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Post by liffy16 on Sept 15, 2012 21:21:25 GMT 1
my standard 250lc wont go over 85 is this correct? thought they were capable of the ton.runs a bit bit rough until 6000rpm then pulls well to about 8500rpm.checked carbs jets and emulsion tubes clear.does run cooler on right pot though?
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Post by davey on Sept 15, 2012 22:03:40 GMT 1
Mine will just hit the ton but last year had a top end rebuild plus carb kits etc etc.
I can only imagine set up ie gearing, carbs unless the bikes highish mileage and getting tired so could be a little low on compression. Hth
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Post by steve h on Sept 16, 2012 14:29:29 GMT 1
Check everything and don't forget the exhausts (see if they are bunged up with carbon and crud)
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Post by liffy16 on Sept 16, 2012 21:08:24 GMT 1
bike is lowish mileage 14k believed to be correct still on standard bore though,perhaps a rebore might be solution,exhausts are clear and baffles okay,just seems to run out of steam at 80ish.previous owner said he put new rings in but if bores are worn that wont help much
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Post by gazilla on Sept 16, 2012 22:55:24 GMT 1
Something is not right as said check all.Carbs seem most likely but could be spokets but carbs are the more likely
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Post by spondonchris on Sept 17, 2012 0:15:28 GMT 1
Should do about 105
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Post by rich on Sept 17, 2012 13:20:53 GMT 1
I'd say that's optimistic. Maybe down a long hill with a tailwind but my standard 250LC would do about 95 caning the arse out of it. My tuned 275 LC was a different matter and that would do indicated 110 on the flat. |
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Post by billbott on Sept 17, 2012 14:35:51 GMT 1
My 250 gets just over 90 (on the clock).....just....with me on it. 6 foot three and big boned.
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Post by steve h on Sept 17, 2012 17:08:41 GMT 1
I know it might sound if I'm taking the urine( I'm not ) but have you got the correct plugs in? (B8ES) Bike should show a ton on the clock (on a track day, not on the roads!) if its in good fettle, and with a little work its quite easy to get it to 110, even with standard sit up and beg bars.
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Post by spondonchris on Sept 17, 2012 18:02:26 GMT 1
105 still hahaha, thats what mine did 2 up past Forton sevices.
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Post by steve h on Sept 17, 2012 18:29:52 GMT 1
Going past forton services, is down hill! south bound!!!!
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Post by peterlc2 on Sept 17, 2012 19:25:03 GMT 1
I hit 105mph on my x7 does that mean it was faster than an lc250😄
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Post by steve h on Sept 17, 2012 20:23:57 GMT 1
Yes.
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Post by liffy16 on Sept 17, 2012 21:40:31 GMT 1
great feedback chaps will try some new plugs not the lightest bloke myself 14 stone
trouble is my rd125lc mk3 does 95,shes showing the owd 250 up a bit lol !
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Post by spondonchris on Sept 17, 2012 23:01:20 GMT 1
It is downhill yes, but 105 she did.....i shit you not.
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Post by Norbo on Sept 18, 2012 9:03:40 GMT 1
Most do about 95 in standard trim and gearing . but some can do over a ton. i had one that would not do over 95 even down a hill that was it nothing more. my first 250 with crons on would do just about 110 flat out down a hill .
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Post by captaincaveman on Sept 18, 2012 11:13:17 GMT 1
What does a 350lc do flat out
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Post by dushka59 on Sept 19, 2012 12:23:00 GMT 1
Back in the day i had a standard 250 and could never get it over the magic to...no matter how hard I tried!!! I later bought, what turned out to be a tuned 250, and that bad boy was faster than my friends standard 350!!!....very reliable as well Oh happy days! Patrick my standard 250lc wont go over 85 is this correct? thought they were capable of the ton.runs a bit bit rough until 6000rpm then pulls well to about 8500rpm.checked carbs jets and emulsion tubes clear.does run cooler on right pot though? |
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Post by spondonchris on Sept 19, 2012 18:38:18 GMT 1
my 350 does 115 easily on stock gearing
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Post by liffy16 on Sept 19, 2012 20:43:40 GMT 1
hell fire spondon chris my 350ypvs struggles to do 115 argh !another slug?
thank god for my nsr250 120+ anytime
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Post by crash on Sept 19, 2012 21:01:38 GMT 1
my standard 250 lc would only do 95 mph as well.
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Post by airbraker on Sept 19, 2012 21:43:56 GMT 1
My standard 250lc will only do around 90 ish. Feels awful at that speed so I don't do it. I think the speedo might be telling porkies !
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Post by steve h on Sept 19, 2012 22:20:14 GMT 1
I have'nt a clue what the 250 I've got does, it goes off the clock. Dont thik the speedo was too far out.
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Post by spondonchris on Sept 19, 2012 23:50:50 GMT 1
In fact the 350lc did 115 on one tooth lower on the front spocket too, its stock with allspeeds and ypvs 31k carbs, nowt special realy.
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Post by steve h on Sept 20, 2012 14:35:22 GMT 1
I remember when the 350 came out, I was stoped on the Kendal by pass having a fag & 3 350lcs came past in the opposite direction. All 3 of them were flat on the tank and flat out. after they flashed past I looked at my CB900 and knew I'd made a mistake!!! Anyone here?  |
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Post by lovelydog on Sept 20, 2012 20:05:51 GMT 1
Never mind the top speed guys, we rode out last night with me on a 250lc with microns and my son on a bandit600 and a friend on a kwacker 636 and they both said they worked real hard to stay with me on our usual twisty route.
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Post by steve h on Sept 20, 2012 21:32:35 GMT 1
Thats brill lovelydog, you must have had your skates on leaving them floundering all over the plaice. etc etc. Sounds like its running ok with the condors on!
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Post by captaincaveman on Sept 21, 2012 0:33:34 GMT 1
I once seen 130mph on the clock out of my F2 down a very long hill. It had 40k on the clock or there abouts at the time. I remember the guy in the local bike shop telling me for months i was on borrowed time ;D Well that time did come and times where hard i still rode it for a while with the crank banging away for a few weeks till one day it banged no more  Are them were the days  |
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johnboybfc
Drag-strip hero
rd250lc gt250
Posts: 208
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Post by johnboybfc on Sept 21, 2012 0:52:33 GMT 1
ive reached 95 on mine seemed to still be picking up too but i bottled it finkin wot if it locks up lol
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Post by lckid on Sept 21, 2012 19:41:00 GMT 1
I had 95 out of my old 250lc and 116 out of my old 350lc got a mk1 375lc now to scared to cane the arse off it in case it blows up! ;D
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