Question about Motorcycles
Sat for a few years without oil or gas. Put new plug and gas and oil. Cleaned carb and air filter. Barely runs if you hold it at full throttle. If you let go it cuts off. Please help
Tryijng running some stable throught that might help, even tho you ran carb cleaner through it there could possible still some gump stuck in the carb or fuel lines
Posted on Jan 03, 2014
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Posted on Jan 02, 2017
Your carburetors need to be cleaned. The pilot jets are at least partially plugged.
If you are comfortable doing this yourself, you need to remove the seats, fuel tank, and air induction system before you will be able to get the carbs out. Be carefull when removing the fuel tank, there is a wire harness that will need to be un plugged from it to remove it. The wire harness plug runs under the plastic tray under the seat. There are 3 plastic rivits that will need to be removed to get to the plug. The carbs come out as a pair, and can be tough to get back in the boots.
You need to remove the float bowls, remove the jets, and blow carb cleaner and compressed air through them all. The pilot jets are most likely the only culprit, but you might as well clean everything if your going to all the trouble. You should also blow carb cleaner and compressed air through all of the other passages while your at it. Make sure that you can see through the jets and there is no debris left in them. Make sure to clean the floats, needle valves, and float bowls as well.
This happens when the bike sits for long periods. The fuel we get now days has a very short shelf life before it goes bad. Fuel oxydizes over time, and it happens even faster in a small amount that is vented which is exactly as it is when its in the carburetors of a motorcycle. When fuel oxydizes and evaporates, it leaves a gummy mess behind. The pilot jets are the smallest passages that sit in the fuel, so they naturally plug first.
You can prevent this by keeping fuel stabilizer in your fuel when ever the bike will be sitting for long periods of time. Myself personally, when I store one for the winter, I like to leave the carbs empty.
Posted on Nov 26, 2008
SOURCE: Engine stalls
I assume your bike has been in storage for awhile...Your engine is running on choke ONLY, that's why when you cover the air inlet it's the same as what the choke does.....your jets in the carb are clogged and will facilitate a removal and cleaning of the carbs my friend.....find a trusted mechanic and you'll be rolling in no time...Good Luck to you......Tim
Posted on May 09, 2009
hi,sounds to me like the air fuel ratio is all up the ***,locate the air/fuel screw on the carb(normally on the side)screw the screw right in untill it stops,then back the screw out 1.5 turns,this should get the bike to run without the choke,once you have the bike running simply turn the screw in or out untill the bike settles into a nice steady idle,should be good to go,hope this helps...cheers
Posted on Mar 27, 2010
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