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Voltage Drop on Starting
#1
Here's the next chapter in the on-going saga of my Fazer not starting properly.

As mentioned in other threads, I'd seen the Temperature Gauge jumping up to the top of the scale, which lead me on a false trail of thinking the coolant sensor was buggered, but it turned out to be fine.

What I didn't realise was that the ABS warning light was flashing too and, according to an FZ6 Service Manual I found online, it flashes every 0.5 seconds if the voltage drops below 10v.

I phoned Yamaha UK's Tech department and spoke to one of their guys and he suggested that the voltage drop was caused either by the starter solenoid or the starter motor.

I've tried cleaning the contacts on the starter solenoid and its resistance seems to be within tolerance, so could a duff Starter Motor cause that much of a power drain?

I could take it out and disassemble it, but that looks like a lot of work, so I'm thinking of splashing out £30 for a replacement from a breaker's on eBay.

So the question is, I've looked at the Haynes manual , but how easy is it really to take out an old starter motor and put in a new one? Anyone got any tips?

PS I'd also tried checking the plugs (well, the nearest one on the right hand side of the bike) and although they're a bit old, it didn't look faulty according to the images in the Haynes book. It did say about checking the resistance of the Spark Plug Cap, but although I could get it off the plug, it said "unscrew the cap from the HT lead", however it seemed to be directly moulded onto the lead somehow.

The bit that might have been the part they suggested I unscrew  had a mould line that seemed to run all the way down the cap and I didn't want to start buggering about with that in case I broke it! So can that be unscrewed or not?


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Messages In This Thread
Voltage Drop on Starting - by Grahamm - 07-12-14, 03:06 PM
Re: Voltage Drop on Starting - by Fazerider - 07-12-14, 03:26 PM
Re: Voltage Drop on Starting - by Grahamm - 07-12-14, 04:17 PM
Re: Voltage Drop on Starting - by Fazerider - 07-12-14, 07:32 PM
Re: Voltage Drop on Starting - by Grahamm - 07-12-14, 10:53 PM
Re: Voltage Drop on Starting - by Fazerider - 08-12-14, 03:20 PM
Re: Voltage Drop on Starting - by bigralphie - 08-12-14, 03:31 PM
Re: Voltage Drop on Starting - by Grahamm - 09-12-14, 12:45 AM
Re: Voltage Drop on Starting - by Grahamm - 09-12-14, 12:46 AM
Re: Voltage Drop on Starting - by Fazerider - 09-12-14, 01:26 AM
Re: Voltage Drop on Starting - by Grahamm - 09-12-14, 01:48 AM
Re: Voltage Drop on Starting - by Andy FZS - 09-12-14, 06:30 AM
Re: Voltage Drop on Starting - by JoeRock - 09-12-14, 12:00 PM
Re: Voltage Drop on Starting - by bigralphie - 09-12-14, 02:36 PM
Re: Voltage Drop on Starting - by Grahamm - 09-12-14, 04:59 PM
Re: Voltage Drop on Starting - by Fazerider - 09-12-14, 08:12 PM
Re: Voltage Drop on Starting - by Grahamm - 09-12-14, 10:12 PM
Re: Voltage Drop on Starting - by Grahamm - 11-12-14, 12:22 AM

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