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| stans2020 |
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stans2020
L Plate Warrior
Joined: 05 Aug 2010
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| Snorty |
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Snorty
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Joined: 13 Oct 2010
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 Posted: 14:17 - 15 Sep 2013  Post subject: |
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Now it will go even slower.
Still, at least you've fitted something to the bike that won't fall apart. Maybe you can replace the rest with CB500 parts too! 
____________________
Current: Yamaha FZ1 '07 | GSXR 750 SRAD
Past: CB125TDC | TZR125 | GPZ500 | CBR600F3 | ZX9-R | GSXR1000 K4 |
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| c_dug |
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c_dug
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| illuminateTHE... |
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illuminateTHE...
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| P.addy |
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P.addy
Formerly known as
P.
Joined: 14 Feb 2008
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Posted: 15:07 - 15 Sep 2013  Post subject: |
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So... from a 100/90-18
To a 130/80-17
You've made the rear wheel smaller, the bike is heavier and you've increases the mass at the rear wheel.
Bitch got a 50mph 125 now, well played sir.
Should have just bought a Varadero, has that size standard  |
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| Rogerborg |
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Rogerborg
nimbA
Joined: 26 Oct 2010
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| Vincent |
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Vincent
Banned
Joined: 16 Oct 2006
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| G |
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G
The Voice of Reason
Joined: 02 Feb 2002
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| MarJay |
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MarJay
But it's British!
Joined: 15 Sep 2003
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| Musketeer |
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Musketeer
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| Teflon-Mike |
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Teflon-Mike
tl;dr
Joined: 01 Jun 2010
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Posted: 17:04 - 15 Sep 2013  Post subject: |
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Walks into Breakers...
>"Here, mate, can I have this CB500 wheel for my Lifan?"
<"Hold on, I'll have to go talk to the gaffer......"
..
Waits interminably...
Tries not looking at mangy Rotweiler...
Fiddles with cush drive...
Chap wanders back rolling fag....
<".... He wasn't too sure, but he's had a look..... but if you chuck in the tasseled panniers, he reckons it sounds like a fair swap"
HEY! I'm RECYCLING (old Lada Jokes!)... its envomenally freindly!
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My Webby'Tef's-tQ, loads of stuff about my bikes, my Land-Rovers, and the stuff I do with them!
Current Bikes:'Honda VF1000F' ;'CB750F2N' ;'CB125TD ( 6 3 of em!)'; 'Montesa Cota 248'. Learner FAQ's:= 'U want to Ride a Motorbike! Where Do U start?' |
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| pinkyfloyd |
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pinkyfloyd
Super Spammer
Joined: 20 Jul 2010
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| Teflon-Mike |
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Teflon-Mike
tl;dr
Joined: 01 Jun 2010
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| Posted: 06:28 - 16 Sep 2013 Post subject: |
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| pinkyfloyd wrote: | | illuminateTHEmind wrote: | the lifan lf125-30 looks like something you would by your least favourite young cousin at toys r us. |
Says you who bought a bike thats also covered in plastic to make it look bigger but when you strip it all down it has a tiny little engine in there thats smaller than a gnats bollocks.
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Now Now Pinky... your an INSTRUCTOR now.... you cant let these kind of predjudice's show.... you will have to deal with every-one from the fat chick who turns up having spent three hours squeezing herself into the colour co-ordinated one piece two sizes too small, because "there is NO WAY "I'm an XXL!" struggling to get her leg over; to Speed-Fighter-Boi with burberry wrap Nitro MX lid and noisy exhaust; through Simon the Accountant, giving you all the text book answers in Element D, but struggling to pull away on Element B, and informing you at lunch that he's a REALLY sensible fellow, and really he wont hurt himself when he's done his DAS, because he IS such a sensible fellow, and is going to buy a BMW... because BMW's are 'safe' aren't they.... even though it is 1000cc... but thats not all that big for a bike these days is it... leading you to believe he's planning some GS1100 adventure sport or an old air-head or something similar.... and you nod and agree, and start to believe he really is a sensible kind of fellow... until you start getting disquieting ideas, as he chats merrily about people at work, and veiled psychopathic tenancies start to be relieved, before he eventually will look you straight in the eye, with the lazer stare of a mass murderer, and corrects you; "Oh no, an S1000!"..... Oh yeah! Then there'll be dizzy daisy on a Retro Vespa, struggling with twist-grip gears.... and Revin Kevin on an old RG125 with an idle problem; and Trendy-Dave, with a DT, and his mate on a Chinky XR125 Copy insisting his bikes faster and telling you how they intend to go razzing over the waste-land together, and asking tips on best way to dodge the Po-Po I-T-M on a Plastic Fantastic? is but one of the more easily rationalised forms of L-Plate delusionism to deal with... just remember they are easily lead and effected by peer pressure and their perceptions of what other people's opinions are going to be, and are likely to have very fragile ego's you must NOT prick.... because they also obviousely have far more money than sense, and a fool and thier money are easily parted... so make sure you get your share before the other buggers!
Whats the words? Its a gas, something something and keep your hands of my stash?.. just bite your lip and hum the intro when you see one! And listen to that cash register percussion in your head, instead of the catalytic lawn-mower noise of the exhaust!
____________________
My Webby'Tef's-tQ, loads of stuff about my bikes, my Land-Rovers, and the stuff I do with them!
