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Fuel economy of an RS125

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Newbiker0507
Crazy Courier



Joined: 30 Oct 2007
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PostPosted: 16:36 - 09 Dec 2009    Post subject: Fuel economy of an RS125 Reply with quote
Can anyone just quickly tell me:

a) how much it roughly costs to fill up an RS125 tank

b) how many miles a full tank will get you in town travelling and on major roads
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Mord
Nearly there...



Joined: 11 Oct 2008
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PostPosted: 16:54 - 09 Dec 2009    Post subject: Reply with quote
Roughly full power RS with 28mm carb...

45mpg.. just over 100 miles per tank. Roughly 10 litres of petrol per 100 miles
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blutonium92
Scooby Slapper



Joined: 15 Mar 2009
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PostPosted: 17:24 - 09 Dec 2009    Post subject: Reply with quote
dont forget the price of 2T, generally add another 25% onto the petrol cost.
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Had- 56 Aprilia RS50, 03 Aprilia RS50, Hond VFR 400 NC30, Aprilia RS250, Suzuki SV650
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ms51ves3
Super Spammer



Joined: 08 Jun 2007
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PostPosted: 18:04 - 09 Dec 2009    Post subject: Reply with quote
Mordoklej wrote:
Roughly full power RS with 28mm carb...

45mpg.. just over 100 miles per tank. Roughly 10 litres of petrol per 100 miles


I get about the same MPG from my TZR Cool
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Oz.
Spanner Monkey



Joined: 21 Apr 2008
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PostPosted: 19:04 - 09 Dec 2009    Post subject: Reply with quote
blutonium92 wrote:
dont forget the price of 2T, generally add another 25% onto the petrol cost.



lol 25%?

It costs me around £10 to fill the tank I fill up once a week. The 2stroke costs me around £10 and thats every hmm 2 months?
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Mord
Nearly there...



Joined: 11 Oct 2008
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PostPosted: 19:14 - 09 Dec 2009    Post subject: Reply with quote
Mine roughly needs 1 litre of 2T oil per 40-50 litres of petrol, 400-500 miles (Motul 710).

1 litre bottle = £12.85 in my local HG shop
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Kickstart
The Oracle



Joined: 04 Feb 2002
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PostPosted: 20:26 - 09 Dec 2009    Post subject: Reply with quote
Hi

Kept a log of petrol for a while. The RS (early one with a 34mm carb) averaged 55mpg, and not really much lower. Take it very easy and it managed 74.5mpg during the fuel strikes.

All the best

Keith
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Mord
Nearly there...



Joined: 11 Oct 2008
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PostPosted: 23:23 - 09 Dec 2009    Post subject: Reply with quote
Kickstart wrote:

Kept a log of petrol for a while. The RS (early one with a 34mm carb) averaged 55mpg, and not really much lower. Take it very easy and it managed 74.5mpg during the fuel strikes.


Not bad.. I get over 50mpg only on motorways. How you managed 74.5mpg would be nice to know.. any tips? Wink

I know every bike is different, but even when my bike was 11kW and with original setup as new I was getting only 50mpg.
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Kickstart
The Oracle



Joined: 04 Feb 2002
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PostPosted: 23:47 - 09 Dec 2009    Post subject: Reply with quote
Mordoklej wrote:
How you managed 74.5mpg would be nice to know.. any tips? Wink


Yeah, don't bother! That was taking it really easy. 5k max, light throttle openings, hitting the kill switch and pulling the clutch to roll up to red lights, engine off when stopped, etc. Made running in look like thrashing the bike.

Mordoklej wrote:
I know every bike is different, but even when my bike was 11kW and with original setup as new I was getting only 50mpg.


Possibly more is where it is ridden. Short journies round town will hammer the fuel consumption.

All the best

Keith
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Newbiker0507
Crazy Courier



Joined: 30 Oct 2007
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PostPosted: 00:02 - 10 Dec 2009    Post subject: Reply with quote
Kickstart wrote:
Hi

Kept a log of petrol for a while. The RS (early one with a 34mm carb) averaged 55mpg, and not really much lower. Take it very easy and it managed 74.5mpg during the fuel strikes.

All the best

Keith


I've just worked it out then that I would get approx 100 miles out of £10 petrol at the current petrol rates.

Does that sound about right?

The current highest rate in my area is 113.9p per litre.

I got that from www.petrolprices.com
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chris-red
Have you considered a TDM?



Joined: 21 Sep 2005
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PostPosted: 09:16 - 10 Dec 2009    Post subject: Reply with quote
Kickstart wrote:
Mordoklej wrote:
How you managed 74.5mpg would be nice to know.. any tips? Wink


Yeah, don't bother! That was taking it really easy. 5k max, light throttle openings, hitting the kill switch and pulling the clutch to roll up to red lights, engine off when stopped, etc. Made running in look like thrashing the bike.

Mordoklej wrote:
I know every bike is different, but even when my bike was 11kW and with original setup as new I was getting only 50mpg.


Possibly more is where it is ridden. Short journies round town will hammer the fuel consumption.

All the best

Keith


Not really that economical when you take into account the number of spark plug you will need Laughing
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Kickstart
The Oracle



Joined: 04 Feb 2002
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PostPosted: 11:05 - 10 Dec 2009    Post subject: Reply with quote
Newbiker0507 wrote:
I've just worked it out then that I would get approx 100 miles out of £10 petrol at the current petrol rates.


Yep, probably about right.

chris-red wrote:
Not really that economical when you take into account the number of spark plug you will need Laughing


Very true, but spark plugs were readily available. Petrol wasn't.

All the best

Keith
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Alasdair Murison
Nova Slayer



Joined: 28 Nov 2009
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PostPosted: 12:10 - 10 Dec 2009    Post subject: Reply with quote
Personally......

Running in, no more than 6K RPM (first 500 miles) : 73MPG

All revs, Bike standard (next 4500 miles : 53MPG

After addition of bigger carb, straight through
exhaust and pipercross air filter (latest 1000 miles) : 36MPG


But soooooo worth it Very Happy (Bare in mind that the final figure is WOT 80-90% of the time.

The bikes just for fun these days.
____________________
MY 2008 Aprilia RS 125
Passed test : 15/08/08
Riding since : 15/06/08 (17th Birthday)
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Jayy
Mr. Ponzi



Joined: 08 Jun 2009
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PostPosted: 20:58 - 11 Dec 2009    Post subject: Reply with quote
From memory, about £10 to fill the tank, less even.

Couldn't say MPG as I used to thrash it about everywhere.
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Alasdair Murison
Nova Slayer



Joined: 28 Nov 2009
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PostPosted: 15:21 - 12 Dec 2009    Post subject: Reply with quote
jay-recoil wrote:
From memory, about £10 to fill the tank, less even.

Couldn't say MPG as I used to thrash it about everywhere.


More than a tenner these days mate, £11-12 usually
____________________
MY 2008 Aprilia RS 125
Passed test : 15/08/08
Riding since : 15/06/08 (17th Birthday)
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