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Old 04-13-2010, 06:43 PM   #1
mauigene
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Join Date: Apr 2010
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Default 90's glass body, power problems

Hello, I have a mid 90's, glass body. ezgo don't know engine size.
Over time the engine seems to run only on one cyl. then two. It feels as if it is running retarded. Cold start in am, it runs single cylinder till it warms then as if you flipped a switch it will pick up and run smooth.

What I have done; Carb clean, air gap set to spec, new plugs, fuel pump bloc works perfect.

I checked spark at the plugs and it is faint yellow color, shouldn't it be bright blue? Can coils come and go intermitently like a switch?

Have not done comp. check cause when it is running well it has plenty of power.

Could a sticky valve or burnt valve operate this way. I have also set the gap on the valves at 4.
What else is there, I am still leaning to weak coil and spark. Any help? Thnx
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Old 04-14-2010, 08:38 AM   #2
ruredy
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Default Re: 90's glass body, power problems

first I would check and clean all the wire connection through the ignition system and grounds. I would also re-adjust the valves, don't fool with feeler gages, just back off a 1/4 of a turn and lock them down. The engine should be a subaru robin 295. it's been my experience that coils usually start going goofy after they heat up some but anything possible and it may even be the plug wires. the igniter could be the cause of this problem, unfortunately the only sure test is to replace the igniter with a known working one to find out.
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Old 04-14-2010, 08:04 PM   #3
mauigene
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Default Re: 90's glass body, power problems

Thanx a bunch, good idea, I will pursue your ideas. mauigene
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