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post #1 of 11 (permalink) Old 04-26-2019, 12:27 PM Thread Starter
Minitwins
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Stator replacement, remove rotor?

Hello and sorry if this has already been discussed but couldn't find it anywhere, I recently purchased from a friend a '09 Street Triple R and a few rides in have found that the Stator is shot, I have done the multimeter checks and nailed it to the Stator, when reading the Haynes manual it describes removing the Rotor when replacing the Stator, but the only reason I can see for doing this would be to clean the shaft and oil the needle bearings, I dont have the Puller or Rotor Strap so I'm wondering if this is in fact essential, the youtube vid I found does not remove the Rotor but that's no reassurance really is it ;-)
The bike had a replacement mosfet Regulator/Rectifier and new Stator back in 2014 12k miles ago, should I replace the R/R too? its not overcharging so I'm assuming the R/R is ok?
Many thanks in advance,
Craig
And good to meet everyone on here, a real port in a storm!
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post #2 of 11 (permalink) Old 05-18-2019, 09:13 PM
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post #3 of 11 (permalink) Old 06-24-2019, 03:10 PM Thread Starter
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Hey Folks, an update on the stator issue, so I purchased the new Stator (brand:RM Stator) and installed it myself a few weeks ago, since then I've done around 100miles on the STR, the picture below shows the new stator after those 100miles, the company said they will exchange it but I'm a little concerned about quality after this experience, is it worth buying the Triumph one, I was under the impression that Triumph use RM Stator?

Any input welcome with this one :-)
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post #4 of 11 (permalink) Old 06-24-2019, 05:29 PM
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I've seen multiple images like this of RMStator units - it seems like they used some really inappropriate resin coating and it is rapidly breaking down with heat.
I would also be doing an oil & filter change!!

Ask for refund an get yourself one from http://RicksMotorSportElectrics.com - their product is top-quality and their customer service is excellent. They will ship to UK I believe.
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post #5 of 11 (permalink) Old 06-25-2019, 03:16 AM
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I bought cheapie one from Ebay cost A$75 maybe around U$50, so far so good 8000 Km already, the only issue when engine is hot, bike hard to start, I think it's the cps.
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post #6 of 11 (permalink) Old 06-26-2019, 03:36 PM Thread Starter
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Quote:
Originally Posted by DEcosse View Post
I've seen multiple images like this of RMStator units - it seems like they used some really inappropriate resin coating and it is rapidly breaking down with heat.
I would also be doing an oil & filter change!!

Ask for refund an get yourself one from http://RicksMotorSportElectrics.com - their product is top-quality and their customer service is excellent. They will ship to UK I believe.
Thanks for the info DEcosse, I will try to get a refund, they are only offering a replacement at the moment, but considering its not even done 100 miles and its contaminated the oil plus the time spent and another gasket, plus breaking down and pushing it for 2 miles, I think a refund is the least they should offer, surely there must be a good quality Stator available in the UK, so tomorrow I will find one and get a refund for that crappy burnt out unit, I'll keep ya posted,
Cheers
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post #7 of 11 (permalink) Old 06-26-2019, 03:43 PM Thread Starter
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Quote:
Originally Posted by tempolong View Post
I bought cheapie one from Ebay cost A$75 maybe around U$50, so far so good 8000 Km already, the only issue when engine is hot, bike hard to start, I think it's the cps.
Hmm well that's a curve ball, I just want to avoid breaking down and all the hassle with exchange plus the new oil and filter and possibly another gasket, this experience has put me off wanting to chance another inferior Stator, I will do some more research tomorrow, thanks for the input though
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post #8 of 11 (permalink) Old 06-26-2019, 07:59 PM
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Originally Posted by streethrux View Post
Hmm well that's a curve ball, I just want to avoid breaking down and all the hassle with exchange plus the new oil and filter and possibly another gasket, this experience has put me off wanting to chance another inferior Stator, I will do some more research tomorrow, thanks for the input though
Still ok, just required many times to crank and fully open the throttle, but if you leave it cold for 5 mins, it will crank and fire the 1st time. this is my 3rd stator, 1st and 2nd are genuine triumph, and still the same they died after around 40,000Km, if you can keep the original cps from triumph stator and swap it with that one that comes from cheapie stator, that will be better options.

my 2008 is 120,000Km now, still good and great compressions.
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post #9 of 11 (permalink) Old 07-03-2019, 04:07 PM Thread Starter
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Ok so, I got a new Stator from Electrex World here in the UK after being advised that their products are of top quality and are made in Britain (not China) I have fitted the new Stator but now the bike keeps stalling?? it seems to be charging ok at around 14v when running, the engine just cuts out intermittently
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post #10 of 11 (permalink) Old 07-05-2019, 10:36 AM Thread Starter
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UPDATE: The stalling seems to be worse when cold, engine is running rough in general, when I unplugged the stator from the rectifier the bike still runs rough which would indicate that it must be a sensor fault?, so i've removed the newest Stator and installed the original one with the faulty phase, it hasn't stalled yet with this one which indicates the new one has a faulty sensor, I took the new one down to the local auto electrician and he says the sensor checks out ok, but could the sensor have an intermittent fault? dropping out and making the engine stall?
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