TOHATSU MFS 2 Service Manual

5-24
Power Unit
4st 2/2.5/3.5 2007
b
a
1
23) Inspection Connecting Rod Small
End Inner Diameter
1. Measure connecting rod small end inner diameter a.
Replace if it is over specified value.
Connecting Rod Small End Inner Diameter a :
Standard value
14.01 mm (0.5516 in)
Functional Limit :
14.04 mm (0.5528 in)
24) Inspection of Connecting Rod Big
End Inner Diameter
1. Tighten connecting rod cap bolts to specified torque, and
measure connecting rod big end inner diameter b.
Replace if it is over specified value.
Connecting Rod Big End Inner Diameter b :
Standard value
20.010 mm (0.78780 in)
Functional Limit :
20.015 mm (0.78799 in)
a
2. Measure piston pin boss inner diameter a.
3. Obtain clearance between piston pin and pin boss.
Replace piston pin or piston if the clearance is over
specified value.
22) Inspection of Piston Pin
1. Measure piston pin outer diameter. Replace if it is less
than specified value.
Clearance between Piston Pin and Pin Hole :
0.002 - 0.012 mm (0.00008 - 0.00047 in)
Functional Limit :
0.040 mm (0.00157 in)
Piston Pin Outer Diameter : Standard value
14.00 mm (0.5512in)
Functional Limit :
13.97 mm (0.5500 in)
Connecting Rod Bolts 1 :
1st
tightening torque : 5 N · m (4 lb · ft) [0.5 kgf · m]
2nd tightening torque : 10 N · m (7 lb · ft) [1.0 kgf · m]
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TOHATSU MFS 2 Specifications

General

Brand	TOHATSU
Model	MFS 2
Category	Engine
Language	English