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Is my bike getting good MPG - Printable Version

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Re: Is my bike getting good MPG - His Dudeness - 14-01-13

I'd love to see the condition of an untouched air filter after 50,000 miles in a bike.  They say you don't have to clean it but if it's filtering the air then it has to be getting more and more blocked as the miles build up so you'd have to be losing performance.

Re: Is my bike getting good MPG - JZS 600 - 14-01-13

It says it in the advert!

Re: Is my bike getting good MPG - His Dudeness - 14-01-13

must be true then

Re: Is my bike getting good MPG - JZS 600 - 14-01-13

Natch!

Re: Is my bike getting good MPG - darrsi - 14-01-13

(14-01-13, 10:23 PM)His Dudeness link Wrote: I'd love to see the condition of an untouched air filter after 50,000 miles in a bike.  They say you don't have to clean it but if it's filtering the  :lolair then it has to be getting more and more blocked as the miles build up so you'd have to be losing performance.

If you don't mind waiting for about 49000 miles i'll post a photo, could be a while though?

Re: Is my bike getting good MPG - His Dudeness - 14-01-13

(14-01-13, 10:52 PM)darrsi link Wrote: [quote author=His Dudeness link=topic=5822.msg51835#msg51835 date=1358198595]
I'd love to see the condition of an untouched air filter after 50,000 miles in a bike.  They say you don't have to clean it but if it's filtering the  :lolair then it has to be getting more and more blocked as the miles build up so you'd have to be losing performance.

If you don't mind waiting for about 49000 miles i'll post a photo, could be a while though?
[/quote]

I'm on the edge of my seat

Re: Is my bike getting good MPG - darrsi - 15-01-13

(14-01-13, 10:56 PM)His Dudeness link Wrote: [quote author=darrsi link=topic=5822.msg51848#msg51848 date=1358200378]
[quote author=His Dudeness link=topic=5822.msg51835#msg51835 date=1358198595]
I'd love to see the condition of an untouched air filter after 50,000 miles in a bike.  They say you don't have to clean it but if it's filtering the  :lolair then it has to be getting more and more blocked as the miles build up so you'd have to be losing performance.

If you don't mind waiting for about 49000 miles i'll post a photo, could be a while though?
[/quote]

I'm on the edge of my seat
[/quote]


Bearing in mind i do about 4000 miles a year, in traffic, go and get a nice book, and a supply of tea and sarnies, and [size=1em]i'll give you a heads up when i'm near[/size] :lol
If i was that way inclined i could even take a photo every 10,000 miles as a reference, we shall see?
But the ad does actually stress 50,000 to 100,000 miles!
The Mk4 Fazer should be out by then  Smile

Re: Is my bike getting good MPG - His Dudeness - 15-01-13

(15-01-13, 02:15 AM)darrsi link Wrote: [quote author=His Dudeness link=topic=5822.msg51850#msg51850 date=1358200568]
[quote author=darrsi link=topic=5822.msg51848#msg51848 date=1358200378]
[quote author=His Dudeness link=topic=5822.msg51835#msg51835 date=1358198595]
I'd love to see the condition of an untouched air filter after 50,000 miles in a bike.  They say you don't have to clean it but if it's filtering the  :lolair then it has to be getting more and more blocked as the miles build up so you'd have to be losing performance.

If you don't mind waiting for about 49000 miles i'll post a photo, could be a while though?
[/quote]

I'm on the edge of my seat
[/quote]


Bearing in mind i do about 4000 miles a year, in traffic, go and get a nice book, and a supply of tea and sarnies, and [size=1em]i'll give you a heads up when i'm near[/size] :lol
If i was that way inclined i could even take a photo every 10,000 miles as a reference, we shall see?
But the ad does actually stress 50,000 to 100,000 miles!
The Mk4 Fazer should be out by then  Smile
[/quote]

well at rate of 4,000 miles per year you've got a maintenance schedule of between twelve and a half years to twenty five years between cleans :lol :lol :lol get your calender out there. have you got a pencil?  :lol hang on a second that's eh carry the two, that's sometime between june 2025  to june 2038  :lol we'll be on hover bikes by then, either that or living under the sea  :lol

Re: Is my bike getting good MPG - darrsi - 15-01-13

Don't forget the "million mile guarantee".


I may take it back after 999,990 miles and say "I don't like it!"  :lol


[Image: 2010-03-15_155556_2007-03-01_165543_ml_26.jpg]





Re: Is my bike getting good MPG - JZS 600 - 15-01-13

I'm thinking of fitting a mico manometer across the filter so I can measure the delta p across the filter media and benchmark it for future study.

