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07-06-2020, 05:18 PM | #1 |
Guest
Posts: n/a
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Tapping Noise after warming up
Hi guys,
Just bought a 2016 Monster 821 with very low mileage. Just noticed a strange tapping noise which only happens after the bike has warmed up. Reminds me very much of the noise my old bmw injectors used to make. Is this normal or should I be concerned? Thanks |
08-06-2020, 07:44 AM | #2 |
Registered User
Join Date: Jun 2015
Location: Livingston
Bike: M1100evo
Posts: 863
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My Valves tap a little...The mechanic i use say's it's fine the old 'loud valves save lives' Saying.
However mines is an air cooled 1100Evo. I wouldn't expect the same or at least not noticeable from a water cooled Monster. |
08-06-2020, 08:23 AM | #3 |
Too much time on my hands member
Join Date: Apr 2003
Location: Stonehouse, Glos
Bike: Multiple Monsters
Posts: 2,080
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I would say most likely valve clearances out ...
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08-06-2020, 10:00 AM | #4 |
Guest
Posts: n/a
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There is only 400 miles on the bike, could they go out of spec so quickly?
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08-06-2020, 10:27 AM | #5 |
Transmaniacon MOC
Join Date: Sep 2013
Location: Sutton In Ashfield
Bike: Multiple Monsters
Posts: 6,041
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If they were out of spec it would tap all the time, wouldn't it? Not just when warmed up.
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Roast Beef Monster! Termignoni and Bucci - Italian for pipe and slippers! S4 Fogarty, S4R 07T, 748, Series 1 Mirage |
08-06-2020, 05:43 PM | #6 |
Too much time on my hands member
Join Date: Jun 2007
Location: Forest Of Dean
Bike: S2r
Posts: 3,201
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Oh deary deary me it sounds like your motor is going to self destruct any second!! Big suck in of air... Tell you what I'll make you a reasonable offer for it
Really doesn't sound like something in the valve train,you'd expect it to get quieter as it warmed up and the clearances close up.. So it could well be the injectors unless it's something in the heads. Hard to tell as I have little to compare with. My air cooled is an S2R, it would be hard to hear much in the way of subtle sounds as it's so noisy to start with. Very err 'mechanical' overlaid with termis. My water cooled 748R is equally 'loud', again tough to hear too much over the termis and clutch. Try and localise it a bit more, the old long screwdriver resting on your ear is helpful.
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"The final measure of any rider's skill is the inverse ratio of his preferred Traveling Speed to the number of bad scars on his body." Song of the sausage creature |
17-06-2020, 08:22 AM | #7 |
Guest
Posts: n/a
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Update on this. Brought it up to my local dealer who took it for a ride. He personally has owned Ducatis. Says the noise is normal. So just me being hyper sensitive :-)
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17-06-2020, 08:35 AM | #8 |
Too much time on my hands member
Join Date: Jun 2007
Location: Forest Of Dean
Bike: S2r
Posts: 3,201
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Difficult to judge these things isn't it, the more you listen for it the more you hear it and suddenly it's got to be really loud.
Even more difficult if you listen to the majority of Japanese bikes which are completely different in terms of engine noise.
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"The final measure of any rider's skill is the inverse ratio of his preferred Traveling Speed to the number of bad scars on his body." Song of the sausage creature |
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