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Discussion Starter · #1 ·
hi all
just picked up 87 zx1000a2 and have power loss problem.
bike idle nice 1k to 3.5k rpms no problem, then it starts bogging, will not go past 4k rpms and back fire, wonder if its electrical, (new sparkplugs) points, coils or just carb problem(cleaned carbs and nothin)...need ideas

thank you

patryk
 

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Discussion Starter · #2 ·
coils

also yesterday i ohm'ed coils and they are with in specs, so could it be pulse generator if so how do i check it out
 

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Try the easiest things first, different plugs, check the wires to the plugs for cracked insulation (can cause short and loss or weak spark) generally speaking all good electrical connections, are the points burned up or nice and clean (flat) at the contact point?, check for points gap, if that is off you also have trouble, look for air leaks from the filter to the carburetor, then between carbs and cylinders.
 

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i had the same bike....and one time one of my pickup coils(theres two under the left side cover by rotor)and replaced and ran fine.other than that....it could be a real lean carb setup and at that rpm its starving of fuel so bad it just hits a wall
 
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