Royal Enfield CONTINENTAL GT 650 TWIN 2018, Service Training Manual

Page: 68 / 198

ROYAL ENFIELD 650 TWIN SERVICE TRAINING MANUAL
67
SERVICE / WEAR LIMITS
Wear limits are given as new min, new max and service
limits.
New components must be within the limits specified.
Components within service limits may be reused after
careful inspection. Use of parts beyond service limit
can reduce the operating life of the component and
may affect the motorcycle performance seriously.
(All units in mm unless specified)
New Min.
New Max.
Service Limit
650 TWIN
Cylinder Head
Bottom Surface (By
thick straight edge
and feeler gauge)
0.01
A
B
Inspect and ensure 4 locations (a, b, c, d) on cylinder
head are at same level.
New Min.
New Max.
Service Limit
A
A. Cylinder Head
Top Surface
Cover Area &
B. Rocker cover
gasket seating
surface
0.01
By thick straight edge and feeler gauge
Inlet Exhaust
New Min.
New Max.
Service Limit
650 TWIN
12.000
12.018
12.000
12.018
Rocker Arms ID
(Inlet & Exhaust)
Inside micrometer
Inlet Exhaust
New Min.
New Max.
Service Limit
650 TWIN
11.973
11.984
11.973
11.984
Rockerarm
Shaft OD
Screw gauge / Micrometer
0.01
B
650 TWIN
A
B
New Min.
New Max.
Service Limit
650 TWIN
By thick straight edge and feeler gauge
Rocker Cover
Surface
0.01 0.01 0.01 0.01
A B C D
A
C
D
B
RH
LH
LH
RH
New Min.
New Max.
Service Limit
650 TWIN
Tappet adjusters
(Visual Inspection)
1
2
Inlet Exhaust
LH RH
Inspect “elephant leg” for any wear / sticky
rotation, tappet screw thread damage.
Replace if defective.
LH RH
New Min.
New Max.
Service Limit
V-Block and dial gauge
Camshaft Run Out
0.015
0.015