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Quad
The Day Starts With OZATV !
Joined: 22 Oct 2006
Posts: 2773
Location: UP FRONT
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 Posted: Sun Aug 19, 2007 7:34 pm Post subject: 450 yfz cdi problem |
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| have a rev max advantage performance cdi in a 450 yfz im working on for a bloke makes the motor like miss, std cdi will not do this whots wrong duz the motor need rejeting or is the cdi stuffed thank you. |
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Sponsor
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Quad
The Day Starts With OZATV !
Joined: 22 Oct 2006
Posts: 2773
Location: UP FRONT
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| Posted: Sun Aug 19, 2007 9:12 pm Post subject: ok |
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| well some one must know |
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altech1
50cc nipper
Joined: 09 Nov 2007
Posts: 11
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| Posted: Sat Nov 17, 2007 10:29 pm Post subject: |
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hi there be cearfel with sume after market boxs yfz and the yzf 450 run a lot of advance all redy cause of there 5 valve set up if you rember the yzf 426 and haw hard thay where to start thay need alot of advance to get the fier started thay dont have the best combustion chamber shape (quote from yamaha school) .check the tps voltage. sumtimes when u change the tci box it needs to be re set and if thats ok and its wired up ok
check that the kill switch is ok .unplug it turn it off and make shore theres 0 ohms across it in the off posion (been cort be for with this ) if thats ok check pick up resistenc and statour resistecn if thats ok its the tci box that you have bought
sorry about spelling  |
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Quad
The Day Starts With OZATV !
Joined: 22 Oct 2006
Posts: 2773
Location: UP FRONT
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| Posted: Sun Nov 18, 2007 5:55 am Post subject: all good |
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thanx for that & the spelling
no one perfect ,some on here think they are .
change cdi to std goes good.
again thax for the emfo. quad |
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Wadey
4fiddy Racer
Joined: 17 Apr 2007
Posts: 261
Location: Colac, Victoria
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| Posted: Thu Nov 22, 2007 7:01 pm Post subject: misfire |
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| Try running it with one headlight on i;e; some current draw on the system. Early models have this fault, usually only with the std CDI box, but my sons YFZ does the same with a Vortex unit. Anyway doesnt take much to try that one. |
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