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starter clunck while turning over

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Old Aug 6, 2007 | 12:53 PM
  #1  
zippers107's Avatar
zippers107
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Default starter clunck while turning over

Ihave a 107ci advacned timing,with decompression releases and a 1.8 terry starter, once in a while if I hold the start button to long (1,2,3,4 ) I get a load clunck noise !! starter turns the motor over fine for the 1,2,3,4, count then clunck !! .

do you think it is the starter clutch working to hard ?? not able to turn the motor over any more and the clutch disengages
(battery is all chagred up)

thanks
 
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Old Aug 9, 2007 | 07:38 AM
  #2  
geargrinder's Avatar
geargrinder
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Joined: Dec 2006
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From: Omaha Nebraska
Default RE: starter clunck while turning over

That clunck could be the starter clutch releasing then re-engaging again. If your cranking fuel is off or your timing is too far advanced, you could be getting a kickback or partial combustion causing the starter clutch to either slip due to detonation or disengage, re-engage during apartial combustion power stroke. I had to experiment with timing and fuel in the 0-500 RPM cranking range. Don't know what you have for a tuner and tuning capabilitiesthough. If this continues too long your starter clutch will startslipping, I went thru a couple of these clutch assemblies before I finally resolved the problem. For a while I wasstarting to think it was a defectiveCrank Sensor not being able to pick up astrong enough of a signal during cranking RPMonly but itscoped out OK.
 
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Old Aug 9, 2007 | 01:13 PM
  #3  
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zippers107
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Default RE: starter clunck while turning over

thank you , I have a Zippers (Daytona Twin tech)TC88 ignition withthe Zippers curve, I am going to get there interface cable and software, I may have a few questions then I get it !!!

thanks again
 
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