NHTSA ID Number: 11028991
Manufacturer Communication Number: MC110125
TSB/Document Date: 2026-02-24
Summary
After a quality inspection it was found that due to improper machining, the right-side chain tensioner screw plug doesn’t meet the specifications over the service life of the motorcycle. As a result, over increased mileage accrued noise and engine damage may occur.
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TSB/Document ID: MC110125
Replacement Service Bulletin Number:
MFR Communication Date: 2026-02-18
MFR Internal Campaign ID/Software Version: 0011600000
Communication Type: Service Campaign
NHTSA Components: ENGINE
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
37
Installing left radiator cowl
with GS Trophy OE (09T2)
Secure holder (1) in exhaust duct (2) (arrow).
Align radiator cowl (2) and install screws (1).
Order No.
21
38
Installing top front-wheel cover
Secure front-wheel cover (2) in hooks (arrows) and clip
clamps (3).
Install screws (1).
39
Installing rider’s seat
Attach rider's seat (1).
Insert rider’s seat (1) in spacer buffer (2).
Press down rider's seat (1) at the rear.
The front seat engages with an audible click.
With comfort rider's seat OE (077C)
or
with low comfort rider's seat OE (077D)
or
with high comfort rider's seat OE (077E)
Connect connector (1) for seat heating.
Attach rider's seat (2).
Insert rider’s seat (2) in spacer buffer (3).
Press down rider's seat (2) at the rear.
The front seat engages with an audible click.
40
Final inspection of completed work
Ensure the following:
Order No.
22
The objective of the completed work was achieved.
All operating fluids have been filled in and the fluids are
at the correct fill level.
All loosened screw connections have been retightened
correctly.
The fuel system is free of leaks.
The lighting and signal system is functional and the
vehicle is roadworthy.
The brake pads of the front and rear wheel brakes are
resting against the brake disks.
Function test, engine start suppression
Check
Set kill switch to centred position.
Select neutral.
Switch on the ignition.
Neutral indicator light "N" lights up.
Select a gear.
Neutral indicator light "N" goes out.
Press the starter button.
Starter does not operate.
Extend the side stand.
Pull the clutch lever.
Press the starter button.
Starter does not operate.
Retract the side stand.
Press the starter button without releasing the clutch
lever.
Starter operates.
Result
Not all test steps completed successfully.
Measure
Check corresponding components with BMW Motorrad
diagnosis system.
with automated shift assistant OE (022A)
Check
Set kill switch to centred position.
Switch on the ignition.
Neutral position "N" or roll-away protection "P" lights
up.
Neutral position "N" lights up.
Press the starter button.
Starter operates.
Roll-away protection "P" lights up.
Press the starter button.
Starter motor does not run.
Actuate brake and press starter motor button.
Starter operates.
Engine running, gear is engaged.
Extend the side stand.
Order No.
23
Engine goes out, roll-away protection "P" lights up.
Engine running, neutral position "N" lights up.
Extend the side stand.
Gear change not possible.
Result
Not all test steps completed successfully.
Measure
Check corresponding components with BMW Motorrad
diagnosis system.
Order No.
1
0M41 - R 1300 RT
11 31 097 Removing/installing or replacing timing chain tensioner, right cylinder
Additional work: 46 52 510 Mounting and dismounting the rear-wheel stand with special tools (for motorbikes
without a centre stand)
1
Removing rider’s seat
Actuate seat lock (1).
Disengage rider's seat (2) from spacer buffer (3) and
remove.
With comfort rider's seat OE (077C)
or
with low comfort rider's seat OE (077D)
or
with high comfort rider's seat OE (077E)
Actuate seat lock (1).
Disengage rider's seat (2) from spacer buffer (3) and
remove.
Disconnect connector (4) for seat heating.
Do not twist or put strain on mating connector!
Order No.
2
2
Removing centre fuel-tank cover
Remove screws (1).
Remove screw (2).
Loosen tank cover (3) from clip clamps.
Disconnecting connectors (1) and (2)
Remove tank covers (3).
3
Removing right rider fairing side panel
Remove screw (1).
Loosen fairing side panel (2) from clip clamps (3) and
remove.
Order No.
3
4
Removing bottom right tank cover
Remove screw (1).
Loosen cover (2) from hooks (arrows) and remove.
5
Removing right fuel-tank cover
with audio system OE (0268)
or
With Audio Pro OE audio system (064C)
Remove the cable straps (arrows).
Loosen connector (1) and disconnect.
Remove screws (1).
Order No.
4
Remove screw (1).
Loosen tank covers (2) from clip clamps (3) and remove
them.
6
Removing fairing side panel with right exhaust
duct
Remove expanding rivet (1).
Remove screw (1).
Loosen trim (2) from clip clamp (3) and remove, while
paying attention to hook (arrow).
Order No.
5
Remove expanding rivet (1).
Remove screws (2) and (3).
Remove exhaust duct (4).
