dern
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| posted on 25/3/07 at 02:09 PM |
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Bec rectifier
I didn't get a rectifier with my 2003 R1 engine and obviously need one. Getting hold of a 2003 R1 rectifier is proving a time consuming and
potentially expensive business so...
All a rectifier does is convert what ever you get out of the alternator to 12V, right? Therefore any rectifier is going to contain a load of diodes,
some voltage regulators and a big heat sink. Therefore will any 12v rectifier do the job for me or do I specifically need one matched to my bike
engine?
Thanks,
Mark
R1 (2003 FI) powered Locost in progress
Fireblade/Impreza
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Wadders
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| posted on 25/3/07 at 02:14 PM |
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Any bike shop will sell you a spurious rectifier,that fits any bike. think i paid about £38 for the last one, its in my toolbox as a spare, i traced
the fault to a bad connection.
Al.
Originally posted by dern
I didn't get a rectifier with my 2003 R1 engine and obviously need one. Getting hold of a 2003 R1 rectifier is proving a time consuming and
potentially expensive business so...
All a rectifier does is convert what ever you get out of the alternator to 12V, right? Therefore any rectifier is going to contain a load of diodes,
some voltage regulators and a big heat sink. Therefore will any 12v rectifier do the job for me or do I specifically need one matched to my bike
engine?
Thanks,
Mark
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dern
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| posted on 25/3/07 at 02:19 PM |
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quote:
Originally posted by Wadders
Any bike shop will sell you a spurious rectifier,that fits any bike. think i paid about £38 for the last one,
So they do all do the same thing?
Cool.
Thanks,
Mark
R1 (2003 FI) powered Locost in progress
Fireblade/Impreza
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mark chandler
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| posted on 25/3/07 at 02:40 PM |
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three yellows, red and black, yellows any order to the engine, red to battery, black to earth, anyone will do, just get a substantial looking one from
ebay for a 12v bike, ie one with cooling fins. Mines got a Ducati on a honda, my bikes got a honda transalpine on a fireblade. Its only taking 3 phase
AC via a bridge rectifier and turning it into dc.
Regards Mark
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BenB
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| posted on 25/3/07 at 04:46 PM |
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If you go scrappy hunting just make sure it's a well heat-sinked rectifier or at least its got a nice large piece of metal on the bottom that
you can bond (with heat transfer paste) onto something big made of aliminium to radiate away the heat- they chuck out a fair bit of heat and if
inadequately cooled can go pop and let out the magic smoke!!!
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dern
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| posted on 25/3/07 at 06:38 PM |
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Nice one, thanks guys.
R1 (2003 FI) powered Locost in progress
Fireblade/Impreza
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02GF74
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| posted on 26/3/07 at 02:00 PM |
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rectifier and voltage regulator are 2 different things.
I used 6 fat doides mounted on aluminium ange (heatsink) to rectify output on my Z1000 A1 - pennines compared to a new one. (I think the voltage
regulatr is suspect though).
any way, rectifier convers AC electricitiy, as what comes out of the alternator into DC; car and bike alternators seem to be 3 phase so you need 6
diodes.
voltage regulator takes electricity and clamps it down to a specific levle, usally in car and bikes this is around 12 V.
Some alternators combine both in one unit.
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