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PostPosted: November 6th, 2016, 8:19 am 
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Location: south coast UK
anybody done it? if so by how much?
just interested in getting more MPG out of the old girl :D


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PostPosted: November 6th, 2016, 4:47 pm 
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You can't go very far or you will throw the cam timing off. And that little bit doesn't do much to raise the compression. If you go with high compression pistons you will need premium gas and the cost will offset any MPG gain.

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PostPosted: November 6th, 2016, 8:03 pm 
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Sorry to say, if you want better fuel economy, get a bike with a more modern engine/ fuelling system. The Buell Ulysses 1200 I owned was noticeably better on fuel, and much better on roads, but no where near as good off the black top. A new Africa Twin might be the way to go.

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PostPosted: November 27th, 2016, 12:47 pm 
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Jackflash wrote:
Sorry to say, if you want better fuel economy, get a bike with a more modern engine/ fuelling system. The Buell Ulysses 1200 I owned was noticeably better on fuel, and much better on roads, but no where near as good off the black top. A new Africa Twin might be the way to go.


i'm happy with the bike,just wanted more MPG's......when i had my old DR i put a S&W blue magnum carb on it and could get 140 to the gallon.......sadly the firms gone,but it might be another alternative


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PostPosted: November 30th, 2016, 3:41 am 
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You could do what I did and accept that they aren't very economical for their size.

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PostPosted: December 1st, 2016, 5:29 am 
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Jackflash wrote:
You could do what I did and accept that they aren't very economical for their size.

i've never had a standard bike,and this ones not going to be the first.......once i've pulled the tank to get a good look at the manifold arrangement,i can see a siamesed intake onto a single LECTRON as being an option


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PostPosted: December 2nd, 2016, 5:51 am 
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Don't forget to replace all the jets with the correct ones to suit the job.

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PostPosted: December 3rd, 2016, 2:11 am 
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Jackflash wrote:
Don't forget to replace all the jets with the correct ones to suit the job.

no jets on the Lectron,just a metering needle.......easy to set up....... :D


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PostPosted: June 21st, 2017, 4:12 am 
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Location: south coast UK
well.....just replaced all four plugs with BRISK BR14ZC plugs......what a difference,the low and mid range is significantly improved a is time on choke,can also pull taller gears uphill.......i'll let everyone know what i get to the tankful miles wise,i'm hoping it'll be more,the old girl just feels sooooo much better...!


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PostPosted: June 21st, 2017, 3:22 pm 
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Always start with the simple stuff. Glad to hear the results.

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AHRMA, CCS #72
'89 TA, 06 Ducati Sport 1000 Bella Boomer the race bike, '76 XS650 Farrah the race bike, '76 RD400 Evil Spawn the race bike, '97 Buell T-Bolt S2, ('97 Dyna-Conv RIP 8 June 2017, the bike my son was riding), '06 KLR 650 off road hooligan, and a '79 GS1000E (sold 25 March 2017 after 30 years of ownership), but ride the TA the most miles!


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PostPosted: June 22nd, 2017, 1:42 am 
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Location: south coast UK
ymracing wrote:
Always start with the simple stuff. Glad to hear the results.

yep,new plugs and a hiflow air filter.......the old filter was absolutely filthy.....i reckon it may be the original,but between that and the plugs we'll see how she does on this tankful.......it'll be hard to run her steady as the grin factor as you open her up now is way up there!!!


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PostPosted: October 17th, 2017, 10:14 am 
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only getting 40MPG loaded with top box and panniers........gotta admit i was expecting "slightly " more !!!!


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PostPosted: October 21st, 2017, 10:26 am 
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The best I get is somewhere between 16 and 18 km/l (usually closer to 17). In Brit gals that's about 45 to 50mpg so I guess you aren't doing all that well but I'm not sure what to suggest.

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PostPosted: October 21st, 2017, 2:31 pm 
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KGI wrote:
only getting 40MPG loaded with top box and panniers........gotta admit i was expecting "slightly " more !!!!


Take all that stuff off and see what you might get. I routinely get 45-50mpg, but I very rarely exceed 6k rpms. Mostly ride at 5k rpms and enjoy the scenery. With it fully loaded, Givi 45's all the way around and a tank bag, at 70 mph extended I will drop to the low 40's hi 30's and use a pint of oil every 1k or so. Of course I'm a big fellow, 6'5" and two hundred and too many lbs.