7
Removing inner right exhaust duct
Remove screws (1).
Remove cable strap (arrow).
Remove exhaust duct (2) and loosen connector (3) for
the oxygen sensor.
8
Removing right injection valve cover
Remove screws (1).
Remove injection valve cover (2).
Order No.
6
9
Removing right injection valve
Disconnect connector (1) for injection valve.
Remove screw (2).
Loosen injection valve (3).
10
Disengaging right throttle-valve assembly
Open clamps (1) and (2) using pliers (13 1 512).
Disconnect connector (1).
Turn throttle valve (2) clockwise outwards until the timing chain tensioner is accessible.
Order No.
7
11
Replacing right timing-chain tensioner
Remove timing chain tensioner (1) with piston (2) and
sealing ring (3).
Install new timing chain tensioner (1) with piston (2)
and new sealing ring (3).
Tightening torques
Screw plug for chain tensioner to cylinder
M18 x 1.5
32 Nm
12
Securing right throttle-valve assembly
Connect connector (1).
Turn throttle valve (2) to mounting orientation.
Pay attention to the edge in the rubber sleeve!
Install clamps (1) and (2) using pliers (13 1 512).
Order No.
8
13
Securing right injection valve
Check O-ring (1) for damage; replace O-ring if swollen
or damaged.
Install injection valve (2).
Install screw (3).
Connect connector (4) for injection valve.
14
Installing right injection-valve cover
Install injection valve cover (2).
Install screws (1).
15
Installing inner right exhaust duct
Align exhaust duct (2) and secure connector (3) for oxygen sensor.
Install screws (1).
Install cable strap (arrow).
Order No.
9
16
Installing fairing side panel with right exhaust
duct
Position exhaust duct (4).
Install screws (2) and (3).
Install expanding rivet (1).
Align exhaust duct (2), while paying attention to
hook (arrow).
Secure exhaust duct (2) in clip clamp (3).
Install screw (1).
Install expanding rivet (1).
Order No.
10
17
Installing right fuel-tank cover
Secure tank covers (2) in clip clamps (3).
Install screw (1).
Install screws (1).
with audio system OE (0268)
or
With Audio Pro OE audio system (064C)
Connect connector (1) and secure.
Install cable strap (arrows).
Order No.
11
18
Installing bottom right tank cover
Secure cover (2) in hook (arrows).
Install screw (1).
19
Installing right rider fairing side panel
Position fairing side panel (2) and secure in clip
clamps (3).
Install screw (1).
Tightening torques
Fairing side panel, rider
M5 x 14, Renew screw
2 Nm
Thread-locking compound (micro-encapsulated)
20
Installing centre tank cover
Position tank cover (3).
Connect connector (1) and (2).
Order No.
12
Secure tank cover (3) in clip clamps.
Install screws (2) and (2).
21
Installing rider’s seat
Insert rider's seat (1) in rubber buffer (2).
Press down rider's seat (1) at the rear.
The front seat engages with an audible click.
With comfort rider's seat OE (077C)
or
with low comfort rider's seat OE (077D)
or
with high comfort rider's seat OE (077E)
Connect connector (1) for seat heating.
Attach rider's seat (2).
Insert rider’s seat (2) in spacer buffer (3).
Press down rider's seat (2) at the rear.
The front seat engages with an audible click.
22
Final inspection of completed work
Ensure the following:
The objective of the completed work was achieved.
All operating fluids have been filled in and the fluids are
at the correct fill level.
Order No.
13
All loosened screw connections have been retightened
correctly.
The fuel system is free of leaks.
The lighting and signal system is functional and the
vehicle is roadworthy.
The brake pads of the front and rear wheel brakes are
resting against the brake disks.
Function test, engine start suppression
Check
Set kill switch to centred position.
Select neutral.
Switch on the ignition.
Neutral indicator light "N" lights up.
Select a gear.
Neutral indicator light "N" goes out.
Press the starter button.
Starter does not operate.
Extend the side stand.
Pull the clutch lever.
Press the starter button.
Starter does not operate.
Retract the side stand.
Press the starter button without releasing the clutch
lever.
Starter operates.
Result
Not all test steps completed successfully.
Measure
Check corresponding components with BMW Motorrad
diagnosis system.
with automated shift assistant OE (022A)
Check
Set kill switch to centred position.
Switch on the ignition.
Neutral position "N" or roll-away protection "P" lights
up.
Neutral position "N" lights up.
Press the starter button.
Starter operates.
Roll-away protection "P" lights up.
Press the starter button.
Starter motor does not run.
Actuate brake and press starter motor button.
Starter operates.
Engine running, gear is engaged.
Extend the side stand.
Engine goes out, roll-away protection "P" lights up.
Engine running, neutral position "N" lights up.
Extend the side stand.
Order No.
14
Gear change not possible.
Result
Not all test steps completed successfully.
Measure
Check corresponding components with BMW Motorrad
diagnosis system.
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