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Offline Wassers

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  • Town / City: Berkshire
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Engine Management Light
« on: May 02, 2018, 09:05:44 AM »
Hi all,

My engine management light is permanently on however, the bike is running absolutely fine  :305:

I've got it booked in on Saturday to have it looked at. Dealer (over the phone) reckons it could be the dreaded sticky exhaust valve... they've had a couple of these recently.

I'll keep you posted once its been plugged in and diagnosed.

Hoping this sticky exhaust valve isn't turning in to a common problem for us Mutley owners.



Sometimes you need a really crooked road to get your head straight

Offline Conman

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Re: Engine Management Light
« Reply #1 on: May 02, 2018, 10:26:48 AM »
I'd put money on it. It's a common problem to all bikes with exhaust dampers fitted. They didn't even fix mine, just took it out because they said it would eventually go wrong anyway  :015:
If I knew what I was doing I would probably stop doing it.

Offline neilb

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Re: Engine Management Light
« Reply #2 on: May 02, 2018, 11:07:54 AM »
*Originally Posted by Conman [+]
I'd put money on it. It's a common problem to all bikes with exhaust dampers fitted. They didn't even fix mine, just took it out because they said it would eventually go wrong anyway  :015:

Has it made a difference to the noise level at low revs. I remember disabling the exhaust valve on a Fireblade but couldnt live with the noise at tickover so enabled it again.

Offline Conman

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Re: Engine Management Light
« Reply #3 on: May 02, 2018, 11:38:36 AM »
I think it did yes, but not that much. Mind you I fit ear plugs as soon as I start the engine. Next door use me starting the bike as an alarm clock, so when I went to work an hour early the other day they went into a panic  :008:
Apparently that's why the damper is fitted in the first place, to get the bike through noise metering at type approval.
If I knew what I was doing I would probably stop doing it.

Offline Wassers

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Re: Engine Management Light
« Reply #4 on: May 02, 2018, 11:42:32 AM »
Ah, that noise was you then the other day Conman... us southerners wondered what the noise was  :087: :005: :745:
Sometimes you need a really crooked road to get your head straight

Offline Conman

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Re: Engine Management Light
« Reply #5 on: May 03, 2018, 08:38:28 AM »
Eh? Pardon. Whats that you said?  :033:
If I knew what I was doing I would probably stop doing it.

Offline resovoir

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Re: Engine Management Light
« Reply #6 on: May 03, 2018, 07:12:45 PM »
Will it still pass the new level MOT with increased standards if the butterfly exhaust valve is disconnected?

Offline neilb

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Re: Engine Management Light
« Reply #7 on: May 03, 2018, 07:41:00 PM »
*Originally Posted by resovoir [+]
Will it still pass the new level MOT with increased standards if the butterfly exhaust valve is disconnected?

Youve got a few years to puzzle that one out

Offline Conman

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Re: Engine Management Light
« Reply #8 on: May 04, 2018, 08:16:00 AM »
That was my thoughts when they said they were going to do it. I'll probably have traded it in by then.
Anyway the mechanic said MOT noise tests are lower than type approval and it would be OK. I don't think they can apply new rules retrospectively to bikes that were made before the change - otherwise a lot of Harley riders will be grounded   :029:
If I knew what I was doing I would probably stop doing it.

Offline resovoir

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Re: Engine Management Light
« Reply #9 on: May 04, 2018, 09:42:31 AM »
agreed cannot apply retrospectively, however the machine has been changed and it should be as manufactured.