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Garry Bird, YMRacing, Owner/Mgr.
AHRMA, CCS #72
'89 TA, 06 Ducati Sport 1000 Bella Boomer the race bike, '76 XS650 Farrah the race bike, '76 RD400 Evil Spawn the race bike, '97 Buell T-Bolt S2, ('97 Dyna-Conv RIP 8 June 2017, the bike my son was riding), '06 KLR 650 off road hooligan, and a '79 GS1000E (sold 25 March 2017 after 30 years of ownership), but ride the TA the most miles!


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PostPosted: October 22nd, 2017, 6:40 am 
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ymracing wrote:
KGI wrote:
only getting 40MPG loaded with top box and panniers........gotta admit i was expecting "slightly " more !!!!


Take all that stuff off and see what you might get. I routinely get 45-50mpg, but I very rarely exceed 6k rpms. Mostly ride at 5k rpms and enjoy the scenery. With it fully loaded, Givi 45's all the way around and a tank bag, at 70 mph extended I will drop to the low 40's hi 30's and use a pint of oil every 1k or so. Of course I'm a big fellow, 6'5" and two hundred and too many lbs.

40mpg in UK is different to 40mpg in USA. 1 UK gallon is about 4.55 litres, whereas 1 US gallon is about 3.79 litres. US mpg x1.2 = UK mpg, so UK mpg x 0.83 = US mpg
He's already getting the equivalent of US 48mpg. Crikey it sounds better already.
Of course if it was US 40mpg he'd be getting UK 33.2mpg. Oh dear me, that just won't do! Don't tell him that one.
1 litre per kilometre equals US2.35mpg and UK2.83mpg.
So now that you're all confused and bored silly, my work here is done. Have a lovely day folks.

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2003 Honda XL650V Transalp; 1977 Kawasaki Z750B twin;
2006 Hyosung GT250R; 2001 Yamaha FZS1000.


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PostPosted: October 22nd, 2017, 2:25 pm 
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Jackflash wrote:
ymracing wrote:
KGI wrote:
only getting 40MPG loaded with top box and panniers........gotta admit i was expecting "slightly " more !!!!


Take all that stuff off and see what you might get. I routinely get 45-50mpg, but I very rarely exceed 6k rpms. Mostly ride at 5k rpms and enjoy the scenery. With it fully loaded, Givi 45's all the way around and a tank bag, at 70 mph extended I will drop to the low 40's hi 30's and use a pint of oil every 1k or so. Of course I'm a big fellow, 6'5" and two hundred and too many lbs.

40mpg in UK is different to 40mpg in USA. 1 UK gallon is about 4.55 litres, whereas 1 US gallon is about 3.79 litres. US mpg x1.2 = UK mpg, so UK mpg x 0.83 = US mpg
He's already getting the equivalent of US 48mpg. Crikey it sounds better already.
Of course if it was US 40mpg he'd be getting UK 33.2mpg. Oh dear me, that just won't do! Don't tell him that one.
1 litre per kilometre equals US2.35mpg and UK2.83mpg.
So now that you're all confused and bored silly, my work here is done. Have a lovely day folks.


I think I'll have a whisky.

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Garry Bird, YMRacing, Owner/Mgr.
AHRMA, CCS #72
'89 TA, 06 Ducati Sport 1000 Bella Boomer the race bike, '76 XS650 Farrah the race bike, '76 RD400 Evil Spawn the race bike, '97 Buell T-Bolt S2, ('97 Dyna-Conv RIP 8 June 2017, the bike my son was riding), '06 KLR 650 off road hooligan, and a '79 GS1000E (sold 25 March 2017 after 30 years of ownership), but ride the TA the most miles!


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PostPosted: October 23rd, 2017, 9:58 am 
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ymracing wrote:
I think I'll have a whisky.

Like I said, my work here is done.
[edit]And I settled for a beer as I didn't get around to packing a bottle of my favourite.[edit]

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2003 Honda XL650V Transalp; 1977 Kawasaki Z750B twin;
2006 Hyosung GT250R; 2001 Yamaha FZS1000.


