Bike Running too rich - TwoWheelForum: Motorcycle and Sportbike forums
 
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post #1 of 1 (permalink) Old 11-11-2008, 06:46 PM Thread Starter
 
Join Date: Nov 2008
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Bike Running too rich

Hi,

I recently bought a 1983 Honda Nighthawk 750. After buying it, I found out very quickly that it has a dead stator and regulator. I am currently sourcing parts to correct it.

I discovered too, that it is also running rich (ie dry black spark plugs). I put in new plugs and cleaned the jets and float bowls but it is still running rich. It starts easily but starts to stumble with the choke on and I have to rev the engine to get it to warm up. When warmed up it idles OK but stumbles when the you rev the engine high. I compression checked the engine and it shows with 140 PSI on all cylinders (within a couple of PSI).

My question is does the absense of a working charging system lower the effectivness of the spark and cause the engine not to be able to burn the gas properly making the bike run poorly?

I don't know what to check next. Any help would be appreciated.

Thanks.
jdove is offline  
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