Otherwise I'll just buy a new filter every now and again when the old one gets clogged!

Re: Is my bike getting good MPG - JoeRock - 19-01-13

(13-01-13, 11:53 AM)stevierst link Wrote: Whilst your on a restricted licence I'd leave the k&N out. If you get stopped or heaven forbid are in an accident and they find out about the air filter being a performance upgrade, your in a world of pain from both the law and the insurance company.

Basically your airfilter could in theory take you over the 33bhp limit, which invalidates your insurance, which means at the roadside your bike gets siezed, you also get 6 points/£200 fine, and taken to court for driving other than in accordance with a licence where another 3 points minimum and another fine. That's your licence gone. Then you have to get someone to insure your bike, pay the £150 recovery cost, and the £15-£20 per day storage costs.

Don't put performance upgrades on a resticted bike, it just ain't worth it!!. Standard filters are just as good for now.
Can't see that happening, the restrictions block off the carb inlets, so blocking the amount of air/fuel mixture that goes into the carbs, changing the filters barely going to change that - just might make it run a fraction leaner in the revs that the restriction allows. BIke could theoretically be siezed at the side of the road, but only reason that's going to happen is if the police a.) know that you should be on a restricted license, and the vast majority don't know about that, and b.) have reason to suspect your bike isn't restricted, which is only going to be the case if you blow past them at somethig like 120mph +
FWIW, I've had K&N's in all my bikes as they usually give a little more power when the jettings altered to suit. Only one I took it back out of was my ZX9R, as it played up with the ram air on it.
I also had a restricted bike which the restrictors fell out of after about 6 months, had a non-fault accident and they didn't even check. Had a bunch of mates do the exact same thing, and nothings ever happened to them either!

Re: Is my bike getting good MPG - stevierst - 19-01-13

Its theoretical, or worse case scenario what can happen. The cops DO know when your on a restricted licence, it comes up on the DVLA database immediately when they check your licence.

As for power increase, well if you advertise that your bike is 'tuned' such as end can, k&N stickers etc, then they don't need to prove iimmediately that it increases power, but they can sieze your bike anyway as I previously explained.

A beat bobby might not have a clue, but a traffic cop can do this.

As for fitting a filter not improving the power, well the restrictor kit is designed with a standard filter fitted, and then you put a less restricted filter in, it 'could' slightly increase the power. As I said, its just a theory.

And the cops don't always physically inspect a machine after a prang, they mostly do it at a serious or fatal, or where there are other offences to be proved. (such as power upgrades) :rolleyes

Re: Is my bike getting good MPG - positron - 21-01-13

Restriction shouldn't cause any problem with mpg - mine's restricted to 33 bhp and I am getting approximately 64 mpg; mostly motorway riding though.

Re: Is my bike getting good MPG - mophead - 21-01-13

Don't underestimate the range just because the lights come on, there's still 40 miles in there.

Re: Is my bike getting good MPG - willmckeand - 16-02-13

I've logged almost every fill-up I've done on my restricted '98 Fazer,  my average MPG is 57, so not too bad at all.


However, I do want to take my plugs out and have a look because I suspect she's running rich, on average I fill up about 11L and get around 136 miles out of it......is that good?


Will



Re: Is my bike getting good MPG - sharpypaul - 16-02-13

I've got a T reg 600 Fazer and it's not restricted and I only get 130-140 miles to a tank mostly commuting. I get more MPG using decent petrol, on Esso now from Asda own, it's surprising what a difference it makes!

Re: Is my bike getting good MPG - alexanderfitu - 16-02-13

I'm getting about 40 to 45 but all my riding is commuting in London. A long ride out of London in dual carriageway gets 55mpg Smile

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Re: Is my bike getting good MPG - stevierst - 16-02-13

I average 50-52 out of my 600 on a mix of road through my commute. Got 61mpg out of my old fazer 600 riding like a nun, but that's boring!

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Re: Is my bike getting good MPG - spoonlamp - 23-02-13

(16-02-13, 06:24 PM)sharpypaul link Wrote: I get more MPG using decent petrol, on Esso now from Asda own, it's surprising what a difference it makes!


This is something I've never considered. Is there somewhere you can find out the qualities of the different providers or is all down to location?

Re: Is my bike getting good MPG - alexanderfitu - 23-02-13

All petrol is from the same refineries and the individual companies (shell, esso,etc) add their own cocktail of additives and detergents.

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