Subaru Robin EX13 User Manual

Page 35

- 32 -

(b) Rotate the crankshaft down to the bottom dead center

and lightly tap the piston head until the large end of

the connecting rod touches the crank pin.

marks and fit the clinch portions firmly together.

Fig. 5-37

ALIGNMENT
MARKS

(d) Check for free movement of the connecting rod by

turning the crankshaft slowly.

(6) INTAKE AND EXHAUST VALVES

Take the following points into account when

mounting the intake and exhaust valves on the

cylinder head.

NOTE 1: Replace the valve with a new one if it shows

signs of wear. (Refer to the “STANDARD

REPAIR TABLES” on page 78 and 79.)

NOTE 2: Carefully scrape off any carbon deposits

on the combustion chamber. Apply oil to

the valve stems before mounting the intake

and exhaust valves. Insert the valves in the

cylinder head and place it on a level

workbench. Next, mount the valve springs,

the spring retainers and collet valves.

(Mount the stem seal on the intake valve

guide.)

Fig. 5-38a

EXHAUST VALVE

INTAKE VALVE

CYLINDER HEAD

VALVE SPRING

COLLET VALVE

SPRING RETAINER

STEM SEAL

Fig.5-38b

Tightening torque

EX13,17,21

EX27

0 - 15.0 N m

(130 - 150 kgf cm)

(9.4 - 10.8 ft

lb.)

17.0 - 20.0 N m

(170 - 200 kgf cm)

(

12.3

- 1

lb.)

This manual is related to the following products:

EX17 EX21 EX27 SP170