NHTSA ID Number: 10199081
Manufacturer Communication Number: G_210722_RC_EN
TSB/Document Date: 2021-07-09
Summary
As part of the ongoing, stringent quality control activities of the components installed on our vehicles, the continuous search for new and better technical solutions and attention to customers, we hereby announce that an intervention relating to the replacement of the intake valves, on a specific lot of vehicles of the model in question, must be carried out. If, on the other hand, the valve stem is damaged, the entire head will need to be replaced.
TECHNICAL COMMUNICATION G_210722_RC_EN
25/06/2021
Model: Moto Guzzi
V85 TT Euro 5
Subject: Intake valve – Technical update
Campaign Code: PG2ZZQ2103_KIT_PGA
Dear Dealer / Service Center,
As part of the ongoing, stringent quality control activities of the components installed on our
vehicles, the continuous search for new and better technical solutions and attention to
customers, we hereby announce that an intervention relating to the replacement of the intake
valves, on a specific lot of vehicles of the model in question, must be carried out.
If, on the other hand, the valve stem is damaged, the entire head will need to be replaced.
Please determine which vehicles in your stock or sold by you require this update, and:
Update all vehicles in stock before sale.
update vehicles that have already been sold at the first available opportunity.
This issue will be managed as usual via a dedicated section of the PWM warranty management
software system.
The list of frame numbers involved in this update is viewable in the Campaigns / Campaign
Reports section of the PWM system.
You are kindly requested to identify the vehicles in your stock that require the aforementioned
update, and implement it BEFORE they are sold to the end customer, or, if the vehicles are
already in circulation, at the first available opportunity.
Page 1 of 8
PROCEDURE FOR MANAGING CAMPAIGN:
From the main menu, select the option “campaigns”, then select the option “Enter
campaigns” from the sub-menu.
Enter the frame number subject to the recall campaign in the window opened.
Select “search” to open a window with the available coupon:
Coupon 1 Intake valves replacement: service coupon which foresees the
replacement of the intake valve and the reimbursement of the labor employed
Coupon 2 Replacement of the complete RIGHT head: service coupon which
foresees the replacement of the complete head and the reimbursement of the labor
employed
Coupon 3 Replacement of the complete LEFT head: service coupon which
foresees the replacement of the complete head and the reimbursement of the labor
employed
Coupon 4 Replacement of the complete RIGHT and LEFT head: service coupon
which foresees the replacement of the complete heads and the reimbursement of the
labor employed
IMPORTANT
By selecting Service Coupon 2 or Service Coupon 3, the intake valve of the head
that has not been replaced must also be replaced.
Select the coupon, compile the “Km” field, and then save the procedure. Please note
that to complete the operation and receive a refund, the coupon must be declared
"completed" (from the PWM status management) within 6 months from the day of entry.
Page 2 of 8
Below is an operational diagram for the management of the operations
The vehicle is involved
Inspection of the inlet valves according
to the operating mode
Operation defined select the
corresponding
coupon
Coupon 1 Intake
valves replacement
Coupon 2
Coupon 3
Coupon 4
Replacement of the
complete RIGHT head
Replacement of the
complete LEFT head
Replacement of the
RIGHT and LEFT head
Always and in any case replace the intake
valve of the head that has not been
replaced
Operation
concluded
Page 3 of 8
LABOUR AND SPARE PARTS:
Coupon 1 Intake valves replacement:
o Minutes of labour envisaged for procedure: 325’
o Spare part code: See table 1
Coupon 2 Replacement of the complete RIGHT head:
o Minutes of labour envisaged for procedure: 265’
o Spare part code: See table 2
Coupon 3 Replacement of the complete LEFT head:
o Minutes of labour envisaged for procedure: 265’
o Spare part code: See table 3
Coupon 4 Replacement of the RIGHT and LEFT head
o Minutes of labour envisaged for procedure: 225’
o Spare part code: See table 4
The head gaskets needed to complete the update will not be included with the parts that
you receive as indicated in red in the tables below; Please proceed ordering the correct
gasket needed for that engine as a warranty claim.
