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minnesh
Re: erratic timing
#11
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i must say that the guys here are great
information i got from here helped me locate a problem ............................
rotar and plug wires were responsible for my timing problem.
hell man
she goes like a bat out of hell now
thanks guys...........

Posted on: 2007/8/27 19:10
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minnesh
Re: erratic timing
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thanks,

Posted on: 2007/8/23 5:09
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BeastofBurden
Re: erratic timing
#9
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Isn,t there a timing chain tensioner driven by oil pressure? There was in the 1200 I pulled apart. I would think that the dist is worn, just take off your rota button and try to move the shaft sideways if it moves to much it,s stuffed! Most of these motors are getting old and who looks at dissy,s?? You rebuild your motor an drop the same old 200000K + dissy back in the hole!! beg, borrow someone else dissy (or get your,s checked) an try that.. Cheers & good luck

Posted on: 2007/8/23 2:24
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minnesh
Re: erratic timing
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any other way i can check the chain without having to stripp the complete cover
thanks

Posted on: 2007/8/22 18:18
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minnesh
Re: erratic timing
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we replaced the metal pully with a mini pully for damping.
thats the reason for the harmonic balancer.
think the chain faulty though as it only does it off acceleration.
thanks guys

Posted on: 2007/8/20 16:48
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minnesh
Re: erratic timing
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checked the crank and rotor position,
crank moves aboit 10mm before rotor starts to move ,could be a stretched chain i think
thanks guys

Posted on: 2007/8/20 16:46
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A14force
Re: erratic timing
#5
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Broken springs in the dizzy

Posted on: 2007/8/20 15:26
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bobs1200
Re: erratic timing
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a streched and about to fail chain can cause erratic timing. to check pull dist cap off turn the crankshaft with a wrench on the pulley clockwise then note position of dist rotor now while whatching rotor turn crank shaft backwords the rotor should move instantly if not how much you move the crank before rotor turns that will show you if chain is good or stretched

Posted on: 2007/8/20 11:25
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ddgonzal
Re: erratic timing
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Most american engines run the timing marks on the harmonic balancer with no problems. A-series engines don't have harmonic balancers, but a simple all-metal pulley.

If the timing is jumping around, chances are it is in the distributor:
* worn distributor shaft bushing
* worn distributor cam lobe
* loose points plate
* Broken advance mechanism
* bad contact points (partially burnt or not adjusted to the right distance)

Posted on: 2007/8/20 7:02
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pager
Re: erratic timing
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Harmonic balancer's jump back and foward to balance the engine. If your timing mark is on the balancer it wont be stable at all.

Posted on: 2007/8/20 5:44
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