1985 gt 150 intermit spark when throtteled up in gear

ranger23

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Joined
Jul 22, 2011
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4
this thing has a tick and i cant find it i did carbs 3 times and fuel pump now i know it is spark replaced stator timmer base trigger one pp and 2coils always looses fire different maybe 1 cyl maybe interm on 3 at once no im not crazy sometimes igo to the lake and runs fine but normaly you can get on plane and looses fire bogs down in to neutral and fire comes back after sevarel times of this it will run fine could it be a ghost ihave also tried disconnecting the saftey wires that can kill the spark when i got this motor the key on the flywheel had been sheard vro has been disconnected pre mixing now motor has been rebuilt 90 psi on all 6itried to cover it all here please help its been 7 months
 

ranger23

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Jul 22, 2011
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Re: 1985 gt 150 intermit spark when throtteled up in gear

come on fellows somebody
 

clanton

Rear Admiral
Joined
Jul 9, 2001
Messages
4,876
Re: 1985 gt 150 intermit spark when throtteled up in gear

How are you testing the electrical parts? All of these parts new? Did you fix the flywheel key? Have you check the flywheel magnets for being loose, missing? You have a meter that will read DAV volts?
 

ranger23

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Joined
Jul 22, 2011
Messages
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Re: 1985 gt 150 intermit spark when throtteled up in gear

admiral ive seen you on here i like what you have to say thank you for looking not all parts new but off my buddys running gt and oh yes fly wheel key is fixed magnets are strong and no cracks last mech that looked at it said stator numbers were a little off but could m
be nc heat this was tuesday he did find 1 coil bad and timmer base was outa spec so i changed 1 then the other im going to play with it tomorrow so any advice ill take it with me it so hard because it will clear up and will not bog on trailer in the water tried it yesterday after doing carbs agian evan thow i know it is spark
 
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