SPARE PARTS NO.
TABLE 1
DESCRIPTION
Convex head screw with torx impression
Exhaust gasket
P/N
1A015041
852090
QTY
4
2
Intake manifold gasket
head cover gasket
Damper drift
Stud bolt sealing ring
O-Ring 2,62x9.19 oil passage
Cylinder/head gasket Th. 0.6 mm
Cylinder/head gasket Th. 0.8 mm (alternative)
Cylinder/head gasket Th. 1 mm (alternative)
Valve sealing ring
Intake valve
1A009167
2A000565
1A006716
1A006861
2A000579
1A004660
1A004661
1A004662
1A003452
1A015607R
2
2
6
2
4
2
2
2
2
2
Page 4 of 8
DESCRIPTION
P/N
QTY
1A015041
4
852090
2
Intake manifold gasket
1A009167
2
head cover gasket
2A000565
2
Damper drift
1A006716
6
Stud bolt sealing ring
1A006861
2
2A000579
4
Cylinder/head gasket Th. 0.6 mm
1A004660
2
Cylinder/head gasket Th. 0.8 mm (alternative)
1A004661
2
Cylinder/head gasket Th. 1 mm (alternative)
1A004662
2
Right head
1A0151195
1
Intake valve
1A015607R
1
Valve sealing ring
1A003452
1
P/N
QTY
1A015041
4
852090
2
Intake manifold gasket
1A009167
2
head cover gasket
2A000565
2
Damper drift
1A006716
6
Stud bolt sealing ring
1A006861
2
2A000579
4
Cylinder/head gasket Th. 0.6 mm
1A004660
2
Cylinder/head gasket Th. 0.8 mm (alternative)
1A004661
2
Cylinder/head gasket Th. 1 mm (alternative)
1A004662
2
Left head
1A0177255
1
Intake valve
1A015607R
1
Valve sealing ring
1A003452
1
Convex head screw with torx impression
Exhaust gasket
TABLE 3
DESCRIPTION
Convex head screw with torx impression
Exhaust gasket
Page 5 of 8
TABLE 4
DESCRIPTION
P/N
QTY
1A015041
4
852090
2
Intake manifold gasket
1A009167
2
head cover gasket
2A000565
2
Damper drift
1A006716
6
Stud bolt sealing ring
1A006861
2
2A000579
4
Cylinder/head gasket Th. 0.6 mm
1A004660
2
Cylinder/head gasket Th. 0.8 mm (alternative)
1A004661
2
Cylinder/head gasket Th. 1 mm (alternative)
1A004662
2
Left head
1A0177255
1
Right head
1A0151195
1
Convex head screw with torx impression
Exhaust gasket
PROCEDURE FOR MANAGING CAMPAIGN PER HEAD
Disassemble the head, release the intake valve and remove it from the head.
Check for any signs of incipient seizure and adhesion by moving the valve without load
inside the respective valve guide (see photos below).
Only in the event that there are possible signs on the stem and/or traces of incipient
seizure, replace the entire head in question.
If, on the other hand, none of the above aspects have occurred, replace the intake
valve only, without replacing the head.
Note: In the event that other components of the engine, which is part of the lot in question, are
damaged, contact your Technical Representative to define the actions.
For any other information or general operating details, as well as for the tightening torques of
the individual spare parts, refer to the workshop manual:
Moto Guzzi
Engine V85 E4-E5 (2019-).
Page 6 of 8
PHOTOS RELATIVE TO THE VALVE SEIZURE
By way of example, some photos are shown below in order to unequivocally identify possible
incipient seizure of the valve stem in its seat, first and second photos, while in the third photo
the adhesion, without load, of the valve stem in its seat is appreciable.
Page 7 of 8
Please contact your Technical Support Representative for any questions or assistance.
Best regards,
Piaggio
& C. SpA
Business Unit Aftersales
Operations & Technical Service
Page 8 of 8
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TSB/Document ID: G_210722_RC_EN
Replacement Service Bulletin Number:
MFR Communication Date: 2021-06-25
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
MFR Component System:
MFR Component Subsystem:
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