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Motorcycle Repair/1992 kawasaki kx80. Won't stay running


So I can kick start the motorcycle up and it will run just fine with the choke on but as soon as you take it of the choke, the engine will die off. It's acting like its fuel starved. I took apart an cleaned the carburetor. But it still had the same symptoms. Even with the choke still on, the engine will start to die off after a certain point. What are some possible explanations and remedies?

Sean, This should be a simple fix. Even though you have cleaned the carb the pilot jet circuit is still plugged or restricted. Its running on the fuel that passes through the choke circuit. Pull the carb again and remove the pilot or slow jet and see if you can see light through it if not use a small cleaning wire and carb cleaner in the spray can and blow through it untill clean and you can see light through the center. Also if the intake and exhaust are stock the pilot jet may be a #55 and the main jet should be about a #122. Once you have these cleaned then try it again and see if this helps..   Gary

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Gary Blake


I have built from ground up race winning motocross bikes and atvs as well as atv,s for flat track and TT racing. I am starting to take on the utv challenges now for racing. This is a new area for me so Im in a learning curve.


I have extensive experience in off road motorcycles and atv,s.I also work on street bikes and personal watercraft, Some experience was self taught and some was factory trained. I have been working in the powersports industry since the mid 70,s I hope I can help. Thanks Gary

Was a sponsor for K.O.R.R.(kansas off road riders) and now I am working with ROMEO,s (retired old motorcyclists eating out)and was in charge of the Quad Wars for the monster truck series in Central Kansas

Factory trained Kawasaki Heavy Industries. Factory trained GasGas motorcycles and atvs worked as a technician and was as a dealership owner.Kaw.Suz,Honda,Aprilia,Arctic cat,See Doo,Can Am, Bombardier,Yamaha,GasGas,Qingi,TM,Moto Guzzi,Harley,s

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