VFR400 NC24 1987

firstone · Derestricted Danger Joined: 19 Jul 2006 Karma :

Greetings.
2 weeks ago the Rectifier/Regulator blew , (and i mean blew) big gash in side where smoke poured .. needless to say this has been replaced with another from (a salvage NC24) , problem is the "new" one is getting red hot after 2mins of running up the machine , I'm too scared to go any where in case i kill this one aswell . is there something that is causing the Rectifier to cook or am i being paranoid ? I have heard that the VFR's do kill rectifiers over time but how is this fixed ? . CBR600 model with Heat Sink ?
Many Thanks in advance.

carsounds_dan · Nitrous Nuisance Joined: 13 Jul 2006 Karma :

be interesting to see what people say on this one as im looking at a VFR as my first bike Cool

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add me on msn for info on CAT 2 immobalisers, and cheap fitting in the crawley area

Paddy Blake · World Chat Champion Joined: 29 Jun 2006 Karma :

It may have a short cercuit.check if any of the wires got burnt.
they can melt and short together.

tatters · Exxon Valdez Joined: 05 Jan 2004 Karma :

The stock Rectifiers are shit and the location is silly (right by a cyclinder head), you ethier need to relocate it were air can flow over it or buy a heavy duty pattern one with a heat sink fitted.

I had a few from these people for varoius bikes inculding a NC24.

https://www.electrexworld.co.uk/
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Past:NRG50,AF1125(x2),NSR125RR,ZZR250,CX500,VFR400,KR1S,ZZR600(x2),CB400N,YZF1000(x2),KH125,Z200,FX400R,CBR954RR(x2)GPZ500S,GT550,VFR750F(x2),RD350N,XR650R,CBR600F,CB250,KDX250,YZF750R,CRM250,400EXC,KLR650,TTR600RE,DR350S,R100GSPD,RGV250,VMAX1200,DL650,KZ750 Present:G650XC,C12,CRF450X,1190ADV

firstone · Derestricted Danger Joined: 19 Jul 2006 Karma :

Hi guys,
Just checked out all the Electrics with multi-meter and all voltages to and from Rectifier are ok . I shall definatley have a look at a Better option Rectifier from that site you provided "Tatters" cheers for the link dewd. So now all is needed is a blast out on her to see if this one cooks.. hopefully it still has a good few thousand miles left in it before it needs changing for a "Pattern" one. well I think my mate (who owns the NC24) is feeling a bit happier now after your advise, thanks guys.

My bike is a Yammy YZF600 Thundercat, and aint had no problems yet. fingers crossed !.. lol .