ninjette.org - View Single Post - 2007 Ninja 250 wont start...any suggestions?

jkv45 · February 25th, 2014, 12:58 PM

The jets, especially the pilot jet, are still partially plugged.

The jets and jet holders need to be removed and cleaned thoroughly by inserting a small brass or copper wire through the jet and all the holes in the holder. Spray carb cleaner through them and spin the jet around the wire to make sure they are fully open.

Also make sure the battery is fully charged and in good condition. A fully charged 12V battery should read 12.7V after any surface charge is gone. 12.0V is only about 25% charged. Cranking voltage should stay very close to 12.0V if the battery is strong.

Make sure the gas is very fresh, and dump any in the tank if there's a chance it's not. Use Ethanol-free gas if you can get it.

February 25th, 2014, 12:58 PM	#2
jkv45 Rev Limiter Name: Jay Location: WI Join Date: Jul 2013 Motorcycle(s): '06 SV650n, '00 Derbi GPR, '64 CA77 Dream 305, '70 CL450 Scrambler, numerous dirt bikes Posts: A lot. MOTM - Jun '18, Oct '16	The jets, especially the pilot jet, are still partially plugged. The jets and jet holders need to be removed and cleaned thoroughly by inserting a small brass or copper wire through the jet and all the holes in the holder. Spray carb cleaner through them and spin the jet around the wire to make sure they are fully open. Also make sure the battery is fully charged and in good condition. A fully charged 12V battery should read 12.7V after any surface charge is gone. 12.0V is only about 25% charged. Cranking voltage should stay very close to 12.0V if the battery is strong. Make sure the gas is very fresh, and dump any in the tank if there's a chance it's not. Use Ethanol-free gas if you can get it.
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