Help for starting up my two stroke motorized bike!!

alfredothegr8

New Member
Local time
7:39 PM
Joined
Jan 18, 2025
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5
Location
England
had a two stroke motorized bike for past 8 months. worked beautifully for ages. Now won't start until ive ran down a steep hill ten times. Electrical links are good, spark plug is good, fuel mixture is good. Need some help coz i have no idea what to do. The engine will almost get going but then just wont. Anyone know whats going on??
 
Gas gone bad? Maybe choke not on or not off. Check the plug after a few no start tries, if it is really wet you maybe have carb flooding, like a stuck float? If dry, not enough fuel to start.
Next, spark issues. The magnet could be loose and moved, key got lost?
 
yeah I have been. Could that be why?
Yes it could...lol.

The stock "Z" series crappy, cheap, "Chinesium" spark plugs that come with these kits are a well known failure point...It is also the easiest and cheapest way to troubleshoot this particular problem...lol...lol.

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Make sure that your head is torqued down as well...when that loosens up, it can also be a cause of this problem too.
 
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