ethanol was no good for carbs....

I am supposed to use higher octane in my Valk, but it's got carbs as well....
Getting tricky to find non ethanol higher octane I think

[Cosmik de Bris]

Thought that ethanol was no good for carbs....

I am supposed to use higher octane in my Valk, but it's got carbs as well....
Getting tricky to find non ethanol higher octane I think

It depends on the float and seal materials, Amal carbs were made for alcohol.

[gortnipper]

Yeah, but old bikes have other parts like dowty washers, fuel lines, gaskets, etc that are not too happy with ethanol,

I looked at the BP website, and they are E3 for their 98 I think.

Gull has ethanol.

At some point I THOUGHT I saw that Z was e-free. Can anyone confirm this? Or another brand?

I am looking for some e-free 95 for my recently refurbed Norton.

[Cosmik de Bris]

Yeah, but old bikes have other parts like dowty washers, fuel lines, gaskets, etc that are not too happy with ethanol,

I looked at the BP website, and they are E3 for their 98 I think.

Gull has ethanol.

At some point I THOUGHT I saw that Z was e-free. Can anyone confirm this? Or another brand?

I am looking for some e-free 95 for my recently refurbed Norton.

In another thread on here somebody mentioned that the BP E3 was only in certain areas, Wellington was mentioned.

Cheers

[slofox]

Whilst waiting for a service to be completed at Boyd's, I came across, in a magazine, an article about fuel. The magazine dudes tried several grades, prices etc of fuel in the UK and found that the horsepower output of the test bike (a GSX-R600 I think) varied by less than 1% over all the different fuels. So last time I filled up I bought 91. Ride today seemed identical to thousands of other rides.

[AllanB]

I thought the ethanol percentage in NZ was low to the point of not being a issue with older vehicles.

[gortnipper]

No, I have had dowty washers and perxoxks perish on my Norton from ethanol in NZ petrol.