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Post subject: ignition question
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griffinslc  Powerband Master Joined: 30 Oct 2006 Total posts: 709 Location: dublin,ireland |
if my timing is out can it affect 1 cylinder only or will both be affected?
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Posted: Sun Jun 29, 2008 1:02 pm
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gary-rd-robbo![[RD/RZ Blood Donor]](../img/pipsvip.jpg "RD/RZ Blood Donor")
RD/RZ Blood Donor One-handed Stoppie! Joined: 07 Oct 2007 Total posts: 2331 |
most likely bothpots will be affected .....however.........1 pot different to another tends to be a symptom of a twisted crank...
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Posted: Sun Jun 29, 2008 1:23 pm
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griffinslcPowerband Master Joined: 30 Oct 2006 Total posts: 709 Location: dublin,ireland |
shit gaz dont say that.......bikes running intermittingly on 1 cylinder,changed the coil,plugs,lead,caps,changed the carb,swapped the leads,cylinder chimes in from midrange up but goes onto 1 at low throttle openings and idling.cant figure it out,carb is clean as a whistle.
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Posted: Sun Jun 29, 2008 1:36 pm
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gary-rd-robbo
RD/RZ Blood DonorOne-handed Stoppie! Joined: 07 Oct 2007 Total posts: 2331 |
you done all that ...mmmmm bad intermittant faults are the worst...
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crank seal leaking??
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water getting into the cylinder via gasket and fouling up the spark plug...(had this fault myself)
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rings /low compression.
you tried all the obvious by the sound of it tbh....but still sounds carby...or fuel not getting there....doubt timing as the plate would affect both cylinders...this has to be a strange one..
check head gasket for water getting in and fouling the plug and this would cut the plug from sparking...had it similar to you on my valve but turned out i hadnt torqued down far enough... 
never answer the phone when your doing sommat...lol.....
just an idea mate.
gaz
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Posted: Sun Jun 29, 2008 1:46 pm
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griffinslcPowerband Master Joined: 30 Oct 2006 Total posts: 709 Location: dublin,ireland |
cheers gaz,some ideas there to try,think you mite be on the money with the water gettin into the cylinder,have noticed slight leak fromt the head bolts so might need retorqing.as for compression,new pitons rings an bores so rule that out.new crank seals aswell.no obvious smoke either so im gonna rule that out.time to break out the torque wrench methinks......btw your tacho is workin sweet! 
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Posted: Sun Jun 29, 2008 1:51 pm
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griffinslcPowerband Master Joined: 30 Oct 2006 Total posts: 709 Location: dublin,ireland |
btw i torqued to manual specs but whats the max i can go to?
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Posted: Sun Jun 29, 2008 1:54 pm
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biker_jay Daily Burner Joined: 09 Aug 2005 Total posts: 166 Location: Colchester |
If youve recently stripped the top end, dont forget if it got real hot before the head may have twisted, however it wouldnt misshape untill you took the head off so you wouldnt have noticed a problem before.
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Posted: Sun Jun 29, 2008 2:06 pm
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griffinslcPowerband Master Joined: 30 Oct 2006 Total posts: 709 Location: dublin,ireland |
after all that,my brother figures it out in 5 mins,seems the timin slipped,looked like the flywheel nut worked loose and prob sheared the woodruff.so timins well out.
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Posted: Sun Jun 29, 2008 6:40 pm
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biker_jayDaily Burner Joined: 09 Aug 2005 Total posts: 166 Location: Colchester |
oh dear, not good. Hope you can get her sorted
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Posted: Sun Jun 29, 2008 6:43 pm
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griffinslcPowerband Master Joined: 30 Oct 2006 Total posts: 709 Location: dublin,ireland |
relieved to hear that was the prob!!shoudlnt be more than few mins to fix,just gotta get the bits n tools tomoro
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Posted: Sun Jun 29, 2008 6:49 pm
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gary-rd-robbo
RD/RZ Blood DonorOne-handed Stoppie! Joined: 07 Oct 2007 Total posts: 2331 |
great result mate...glad tacho works for ya...strange why it only affected 1 cylinder though...posibly water ingress if you say it was weeping .great news...get it torqued down and wring it's neck...he he after the running in...lol
gaz
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Posted: Sun Jun 29, 2008 9:53 pm
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