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2020 BMW r1250r - Pollux trim
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Discussion Starter · #1 ·
Hi everyone,
New (very happy) owner of a 2020 r1250r in Pollux finish here... Rode it all around the Chesapeake bay and I really love it so far. Previous bikes : Kawasaki z7, 1200 ZRX and Ducati 1200S Multistrada.

I noticed a slight tikcing noise that apprears at idle as the bike warms up. Not a huge deal but after digging the internet, some owners report a "too short cam chain tensioner"
(start at 5:17s)

Is this correct? Should I replace that tensioner ASAP? or is it just noise without real consequence?


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Mark – Moderator 2015 R1200R-LC Exclusive
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The bike will still be under warranty so you could check with your dealer, who will most likely say it isn’t abnormal.
There’s another thread here where the owner has shimmed the tensioner spring - cheap and effective.
 

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Mark – Moderator 2015 R1200R-LC Exclusive
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Interestingly the online parts catalogues are yet to show a superseding part number.
 

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2020 BMW r1250r - Pollux trim
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Discussion Starter · #4 ·
Yeah the dealer is like "dont worry about it"... but after reading ADV rider forum it looks like this is not an unusual concern. So now I'm just trying to figure out if a new OEM tensioner will actually fix it or it has to be a DIY 5mm shim ...?
 

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2020 R1250R in Pollux Metallic Matte
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For what it's worth, I have the same bike, same color, same everything (except for that Akra, which I still need to get), including (possibly...my first boxer engine, sometimes I think it's normal, sometimes I think it's a bit off) that ticking in the left cylinder. The bike runs great, and has for three riding seasons, so I haven't worried about it. That said, I'm having an all-bike warranty inspection done in a few weeks (since my warranty expires in April or May of next year), so I may have some more information regarding that issue soon.
 

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My '16 got a lot quieter when I adjusted the lash in all of the valves to the lower 50% of the factory recommended range.
 
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2020 R1250R HP w/sport & 2019 R1250GS HP Rallye & 2019 R nineT SCR
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Jury is still out if BMW/dealer will replace left side tensioner on early 1250s with updated/longer version. I just DIY'd on my MY19 GS and will probably do the same for my MY20 R @$140, it's a simple easy fix, especially if changing oil. And ounce of prevention.
Left side cam chain tensioner update (#11317108586)

And @sebintheworld, as you have engine guards, you can also easily do the same as me, on my GS and just lay the bike on its right side to swap out the tensioner without losing more than a cap full of oil. Just need 17mm and 19mm wrench for old & new tensioner, respectively. As that's how BMW also designed the tensioner so owners/mechanics would know old vs updated variant had been installed on a bike without removal for visual inspection/comparison.
 

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2020 BMW r1250r - Pollux trim
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Discussion Starter · #8 ·
Jury is still out if BMW/dealer will replace left side tensioner on early 1250s with updated/longer version. I just DIY'd on my MY19 GS and will probably do the same for my MY20 R @$140, it's a simple easy fix, especially if changing oil. And ounce of prevention.
Left side cam chain tensioner update (#11317108586)

And @sebintheworld, as you have engine guards, you can also easily do the same as me, on my GS and just lay the bike on its right side to swap out the tensioner without losing more than a cap full of oil. Just need 17mm and 19mm wrench for old & new tensioner, respectively. As that's how BMW also designed the tensioner so owners/mechanics would know old vs updated variant had been installed on a bike without removal for visual inspection/comparison.
WOW! Thanks JR that's super helpful!
 

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Jury is still out if BMW/dealer will replace left side tensioner on early 1250s with updated/longer version. ...
The bike will still be under warranty so you could check with your dealer, who will most likely say it isn’t abnormal. ...
FYI Sharing my own experience:
After I had read this thread (and verified I had 17mm ones) I have asked the dealer (GA, USA) to replace mine (as still under warranty) and was told it was not covered by warranty and that there was no recall order to do that (I think he said the only model which was covered/had a recall for that was the s1000rr)

P.s./FYI I have updated the Does your R1250 flapper flap from-side-to-side upon power-up ? OP after a visit to the dealership for this issue - see section EDIT 2 2022-09-25
 

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2020 R1250R Black Storm
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Hi everyone,
New (very happy) owner of a 2020 r1250r in Pollux finish here... Rode it all around the Chesapeake bay and I really love it so far. Previous bikes : Kawasaki z7, 1200 ZRX and Ducati 1200S Multistrada.

I noticed a slight tikcing noise that apprears at idle as the bike warms up. Not a huge deal but after digging the internet, some owners report a "too short cam chain tensioner"
(start at 5:17s)

Is this correct? Should I replace that tensioner ASAP? or is it just noise without real consequence?


View attachment 116910 View attachment 116911

View attachment 116912
Hi everyone,
New (very happy) owner of a 2020 r1250r in Pollux finish here... Rode it all around the Chesapeake bay and I really love it so far. Previous bikes : Kawasaki z7, 1200 ZRX and Ducati 1200S Multistrada.

I noticed a slight tikcing noise that apprears at idle as the bike warms up. Not a huge deal but after digging the internet, some owners report a "too short cam chain tensioner"
(start at 5:17s)

Is this correct? Should I replace that tensioner ASAP? or is it just noise without real consequence?


View attachment 116910 View attachment 116911

View attachment 116912
Hi, last week i the local BMW dealer finaly returned my R1250R after "surgery" that involved one new cam axel and all of the rockerarms and also valve adjustment included new shims😤, this tok 3 weeks! The problem was bad alloy in the rocker arms.
I also asked them to change the cam timing chain tensioner, because of "ticking" from the leftside Cylinder.
The ticking noise is now gone🤷🏼‍♂️, i guesse because a combination of all the above fixed the issue(?)
All was covered by the warrenty (ofcourse!!)
 

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2020 BMW r1250r - Pollux trim
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Discussion Starter · #11 ·
Hi, last week i the local BMW dealer finaly returned my R1250R after "surgery" that involved one new cam axel and all of the rockerarms and also valve adjustment included new shims😤, this tok 3 weeks! The problem was bad alloy in the rocker arms.
I also asked them to change the cam timing chain tensioner, because of "ticking" from the leftside Cylinder.
The ticking noise is now gone🤷🏼‍♂️, i guesse because a combination of all the above fixed the issue(?)
All was covered by the warrenty (ofcourse!!)
damn! glad this was covered by the warranty!
 
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