KymcoForum.com
Scooters - 50cc => People 50 => Topic started by: spidrgr on November 09, 2010, 06:42:23 PM
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In the last few weeks, I noticed that the people 50 4t is not a machine which is very friendly to cold weather. It starts OK in a heated garage but immediately starts to stumble and kind of stall the moment it gets out in to cold air and does not get much better til it gets warm, especially on the clutch/belt cover on wich it breathes air from. When I say cold, I mean 5 to 10 celsius. The colder, the worse. Anyone experienced this phenomenon? My guess, its all caused by the too lean jetting.
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In the last few weeks, I noticed that the people 50 4t is not a machine which is very friendly to cold weather. It starts OK in a heated garage but immediately starts to stumble and kind of stall the moment it gets out in to cold air and does not get much better til it gets warm, especially on the clutch/belt cover on wich it breathes air from. When I say cold, I mean 5 to 10 celsius. The colder, the worse. Anyone experienced this phenomenon? My guess, its all caused by the too lean jetting.
Almost every A50/125 is like that.
I have measured resistance of the auto choke: the manual mentions 10 Ohm as reference, but in fact, the installed device has 16 Ohm.
I wonder if they changed parts vendor for choke somewhere along the way who is delivering the part with wrong specs, hence these issues with cold start.
It is not lean jetting, in fact, I think they are all factory set to be a bit too rich.
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Good reply, but I still believe jetting is too lean. I get the same effect when I remove the intake restrictions from the air filter box, except that it does not disappear after rthe engine warms up. In my opinion, symptomatic of lean jetting, no?