Bike now running extremely rough

stangkid

New Member
Local time
4:26 PM
Joined
Aug 1, 2014
Messages
20
Location
Michigan
I parked my bike for a few days, back tire blew. So I swap the intertube, and now when I tried to start it, it is making loud pop noises when running. It still runs, but every 2-3 seconds it loses power and pops loudly.

Any thoughts?

btw:
stock 80cc
39tooth gear
Used to run great
 
also check for a loose wiring connection or bad spark plug cap
 
check for rat nests in your air filter.
just kidding but if its not free-flowing then it makes your fuel mixture too rich. blow through and feel for resistance.
plane your head and cylinder top using sandpaper on glass. (essential unless you like power loss)
you might want to drain the gas tank and put in some fresh mix (after draining your float bowl)
 
Actually it happens due to the any impurity present or mixed with oil.Otherwise the engine problem.In my suggestions if you buy a bike then choose a best brand and which can never give any problem in future.If you want to buy the new motorized bicycle then simple go through the site www.heliobikes.com and here you can get the best model with a better price.
 
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