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Post by airbraker on Mar 10, 2012 18:44:15 GMT 1
My RD250LC has been sat idle in my brothers shed for over a couple of months. I managed to start it last time with a bit of difficulty. Would run intermittently on one pot for a while when warming up then ran fine. Managed to get it out of his shed today and it just wont start at all. Tried all the usual tricks bumping it ect and not a peep. It tickled a bit to start with and then that was that. Plugs get wet and nice big spark. Fuel tank half full. Shed was a little damp some of the bolts have gone nice shade of orange. I have had snags with it before but with persistence it will run but not this time. Any thoughts  |
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Post by arrow on Mar 10, 2012 19:22:46 GMT 1
Sounds like it needs a new set of plugs to me.
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Post by airbraker on Mar 10, 2012 19:34:48 GMT 1
Plugs are 2000 miles old I put a dyna coil on the thing I will try and get hold of some tomorrow wonder if the coil has foooked them ?
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Post by 1260dave on Mar 10, 2012 19:37:02 GMT 1
give the jets a good clean including the emulsion tubes
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Post by arrow on Mar 10, 2012 19:37:10 GMT 1
They don't last long if the bike is not run properly on the road. The changing interval is 1500 miles.
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Post by arrow on Mar 10, 2012 19:41:22 GMT 1
give the jets a good clean including the emulsion tubes That will only affect the mid range, not the cold starting. |
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Post by airbraker on Mar 10, 2012 19:51:31 GMT 1
Ok arrow so what do you recon strip the carbs and clean......? I am so flucked off my brother virtually stole the thing. I eventually got too it this morning and had to push it all the way to my place five miles
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Post by arrow on Mar 10, 2012 19:53:50 GMT 1
Try a new set of plugs first mate. 2 strokes don't like too many cold starts without a proper run. The plugs are only self cleaning when at load temperature.  |
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Post by airbraker on Mar 10, 2012 19:58:17 GMT 1
Cheers lads will give it a go and update tomorrow
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Post by tarmacscratcher on Mar 10, 2012 21:20:23 GMT 1
As said....new plugs. Once they're fouled you're knackered. If it doesn't start after a few kicks pour a bit of fuel/2 stroke mix down the plug holes. If you have compression and a spark it will fire. May have to do it a few times though. I've got a 93 Blade that had been stood outside for 6 years and got it running this way. Ended up pouring Coca Cola down the bores though.....but that's another story  |
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Post by airbraker on Mar 11, 2012 12:21:20 GMT 1
Right will try that. I have put new plugs in and no joy will try that next and then will strip and clean carbs. When I first got it out it tickled over for a couple of seconds and I just cant understand whats going on unless shite has clogged up carbs !
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Post by arrow on Mar 11, 2012 13:06:14 GMT 1
No harm done matey and at least you can eliminate the plugs.
I would also strip and clean the carbs next. I have a new set of genuine carb gaskets, do you want them ? Make sure the carbs are working properly first before you fit them. In other words, use the old ones if you think they need the bowles off again.
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Post by oldelsieboy on Mar 11, 2012 13:56:44 GMT 1
Do you have the choke balance pipe fitted between the carbs? OEB Item 39  |
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Post by airbraker on Mar 11, 2012 18:12:55 GMT 1
Yea balance pip fitted. I am giving the battery a good charge at the moment not sure it needed it as ignition lights looked OK but just another eliminator. It just seems strange that there is absolutely nothing !
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Post by oldelsieboy on Mar 11, 2012 18:20:11 GMT 1
Yea balance pip fitted. I am giving the battery a good charge at the moment not sure it needed it as ignition lights looked OK but just another eliminator. It just seems strange that there is absolutely nothing ! Battery has no effect on ignition. OEB |
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Post by lovelydog on Mar 11, 2012 21:16:21 GMT 1
I left my 350lc in my mums garage while I was at sea for a week one time, she had a tumble dryer in there kicking out steamy condensation and as I didn't have an air filter on my carbs I had the same problem as you're having ie. wouldn't start at all. I put it down to moisture in the carbs as a quick removal,drain and blow out of the carbs and she fired up normally. I bought that bike with standard pipes and the air box not connected to the carbs and it ran so well I just kept it like that.
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Post by airbraker on Mar 13, 2012 16:47:19 GMT 1
Cleaned one carb blue through all jets ect and used cloth to clean everything I could see. Going to have a quick look at kill switch but as I said there was a spark. Top of right carb throtle cable input is loose and lets through a little air when you manipulate it. Any thoughts on this ? See Norbs has a replacement.
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Post by ianmac on Mar 14, 2012 8:45:11 GMT 1
If it's been sitting for a while no harm in using some fresh petrol.
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Post by airbraker on Mar 14, 2012 19:09:30 GMT 1
Right put thing back together and guess what .... It started on second kick ! Trouble is its acting strange on idle. Kind of slugish to come up when throatle is pulled until it gets to 2500 revs then its fine. Comming back down again when it gets to 2500 it decends slowly. Above that range its perfect pulls like a bitch ! I think the next step is too drain fuel tank and put all fresh. I have adjusted idle air screws which are on 1 1/8 again and fiddled with slides listening to pipes to get them run even. Any thoughts |
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Post by mellow on Mar 14, 2012 21:38:36 GMT 1
i would say pilot jets and or airways  can be a bitch to clean out.carb cleaner and airline needed really  |
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Post by marsbar350 on Mar 15, 2012 8:31:50 GMT 1
try some redex to your petrol
works a treat
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Post by airbraker on Mar 15, 2012 11:00:21 GMT 1
Thanks mate sent you a PM
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can be a bitch to clean out.carb cleaner and airline needed really 
