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Post by chops on Oct 5, 2013 5:42:04 GMT -5
I also adjusted the valves when I first got it and they are both at 0.03 and they are still fine.
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Post by chops on Oct 5, 2013 5:40:42 GMT -5
I've just had the cvt cover off and took the variatir and clutch off and found nothing unusual or loose. Lots of black belt dust but that's it...
The bike is still very hesitant and still has the noisy rattle which only happens under load and it sound like its coming from behind/ inside the cvt area!!
What would be the next best coarse of action?
Could it be piston slap even if the compression is still good?
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Post by chops on Oct 4, 2013 9:32:04 GMT -5
Thanks for the replies.
The bike has always been upright. I only do short 4 mile trips to work and that's all the bike is used for. Also it is never really at full throttle for long as I travel directly through a built up town.
I plan to remove the variator and clutch tomoz just to see if anything is loose or worn.
Fingers crossed its something simple and cheap!!
Still can't figure out why it was running 100% fine before I put it away and then the very next morning it's terrible!
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Post by chops on Oct 4, 2013 6:17:45 GMT -5
Hi all.
I've got a 2012 gy6 50cc 4 stroke scooter which has ran great for the last year.
It has had the oil changed twice in the 1500 miles it has clocked up.
Now the problem.....
It was running great without any signs of problems when I put it away overnight, the next morning I went to ride it and it was terrible! Totally hesitating and a horrible metallic rattle/sound coming from the engine area somewhere!!
I've checked the compression and that is fine at 170psi and I've also had the carb off and cleaned that out with an compressed airline.
But yet it is still not running right and sound terrible!
What area should I be looming at next an what could it possibly be??
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Post by chops on Apr 6, 2013 11:41:25 GMT -5
Right folks. Bike is now sorted.
I changed my carb back to the original one it came with but changed the jets,floats and diaphragm back into it.
Fitted and it fired straight up.
So pleased to have it back running and just in time for going back to work on Monday.
Thanks for all your help guys. It's great to hear suggestions and ideas when u feel your at the end.
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Post by chops on Apr 5, 2013 18:04:34 GMT -5
Ok thanks.
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Post by chops on Apr 5, 2013 17:50:57 GMT -5
Ok. Will try in the morning thanks. Will have to be some fuel though as I ain't got any carb cleaner at hime
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Post by chops on Apr 5, 2013 12:05:50 GMT -5
Which intake nipple?
Can't do anything just now as its freezing and bike is back in the shed for the night.
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Post by chops on Apr 5, 2013 11:55:08 GMT -5
Ok. Thanks,that's good to know.
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Post by chops on Apr 5, 2013 8:43:46 GMT -5
is there any way of checking the side stand kill switch? just to check if thats causing it?
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Post by chops on Apr 5, 2013 8:42:21 GMT -5
still no joy!!!!!
Ive checked valves and they are still set at 004. There is absolutly no sign of life at all. its not even trying to start!
ive changed the coil and spark plug and its still getting a good strong spark.
i havnt managed to check compression with a tester yet but have put my finger over the spark plug hole and cranked the bike over and although i cant keep the hole plugged, i wouldnt say its a super strong force.
really really struggling for ideas now.
it wouldnt be so bad if it at least showed signs of starting but it doesnt.
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Post by chops on Apr 3, 2013 14:59:40 GMT -5
Cheers fellas. Maybe have to make a trip into work and pinch the compression tester for the day.
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Post by chops on Apr 3, 2013 14:55:50 GMT -5
The bike is only 6 months old and I have already adjusted the valves once (last time I had a problem).
Suppose my next step really is the compression test. At least that will tell me I I have a knackered engine!
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Post by chops on Apr 3, 2013 14:48:45 GMT -5
It defo has a spark as I checked that this morn. Quite worried now you mention bent valves!! Doesn't sound good!!
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Post by chops on Apr 3, 2013 14:26:47 GMT -5
So assuming that the carb bowl IS filling up but it's still
Not firing,what else can I be looking at?
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