Standard Repair Tables; Standard Dimensions And Limits Of Use - Subaru EX13 Service Manual

16. STANDARD REPAIR TABLES

"STD" in the following table is the parts dimension from the brand new engine or the spare parts.
Whereas, "Limit" shows the maximum allowance for the parts to be used on the engine.
If the measurement exceeds beyond the "Limit", the part needs to be replaced and/or repaired.

16-1 STANDARD DIMENSIONS AND LIMITS OF USE

CYLINDER HEAD
* Flatness
* Intake/exhaust valve seat
contact width
* Intake/exhaust valve guide inner diameter
* Rocker arm pin outer diameter
D
1
* Rocker arm pin support inner diameter
D
3
ITEM
Intake
Exhaust
Intake
Exhaust
D
2 Pin outer
diameter
D , D
1 2
D
4
Support
inner
diameter
D , D
3 4
- 74 -
STD
EX13
EX17 0.05
EX21 (0.002)
EX27
EX13
EX17 0.7 - 1.0
EX21 (0.0276 - 0.0394)
EX27
EX13
EX17 5.500 - 5.518
EX21 (0.2165 - 0.2172)
EX27
EX13
EX17 5.970 - 5.980
EX21 (0.235 - 0.235)
EX27
EX13
EX17 6.00 - 6.018
EX21 (0.236 - 0.237)
EX27
Unit: mm (in.)
Limit
0.1
(0.004)
- - - - - - - - - - - - - - - - - - - - - -
- - - - - - - - - - - - - - - - - - - - - -
5.9
(0.232)
6.05
(0.238)