FZ6n s2 Error 46

natefz6 · Brolly Dolly Joined: 06 Apr 2005 Karma :

Hey all,

So riding along the M4 today and my engine light comes on while "making progress" in the outside lane. Engine feels fine, I had checked levels the day before while giving it a good clean. I pull over to lane one and decide that I will pull in to Heston services to give it a reboot (I work in IT can you tell Smile

). As I continue in lane 1 I look down to check the status and see all of my dash is out, no LCD or RPMs being shown, indicator indicators still work.

I pull in to the services park up, kill the bike and try to turn it over again. Bike just clicks like the battery is dead. Error code 46 appears on the odo dash. After a quick google I try pulling and replacing some fuses and connectors but nothing resets the code and as the battery sounds deaded I call for recovery.

The bike has now been dropped at Berkshire Motorcycles who are going to take a look in the next couple of days. I am thinking its either a dead battery (not taking charge) or the rectifier/regulator/generator or whatever this bike has.

I was half tempted to just get it towed home and stick the battery on the optimate but its my main commuter so I need it to be reliable and checked over.

While the recovery guy was there we started it off a boost pack and looked at some readings off the battery. When idle the volts were between 8.7 and 9.8 volts which seems pretty low but I did since read that they don't start charging the battery till 5,000RPM so this may just indicate my battery is flat, which I know already Smile

Anyone else had the same? what was it?

Sad

https://i.imgur.com/jXeNU5Y.jpg

Thanks
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"no I didn't steal it that's just the way I ride"

RhynoCZ · Super Spammer Joined: 09 Mar 2012 Karma :

I bet my money on the rectifier = no charging, hence the dead battery.
Could also be dead stator. Time to do some proper diagnostics =
1) Charge the battery up, put it in the bike and check DC at the battery while the engine is running
2) If nothing = uplug the stator from the charging system (3 yellow wires) start the engine and check AC between the wires while the engine is running
3) If you get good values (30-60V AC between the wires) = reg/rec dead
4) If you don't get good or any values from the 3 yellow wires = search no more, time for a new stator
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I take it as you have all your connections and plugs clean and there are no damaged wires around.

jjdugen · World Chat Champion Joined: 03 Jun 2011 Karma :

Nope, they work like any other charging system, median 13-14V at tickover, !4.5 after 2-3000RPM. Reg/rec prime suspect.
____________________
The CBR900RR has been sold. Aprilia Falco worms its way into my heart.
Try Soi 23 on Amazon for a good read.... Self promotion? Moi?

natefz6 · Brolly Dolly Joined: 06 Apr 2005 Karma :

Baffler186 · World Chat Champion Joined: 31 May 2013 Karma :

I had the same with mine, it was the reg/rec. I'm surprised it didn't blow any bulbs out; the small running lights and number plate light are usually the first to go, so check them.

probably fried battery. New reg/rec, new battery and then you'll have to check the charging system to see you've not damaged anything else.

In fairness, mine went at the start of a ride (bulbs blew) but I didn't know what it was at the time so kept riding until my battery was completely dead (and started smoking), and it still did no damage to the rest of the charging system. The bike then charged faultlessly for the next 2 years until I sold it.
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Current: 2009 SV650 S, 1990 Kawasaki GT550
Previous: 2009 CBF125, 1998 GSF600, 2004 FZ6 Fazer, 1978 CB400a Hondamatic

natefz6 · Brolly Dolly Joined: 06 Apr 2005 Karma :

So the Garage has confirmed its likely to be reg/rec, he tested the generator and that was OK. He has also dropped the oil out to test the coils were not damaged...

So anyway he has quoted £160 odd for a reg/rec which sounds expensive to me. Anyone got a link to a trusted site that has one for less. I have done some googling and it seems you can pick them up for £80 for something that looks legit off ebay or £20 for something off banggood Smile

Thanks again.
____________________
"no I didn't steal it that's just the way I ride"

chris-red · Have you considered a TDM? Joined: 21 Sep 2005 Karma :

RhynoCZ · Super Spammer Joined: 09 Mar 2012 Karma :

Baffler186 · World Chat Champion Joined: 31 May 2013 Karma :

The OEM reg/rec was £90-something off Wemoto. I got the aftermarket one for £74 I think. it's a doddle to change, so labour should be non-existent. Do it yourself
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Current: 2009 SV650 S, 1990 Kawasaki GT550
Previous: 2009 CBF125, 1998 GSF600, 2004 FZ6 Fazer, 1978 CB400a Hondamatic

MattEMulsion · World Chat Champion Joined: 29 Aug 2004 Karma :

Is £160 just for the part or is that the total bill all in with labour, diagnostic time etc?
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Yamaha YZF-R6

natefz6 · Brolly Dolly Joined: 06 Apr 2005 Karma :

jjdugen · World Chat Champion Joined: 03 Jun 2011 Karma :

Hmmmmmm...........
____________________
The CBR900RR has been sold. Aprilia Falco worms its way into my heart.
Try Soi 23 on Amazon for a good read.... Self promotion? Moi?

RhynoCZ · Super Spammer Joined: 09 Mar 2012 Karma :

natefz6 · Brolly Dolly Joined: 06 Apr 2005 Karma :

So I forgot to update this once everything got sorted...

The mechanic contacted the rewinding place and they basically told him a load of test he should do before sending it through to them as they did not think that it would be the problem as they had heard of the same before.

Turns out the remaining problem was just a flat battery, so I just got billed for the reg/rec and oil and labour.

I have had the bike back for a couple of weeks but only ridden it for one and it seems fine. I think I might invest in a motobatt just in case its the battery on the way out that caused it. Its still on its factory battery that is nearly 9 years old.
____________________
"no I didn't steal it that's just the way I ride"

Wheezybiker · Nitrous Nuisance Joined: 19 Jun 2017 Karma :

Good to hear that all is ok
Also more info for me as I have a xj6n so another thing to look out for