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PostPosted: Fri Jan 26, 2018 7:21 pm 
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Well I found the starting problem - the 22 connector (RH switch gear) had a loose wire, preventing the starter button working. Must be just a massive coincidence that it broke at the same time, unless, I don't know actually, but anyway, that's fixed.

I measured the battery while off - 12.7v , and then while running, and it was less, and continuously decreasing to eventually under 12v, so I suspect a charging problem, and not necessarily a dying battery. I measured the volts from the regulator at the 77 connector and that was reading quite erratically, 6v - 7v, sometimes dropping to 1v or 2v.

So next I will test the stator and regulator, but today I was sidetracked due to some unexpected smoke from around the airbox, which seemed to fix itself after removing the airbox plastics, finding that it was coming from a square vent behind the rear throttle body (and nothing electrical), then putting the airbox back on. The vent recirculates the air (including smoke in this case) back into the airbox through a little foam filter, which brings me to my next question... Does this vent normally smoke? I suspect not, in which case I have another issue. But if if it does normally have a bit of smoke, then somehow that vent just unsealed whilst I've had it apart, and then removing the airbox and reattaching solved that loose seal connection.

I can't tell exactly where it vents from, but it seems like it joins the left hand side of the rear cylinder head. Here is the smoking...

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PostPosted: Fri Jan 26, 2018 8:10 pm 
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That's the engine breather and no, it shouldn't smoke like that at all !......what did the smoke smell of ?

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PostPosted: Fri Jan 26, 2018 9:57 pm 
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Nothing really. Well, a non identifiable smell. I have since read online that it can be from overfilling with oil.

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PostPosted: Fri Jan 26, 2018 10:23 pm 
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Yep.....or stator coils burning :)

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PostPosted: Fri Jan 26, 2018 10:41 pm 
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From experience if it doesn't charge below 3000 rpm then your stator needs the Maz advice. Oil jet and West Country rewind sorted mine until some low life relieved me of ownership.


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PostPosted: Fri Jan 26, 2018 11:20 pm 
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Maz wrote:
Yep.....or stator coils burning :)


Err, how would the smoke from inside the stator get into the breather?

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PostPosted: Fri Jan 26, 2018 11:23 pm 
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Jim1340 wrote:
From experience if it doesn't charge below 3000 rpm then your stator needs the Maz advice. Oil jet and West Country rewind sorted mine until some low life relieved me of ownership.


If it doesn't charge below 3000 rpm, would that be because it's deteriorated, or is that how it is from factory??

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PostPosted: Sat Jan 27, 2018 12:11 am 
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FerrisBueller wrote:
Maz wrote:
Yep.....or stator coils burning :)


Err, how would the smoke from inside the stator get into the breather?


FFS Ferris.....take a proper look at where that breather hose goes !......the stator is mounted inside the engine cases, if it was burning the resulting 'smoke' has no other escape route other than out of that breather, that's why I asked what the smoke smelt of :idea:
I can almost guarantee you that your stator is burnt out.....bog standard on these bikes.

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PostPosted: Sat Jan 27, 2018 12:14 am 
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Alright, calm down. I didn't realise it was inside the engine case and therefore linked to that breather.

FFS thanks for your help.

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PostPosted: Sat Jan 27, 2018 12:18 am 
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:roll:

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PostPosted: Sat Jan 27, 2018 12:34 am 
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Jim1340 wrote:
From experience if it doesn't charge below 3000 rpm then your stator needs the Maz advice. Oil jet and West Country rewind sorted mine until some low life relieved me of ownership.

Maz wrote:
:maz:


How much is a rewind roughly from West Country? Do they also do the oil jet drilling, or do you Maz?

If I assume my stator is damaged for now, how can I check my regulator? Or do I have to wait for the stator to be fixed before I can test the regulator?

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PostPosted: Sat Jan 27, 2018 6:13 pm 
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West Country Windings have actually just replied quoting me £135.

I have also just performed the tests outlined in several guides I've seen, producing these results:

Stator connector - voltage across each pair at idle was 0v :!: I wasn't expecting this as when I measure the two pins on the 77 connector I was getting about 6v -7v. I don't understand this result! Should I try it again revving over 3000rpm?
Resistance readings were 0.06Ω, 0.06Ω, 0.08Ω (expected values according to the manual are 0.1Ω - 0.3Ω, so mine had less resistance, not sure if that is good or bad).

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PostPosted: Sat Jan 27, 2018 6:37 pm 
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Did you have your meter set to AC volts ?......resistances are too high.....was there any continuity to ground ?

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00 M2
01 X1
03 P3
10 CR


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PostPosted: Sat Jan 27, 2018 7:56 pm 
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Maz wrote:
Did you have your meter set to AC volts ?......resistances are too high.....was there any continuity to ground ?


My resistances were lower than the manual said as it was under 0.1 rather than the 0.1 to 0.3 it suggested.

I presume so as the other readings from the battery were correct. I checked all 3 and there were none grounded.

Maybe I’ll double check it all tomorrow. I presume even if it’s broken it should give some reading then.

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PostPosted: Sat Jan 27, 2018 7:58 pm 
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Ah I just realised that the stator output isn’t like the battery, which is is DC. Thanks.

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