Author Topic: New owner, no start. spark, gas, compression  (Read 1570 times)

stlhedr

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New owner, no start. spark, gas, compression
« on: May 23, 2014, 10:20:24 PM »
Just picked up a couple fl250's. One parts other complete. Have evrything going for the one but cant get it too fire. Early year with points. Think i have timing and pounts set right. 125psi on compression, cleaned up the carb. Seems like its getn gas ok. Tried two different coils. Tried startin fluid with and with out carb also. Help!!!

hoodlum

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Re: New owner, no start. spark, gas, compression
« Reply #1 on: May 24, 2014, 10:56:42 AM »
Have you checked the half moon key in the flywheel? If it's the least bit worn or bent, it will throw the timing off... Also, check exhaust for any blockage.
Hoodlum

stlhedr

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Re: New owner, no start. spark, gas, compression
« Reply #2 on: May 24, 2014, 07:37:35 PM »
Flywheel key looked good. Pulled off exhaust lastnight will try with out it later this eveing. If i have compression in cylinder, do i need to do a crankcase pressure check?

hoodlum

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Re: New owner, no start. spark, gas, compression
« Reply #3 on: May 25, 2014, 05:24:34 AM »
Yes... Cylinder compression has nothing to do with an air leak...

LiveWire

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Re: New owner, no start. spark, gas, compression
« Reply #4 on: June 01, 2014, 07:01:03 PM »
Starting fluid can ignite inside the crank case of a two stroke engine and cause very bad things to happen. Poor mixed fuel in the spark plug hole.

ZeroClient

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Re: New owner, no start. spark, gas, compression
« Reply #5 on: July 05, 2014, 06:55:16 PM »
To me it kinda sounds like your timing is 180 degrees out of sync. Try rotating the collar under the flywheel 180 degrees because it can fit both ways. This happened to me where I had everything but time was wrong and wouldn't start. As soon as I turned the collar 180 degrees it fired first pull. Tip: clean the contacts every time you are in there.