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Sinnis Sucker |
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Sinnis Sucker L Plate Warrior
Joined: 23 Oct 2019 Karma :
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MarJay |
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MarJay But it's British!
Joined: 15 Sep 2003 Karma :
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Teflon-Mike |
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Teflon-Mike tl;dr
Joined: 01 Jun 2010 Karma :
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Posted: 14:05 - 16 Nov 2019 Post subject: |
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Speed limit on most A-roads IS 50mph... whats your problem?
But, no, it's not 'artificially restricted' like an old two-stroke; it's just 'naturally' slow. Live with it; enjoy the fuel-economy; OR get a different bike.
You 'could' tune it, but its a 125, and in the greater scheme, they are ALL 'slow'. The 'fastest' of the fast 2T spurts 125's only ever achieved a gnats over 100mph... about as slow as a 40 year old Honda 250 single... so what do you expect/hope for, really? The best you might hope for is around the 12bhp/60mph mark, the factories achieved 40odd year back, without any modicum of reliability, so you aren't even starting with... so no realistic hopes there either I'm afraid.... so back to getting another bike. ____________________ 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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WreckTangle |
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WreckTangle Scooby Slapper
Joined: 21 Oct 2019 Karma :
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Posted: 14:47 - 16 Nov 2019 Post subject: |
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yeah, it's the same speed as my crappy yamaha ybr 125. So to get it over 55 mph you will have to find a really straight piece of road with no traffic on it, and give it a full throttle burst for about.......5 mins....
eventually if you are luck it might hit 70 like mine did, but the noice it will make will be biblical, and it will probably be very unstable at high speeds.
One thing I notice that will affect the thing is wind resistance, if you are sitting up straight your torso will be creating alot of drag, so if so
push your body forward and kinda go into a forward crouching position
Like this:
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTlqdg2MfNm1_G-82pHsfN3FhkJXuxzEAWhmkbcsKV7raMhtZPpQw&s
your drag will go down alot, and you will find the bike goes a tad faster. Not much, but an extra 10 mph makes big deal when you are in a hurry ____________________ My wife asked me to get her something that goes from 0-100 in under 5 seconds for her birthday. ......................I got her a bathroom scale. |
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The Shaggy D.A. |
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The Shaggy D.A. Super Spammer
Joined: 12 Sep 2008 Karma :
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Posted: 15:13 - 16 Nov 2019 Post subject: |
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How big are you? I'm a fat git and my YBRs would sit at 55 happily, with the Custom a few mph slower than the standard which topped out at 68 on the GPS. ____________________ Chances are quite high you are not in my Monkeysphere, and I don't care about you. Don't take it personally.
Currently : Royal Enfield 350 Meteor
Previously : CB100N > CB250RS > XJ900F > GT550 > GPZ750R/1000RX > AJS M16 > R100RT > Bullet 500 > CB500 > LS650P > Bullet Electra X & YBR125 > Bullet 350 "Superstar" & YBR125 Custom > Royal Enfield Classic 500 Despatch Limited Edition (28 of 200) & CB Two-Fifty Nighthawk > ER5 |
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ThatDippyTwat |
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ThatDippyTwat World Chat Champion
Joined: 07 Aug 2016 Karma :
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Fisty |
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Fisty Super Spammer
Joined: 11 Apr 2007 Karma :
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WreckTangle |
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WreckTangle Scooby Slapper
Joined: 21 Oct 2019 Karma :
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Posted: 16:40 - 16 Nov 2019 Post subject: |
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The Shaggy D.A. wrote: | How big are you? I'm a fat git and my YBRs would sit at 55 happily, with the Custom a few mph slower than the standard which topped out at 68 on the GPS. |
yeah, sorry, I meant it was the same engine size as his, not it was the same problem with speed.
2 things I can suggest: going back to original problem,
Maybe look at the internal components of the bike itself to see if there is anything wrong, for example:
Disassemble the air box and remove the filter. The filter is one of the cheapest components of a 125cc motorcycle but one of the most important. Fuel ignites with the help of air, so the more clean air that flows into the engine the more combustion you'll get (so the faster it will go) Air filters come in different colors, such as yellow, red or white. This helps riders know when they are dirty. If your 125cc motorcycle air filter is dirty, spray it with cleaner or replace with an oiled aftermarket filter. Also, clean any gunk out of the air box with contact cleaner, making sure no grime or dirt falls in.
Or 2)
don't bother buying new bike/upgrading bike what ever, just get your full license done (if you have not got it already) sell your apache smr and get a big fat bike that will make your mother cry ____________________ My wife asked me to get her something that goes from 0-100 in under 5 seconds for her birthday. ......................I got her a bathroom scale. |
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Teflon-Mike |
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Teflon-Mike tl;dr
Joined: 01 Jun 2010 Karma :
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Posted: 18:42 - 16 Nov 2019 Post subject: |
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WreckTangle wrote: | Disassemble the air box and remove the filter. The filter is one of the cheapest components of a 125cc motorcycle but one of the most important. Fuel ignites with the help of air, so the more clean air that flows into the engine the more combustion you'll get (so the faster it will go) Air filters come in different colors, such as yellow, red or white. This helps riders know when they are dirty. If your 125cc motorcycle air filter is dirty, spray it with cleaner or replace with an oiled aftermarket filter. Also, clean any gunk out of the air box with contact cleaner, making sure no grime or dirt falls in. |
Clogged air-filters, and a good service are the most common 'loss' of oomph, for sure, B-U-T generic chinky 125's are built for the Chineese market, where they have a licence/taxation law that favours motorcycles sold as only capable of a max speed of 55mph.... co-incidence?
