Weird rattle/scratching and high pitch noise from engine

[Grant1Shepherd]

[quote author=Grant1Shepherd link=topic=24812.msg289679#msg289679 date=1546043933]
[quote author=darrsi link=topic=24812.msg289666#msg289666 date=1546036883]
[quote author=bandit link=topic=24812.msg289658#msg289658 date=1546032043]
If the speedo was working fine before today before the work was done then they have either put it back wrong or snapped the lugs off the rota on reassembly.

That did cross my mind as well, it may well have been fine beforehand, but you can't discount the chance that it may have been misaligned when being put back together.
Only one way to find out though.....
[/quote]


Nope the the rotor sensor is fine I was there to witness the work happen, it had loads of grease in there as well, the front wheel bearing he changed has stopped the annoying noise from the video however my speedo is now just completely useless, I went out for a ride tonight and it is just jumping all over the place, the mechanic said the next thing to change would be the speed cable but I'm wary because clearly changing the rotor sensor did nothing.
[/quote]


You can't really 'witness' it being put back right, only by doing it yourself can you 'feel' that it's been done correctly.
Anyone who has had the pleasure of doing this will know exactly what i'm on about.
Don't 100% rule out broken lugs, if it worked okay before but doesn't now then that makes it the prime suspect.
[/quote]


When the noise started is when the speedo started to play up a little (once every 10 minutes maybe) when it went into the garage on Friday he took the wheel off and the rotor sensor still was in good condition and covered in loads of grease however the front wheel bearing had a lot of play, since replacing the bearing and putting the wheel back on the bike stopped making the noise but now my speedo is all over the place all of the time, it jumps from the speed I'm doing to 0mph and it does this over and over and over again.


Surely it has to be something else as the speedo started to play up before the bearing was replaced when I saw the rotor sensor, the only problem I'm having is I can't find whatever speedo wire everyone is on about anywhere for sale. If I can find one I will buy one and probably buy another rotor sensor just to be on the safe side.