Last edited by Jackflash on October 23rd, 2017, 10:10 am, edited 1 time in total.

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PostPosted: October 23rd, 2017, 10:07 am 
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By the way I'm currently working at Coppabella (a company town, they own everything) 140km southwest of Mackay and my '03 XL650V is my transport to and fro. She has been running rough at certain revs on the (what passes for a) highway so I guess it's time to check valve clearances and carby balance again. She has done more than 161,000km (100,000mi) now and is back on the original carbies after the replacements played up some time back.

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2006 Hyosung GT250R; 2001 Yamaha FZS1000.


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PostPosted: October 26th, 2017, 7:44 am 
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ymracing wrote:
KGI wrote:
only getting 40MPG loaded with top box and panniers........gotta admit i was expecting "slightly " more !!!!


Take all that stuff off and see what you might get. I routinely get 45-50mpg, but I very rarely exceed 6k rpms. Mostly ride at 5k rpms and enjoy the scenery. With it fully loaded, Givi 45's all the way around and a tank bag, at 70 mph extended I will drop to the low 40's hi 30's and use a pint of oil every 1k or so. Of course I'm a big fellow, 6'5" and two hundred and too many lbs.


well if your getting that mileage at 70mph i'm not complaining about my mileage at anywhere between 60 and 85mph on standard gearing
hopefully i'll get one of the new sidepull 38mm carbs from technology elevated late next year.......that should do the trick!


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PostPosted: October 26th, 2017, 2:53 pm 
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Location: Champaign, IL USA
KGI wrote:
ymracing wrote:
KGI wrote:
only getting 40MPG loaded with top box and panniers........gotta admit i was expecting "slightly " more !!!!


Take all that stuff off and see what you might get. I routinely get 45-50mpg, but I very rarely exceed 6k rpms. Mostly ride at 5k rpms and enjoy the scenery. With it fully loaded, Givi 45's all the way around and a tank bag, at 70 mph extended I will drop to the low 40's hi 30's and use a pint of oil every 1k or so. Of course I'm a big fellow, 6'5" and two hundred and too many lbs.


well if your getting that mileage at 70mph i'm not complaining about my mileage at anywhere between 60 and 85mph on standard gearing
hopefully i'll get one of the new sidepull 38mm carbs from technology elevated late next year.......that should do the trick!


It is a US gallon...I was reminded that you folks are different...It's 3.75L.

_________________
Garry Bird, YMRacing, Owner/Mgr.
AHRMA, CCS #72
'89 TA, 06 Ducati Sport 1000 Bella Boomer the race bike, '76 XS650 Farrah the race bike, '76 RD400 Evil Spawn the race bike, '97 Buell T-Bolt S2, ('97 Dyna-Conv RIP 8 June 2017, the bike my son was riding), '06 KLR 650 off road hooligan, and a '79 GS1000E (sold 25 March 2017 after 30 years of ownership), but ride the TA the most miles!


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PostPosted: November 1st, 2017, 5:00 am 
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ymracing wrote:
It is a US gallon...I was reminded that you folks are different...It's 3.75L.

Okay. Thanks Garry I used the 355ml / 12 US fl oz (must have remembered that wrong) off your drink cans and bottles for the conversion because I forgot to look for a conversion table. I won't bother trying to update that previous post, That bird has already flown.
[edit]And pardon the pun I just remembered your last name in Bird.[edit]

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2003 Honda XL650V Transalp; 1977 Kawasaki Z750B twin;
2006 Hyosung GT250R; 2001 Yamaha FZS1000.


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PostPosted: November 2nd, 2017, 11:42 pm 
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i think one of the carbs sticks sometimes........one day i can ride her and she's dead smooth,another day and me fingers go dead on the bars from the "buzz"


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PostPosted: November 5th, 2017, 4:28 am 
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I would say it's fairly easy to pull them off and clean them out, but that would be not entirely true. To remove the carbies on my '03 XL650V I have to remove the fairing then the fuel tank then the airbox to get at the carbies. That said I have removed, repaired refitted mine a few times and I check the balance every 6000 or 12000 km depending on how they perform.

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2003 Honda XL650V Transalp; 1977 Kawasaki Z750B twin;
2006 Hyosung GT250R; 2001 Yamaha FZS1000.


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