To meet the 55mph 'restriction', on better built 125's, they often down-gear them a tooth so that at max revs they wont turn the wheel faster, b-u-t the most common means of ensuring compliance is just aged designs and crap build!
I expect that UK importers, that buy up these things by the boat-load for pence, will not do much to cut into their profit margins, either tackling ex-works build faults, let alone alleviating any other means used to prevent the things exceeding 55mph.
It IS however also co-incident, that many new riders, especially those who have been weened on cars, especially in the last twenty years, to 'Short-Shift' quickly through the gearbox, and try doing almost all their riding in 'top', over-drive gear... for various notions, of not liking the sound of it revving its head off, through ideas that higher revs mean more fuel and or more wear, and peculiarly amongst millenials PC indoctrinated from kindergarten... more 'pollution'... most of which is rather perverse reasoning, and you HAVE to thrash one of these little engines to get the best from it.... B-U-T... I doubt that that will make much difference... it be slow bike... like I say, live with it, and enjoy the economy, or get something else! ____________________ 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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ThatDippyTwat |
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ThatDippyTwat World Chat Champion
Joined: 07 Aug 2016 Karma :
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Posted: 18:55 - 16 Nov 2019 Post subject: |
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Teflon-Mike wrote: | To meet the 55mph 'restriction', |
What the actual fuck are you on about? There is no such thing as a 55mph restriction, on either good or bad 125's. The cheap, generic 2v single pot ones just happen to run out of puff there.
You're a fucking liability sometimes, we know you're full of shit and winging it, but some of us have been round bikes for a few decades (in some cases, a lot more). Noobies don't know, and take it as read. If you don't know, STFU or ask, no-one will flip a lid, not everyone knows everything. But making shit up to look like you do is guaranteed to piss people off. ____________________ '98 VFR800 (touring) - '12 VFR800 Crosrunner (Commuting) - '01 KDX220 (Big Green Antisocial Machine) |
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chris_hu_cheng |
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chris_hu_cheng Renault 5 Driver
Joined: 06 Jul 2018 Karma :
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Posted: 20:15 - 16 Nov 2019 Post subject: |
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Could be a revs thing.
I have picked up an older Herald classic 125 (Chinese based of course), has the 18inch rear wheel and easy to get over 60 but need to rev it.
Can thrash it to over 50 in 3rd and then mid 60s in 4th, 5th however is just for maintaining mid 60s with less revs on a good road. Try changing up to 5th at 50mph and it bogs down and barely accelerates at all, same if you change up to 4th too early.
An extra 10mph makes a BIG difference on some journeys where the typical speed limit is 60mph (NOT 50). Getting there a bit quicker helps too.
So on that bike 5th is just for cutting the revs a little once you get up to top speed on a flat road. I suppose in theory 5th would take 75mph or more but there is not enough power to overcome resistance, over 70 is possible down a steep hill.
EDIT: dodgy wiring/cheap bulbs and or rectifier may pop bulbs, at the rev limits on Chinese bikes I went through two headlight and sidelight bulbs until I replaced and re-wired the headlight. |
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MarJay |
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MarJay But it's British!
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WD Forte |
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WD Forte World Chat Champion
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Fisty |
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Fisty Super Spammer
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stevo as b4 |
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stevo as b4 World Chat Champion
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Bhud |
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Bhud World Chat Champion
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wr6133 |
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wr6133 World Chat Champion
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garth |
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garth World Chat Champion
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- Super Spammer
Joined: 22 Oct 2013 Karma :
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Posted: 13:09 - 17 Nov 2019 Post subject: |
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Teflon-Mike wrote: | Speed limit on most A-roads IS 50mph... whats your problem?
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Really? Not for cars and motorcycles it's not. Certainbly not round my way. There are a few 40 or 50mph limits, but out side of villages it's 60mph on all single carriageway roads, unless you're in a restricted vehicle like a van, hgv, , bus, towing etc..
https://qph.fs.quoracdn.net/main-qimg-a9fa60c9dec22359177e3ce24de2b528 ____________________ TZR250 2MA road, TZR250 1KT road, TZR250 2MA race, TDR250, YZF-750R Boost colours.
Jaguar S Type 3.0 V6 Sport R, VW Transporter T5 GP LWB Shuttle 140ps DSG. |
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Polarbear |
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Polarbear Super Spammer
Joined: 24 Feb 2007 Karma :
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Posted: 13:52 - 17 Nov 2019 Post subject: |
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Another for the 'why waste time and money' approach.
Use it until you pass your test, sell it and buy a bigger bike. The old adage that 'there is no substitute for CC's' is a pretty fair one.
Also, when you come to sell it it will be worth (slightly) more unadulterated. ____________________ Triumph Trophy Launch Edition |
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Easy-X |
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Easy-X Super Spammer
Joined: 08 Mar 2019 Karma :
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Posted: 21:14 - 17 Nov 2019 Post subject: |
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I sympathise. My old Superlight was listed as having a top speed of 65 but I rarely got it over 60; the engine wasn't up to it, the handling wasn't up to it. Most of the time I cruised at 45 ~ 50 which it seemed happier with. I'll always have a soft spot for it though and I did wonder what it would have been like to drop a 250 in from a Pakistani Superlight...
No, much better to have a "proper" bike ____________________ Husqvarna Vitpilen 401, Yamaha XSR700, Honda Rebel, Yamaha DT175, Suzuki SV650 (loan) Fazer 600, Keeway Superlight 125, 50cc turd scooter |
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Kentol750 |
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Kentol750 World Chat Champion
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andyscooter |
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andyscooter World Chat Champion
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lilredmachine |
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lilredmachine World Chat Champion
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Old Thread Alert!
The last post was made 4 years, 149 days ago. Instead of replying here, would creating a new thread be more useful? |
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