cdi repair

i have a 1988 yamaha fzr 1000 but I've got problem with my cdi one of
its component was burnt down it was a transistor I've try to find it
at some ordinary electronic shop but they didn't have it was special
made to buy new one it cost me a lot of money could anyone tell me
what should i do or any suggestion on using any fzr cdi unit from
other version please reply me asap

 

Using the patented Mavis Beacon "Hunt&Peck" Technique,
typed

Try fitting these:

,,,,,,,......

Your shift key appears to be wired up to your knackered CDI as well.
Nasty problem, that.

 

Post here, read here.

Buy a used one off eBay. Sorted.

 

and fix the fault that caused the "transistor" to blow before plugging in
the new module. Otherwise the OP will probably have a second blown
"transistor".

 

do i have to attempt new wiring to my fzr

 

I dunno. CDI units, like reg/recs, just seem to fritz as the spirit
moves them. But certainly checking and cleaning all the plug
connectors would be a good idea.

 

See other posting. Probably not.

 

Like TOG, my experience of such things breaking is that they 'just
do'. Not sure I've ever come across a specific electrical fault that
then fries the CDI.

 

wrote in

No idea. You really need a manual and a multimeter to check out the
components that the cdi unit was controlling plus any wiring inbetween.

 

Dispunctionality has an adverse affect.

 

Well, that's just being fuckwitted in the extreme. Mind you, the OP
might have done something similar.

Interestingly, my Ducati has a sticker by the battery warning you on
no account to disconnect the battery while the engine is running. I
assume that's because it'll do something terrible to the CDI, too.

 

Really, wessie, I don't think this is necessary. And I doubt the OP
has the knowledge to do it anyway.

 

I never understood why Ducati finally moved from their normal wiring
looms to a purpose-built immobiliser system.

 

Using the patented Mavis Beacon "Hunt&Peck" Technique, "TOG@Toil"

Maybe they'd finally got the electrics slightly reliable, and were
pining for the Good Old Days?

 

Thank you, Lord Voldemurray

 

Using the patented Mavis Beacon "Hunt&Peck" Technique, "TOG@Toil"

D'oh!

I've had a bang on the head, you know.

 

I've only ever had one fail in 30 years, and that was in 1979. It made
my first RD400 run in reverse when it rained - seriously.

 

Possibly not.

My experience is with mostly non-automotive electronics. Burnt out
transistors are often symptoms of shorts in wiring, stuck motors etc.
Perhaps these cdi units do go bang without external influence. I suppose on
something so old an integral capacitor going short circuit would be quite
likely. If that was the case, as I said up there, a replacement transistor
would just blow again. Obviously, replacing the whole module would fix the
problem in this case. Could be an expensive assumption though...

 

Ferk.
It's only done with the alternator output wires disconnected from the
system.

 

I dunno if these Jap black boxes are repairable, are they? Has anyone
ever opened one up and had a look? I don't think I've ever seen anyone
advertising a repair service, either. Strikes me that such a service
might find ready business.

My own experience with motorcycle electrical components going AWOL is
that the fault is usually down to corroded or loose connectors rather
than the components themselves. I'll make an exception for a Suzuki
GSX charging system I had to fix, back in the days: that had blown the
alternator and the reg/rec.

I got the alternator rewound for about £40, and bought a replacement
aftermarket reg/rec which had a nifty little LED tell-tale to show it
was doing its stuff.

Oh, and old airhead BMWs used to nadger their charging systems: ISTR
the diode board in the headlight was the main culprit. Never heard of
anyone ever repairing those, either, and replacement was something
like £150.