Question about 1978 kawasaki Z 650

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I put k,n lookalike air filters on my 1980 z650,now the left side sparkplug is always black and fluffy how do i stop this

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Switch sides with your air filters and see if it happens to the other side. If so get new air filters. If not your left carb is runnimg to rich. If it has a needle adjustment start by lowering it a notch at a time.

Posted on Oct 02, 2009

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Keeps fouling plugs

If the black deposits on the sparkplug are dry and fluffy then your problem will more than likely be a blocked or restricted airfilter. Your airfilter should be the sponge type, wash it in a soap water solution, dry it thoroughly then apply clean engine oil to the filter, squeeze it through then squeeze out the excess in a dry clean cloth. This will leave a fine residue of oil to trap any particles of dust. A heavy residue of oil in the filter will cause the problems you arte experiencing.
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When I start my 2003 Vstar 1100 Classic, and as i give it throttle during ideling, it dies out? Also as im driving my bike and i come to a red light and i down shift and the idle lowers, it dies out, but...

There are a few quick things to try before cleaning the carbs.

1.Clean your air filter, it may be choking out, trust me a dirty air filter will choke out a bike.
2.Check your spark plugs. If they are black and sooty, change them out. Its quick and less expensive.

I diagnosed a 2001 Roadking Fuel injected. Ran like ****, hardly any throttle response, died at idle.
the customer said he just had it serviced a month ago at the dealer.
I pulled the plugs and they were nasty. The dealer forgot to change out the sparkplugs. It Happens
I Put in a new set of spark plugs and the bike ran like new.
I've fixed a bunch of bikes in the past and this one always stuck in my mind because of the difference in performance.

Try the sparkplugs, i think its more likely to be that than the air filter.

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1 Answer

I have a 1980 corvette my heads light on my left side wont work my friends say they did a recall on my corvette is this true?

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3. You should see four black 'things' with wires attached at the top of the engine - unplug wires and pull the black plugs out.
4. If possible, use compressed air to clean out the holes before attempting spark removal. Sand can sometimes get in there.
4. Insert spark plug socket in the holes to remove and replace.

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