Current Bikes:'Honda VF1000F' ;'CB750F2N' ;'CB125TD ( 6 3 of em!)'; 'Montesa Cota 248'. Learner FAQ's:= 'U want to Ride a Motorbike! Where Do U start?' |
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| pinkyfloyd |
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pinkyfloyd
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Joined: 20 Jul 2010
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Posted: 06:43 - 16 Sep 2013  Post subject: |
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I know Mike but he's such an easy target.
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illuminateTHEmind wrote: I am just more evolved than most of you guys... this allows me to pick of things quickly which would have normally taken the common man years to master
Hockeystorm65:.well there are childish arguments...there are very childish arguments.....there are really stupid childish arguments and now there are......Pinkfloyd arguments!
Teflon-Mike:I think I agree with just about all Pinky has said. |
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| Scootaloo |
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Scootaloo
Could Be A Chat Bot
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| lihp |
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lihp
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| Clutchy |
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Clutchy
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| Rogerborg |
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Rogerborg
nimbA
Joined: 26 Oct 2010
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| Posted: 18:12 - 16 Sep 2013 Post subject: |
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Don't see why there's disbelief. Hyosung 125s run 150/70-17s rears as standard, my GPz305 with over twice the power got by on a 110/80-18, its all good.
I mean, as long as OP got the sprockets lined up, and I'm sure he did and isn't bleeding in a ditch right now... 
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Biking is 1/20th as dangerous as horse riding.
GONE: HN125-8, LF-250B, GPz 305, GPZ 500S, Burgman 400 // RIDING: F650GS (800 twin), Royal Enfield Bullet Electra 500 AVL, Ninja 250R because racebike |
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| Wozza |
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Wozza
Brolly Dolly
Joined: 17 May 2008
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| Marmaduke |
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Marmaduke
Scooby Slapper
Joined: 08 Jan 2013
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| Teflon-Mike |
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Teflon-Mike
tl;dr
Joined: 01 Jun 2010
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| Posted: 18:45 - 16 Sep 2013 Post subject: |
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| PhilDawson8270 wrote: | Hopefully there's sufficient weight on the tyre to give it more traction in poor conditions as a wider tyre will just spread the load of a wider area. |
Dry weight: 135.0 kg
Rear tyre dimensions: 100/90-18
Front tyre dimensions: 90/80-18
For Comparison; the CB125 Superdream weighs 125Kg, and is mounted with 3.00" front (aprox 80 section) 3.25" rear, aprox 100 section.
Tyre sizes were actually upped from the earlier CB125, mainly for cosmetic reasons, that ran a 2.75" front, 3.00" rear, a combination that actually works better on the Super-Dream, and is the same as the CG125 and other 'utility' commuters.
For further comparison; my 1984 VF1000 that has something like 10X the power of these lightweights, and nearly 3x the weight; was fitted as Standard with a 140 section rear tyre. The 1993 CB750 with 6x the power and 2x the weight, is fitted with a 150 section.
The OE-Fit 4.00 tyre is about 25% bigger than it needs to be to start with. Upping that another 25% is just daft.
I seriousely doubt that any 'improvement' to the bikes handling or the level of 'grip' may be atributed in the slightest to the bigger tyre size, but change to what is likely to be a better grade of tyre.
On which note; more significant 'improvement' was, and probably still may be found simply fitting a more sensible size and better grade of tyre to standard wheels; Mitch M45's, or Pilot Sporty's for example; AND narrower than OE fit would probably offer more still.
Be cheaper too.....
You have of course declared the modification of safety critical component, to your insurance company, havent, you Stans?
GRIP has little to do with what area of rubber you put in contact with the road; the main equation that determines the max force that can be transmitted between tyre and tarmac is 'clamping force' pushing tyre into the road, times co-efficient of friction.
More weight pushing tyre against tarmac, more force you can transmit before it slips.
Higher the co-efficient of fricition; softer the rubber, grippier the tarmac; more force you can transmit before it will slip.
So unless you have added weight to the bike to increase clamping force, or made the roads less slippy, or your tyre stickier; you will NOT have got more 'grip'... even in the dry.
Meanwhile in the wet; wider tyre is like a flat-bottom ferry compared to a sharp pointy speed-boat.... wide and blunt, it has to move more water further asside to cut through to the surface and find tarmac to hold on to.
Means that in the damp; wide tyres are likely to trap more water under the rubber, effectively lubricating them less sticky.
Fatter rubber is fitted to bigger, heavier and more powerful bikes, primerily because they are heavier, and being heavier have more grip from the higher clamping force it provides, but need the extra area of rubber, to spread that load over a wider area so that it doesn't wear out as fast or overheat!
It is not 'better' just because its 'fatter', unfortunately.
____________________
My Webby'Tef's-tQ, loads of stuff about my bikes, my Land-Rovers, and the stuff I do with them!
Current Bikes:'Honda VF1000F' ;'CB750F2N' ;'CB125TD ( 6 3 of em!)'; 'Montesa Cota 248'. Learner FAQ's:= 'U want to Ride a Motorbike! Where Do U start?' |
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| 1cyl |
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1cyl
World Chat Champion
Joined: 04 Feb 2004
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| Posted: 18:51 - 16 Sep 2013 Post subject: |
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Old Thread Alert!
The last post was made 12 years, 175 days ago. Instead of replying here, would creating a new thread be more useful? |
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