TOHATSU MFS 60A Service Manual page 14

Service Data
Parts Name
Intake Valve Valve Clearance
Exhaust Valve
Valve Stem Outer Diameter
Valve Guide Inner Diameter
Clearance between valve guide
and valve stem
Width of contact with valve seat
Valve Spring Free Length
Cam Shaft Cam Height (Both IN and EX)
Journal Outer Diameter
Clearance between cam shaft and holder
(journal area)
Rocker Arm &
Shaft
Timing Belt
Engine Block Compression Pressure (Reference) at 600 to 700r/min
Fuel Regulator Fuel Pressure
Vapor Separator Seal Ring Wear and Damage
Float Height
Float Valve
Oil Pump Pump Body Inner Diameter
Clearance between Outer Rotor and Body
Height of Outer Rotor
Clearance between sides of rotor and body
Clearance between outer and inner rotors
2-8
Item
Rocker Arm Inner Diameter
Shaft Outer Diameter
Shaft Clearance
External Appearance
Standard Value
IN 0.20 to 0.25 mm (0.008 to 0.010 in)
EX 0.30 to 0.35 mm (0.012 to 0.014 in)
IN 5.48 mm (0.2157 in)
EX 5.46 mm (0.2150 in)
IN 5.51 mm (0.2169 in)
EX 5.51 mm (0.2169 in)
IN 0.008 to 0.040 mm (0.00031 to 0.00157 in)
EX 0.025 to 0.057 mm (0.00098 to 0.00224 in)
IN 1.4 mm (0.06 in)
EX 1.4 mm (0.06 in)
38.7 mm (1.52 in)
35.70 mm (1.4055 in)
#1: 41.92 mm (1.6504 in)
#2/3/4: 41.95 mm (1.6516 in)
#1: 0.075 to 0.110 mm (0.00295 to 0.00433 in)
#2/3/4: 0.045 to 0.080 mm (0.00177 to 0.00315 in)
18.01 mm (0.7091 in)
17.99 mm (0.7083 in)
0.006 to 0.035 mm (0.00024 to 0.00138 in)
1.5 MPa (218 psi) [15.3 kgf/cm
Atmospheric Pressure + 0.29 MPa (43 psi) [3.0 kg/cm
Float Height : 44 to 50 mm (1.732 to 1.969 in)
Float Drop (Reference) : 30.0 mm (1.181 in)
2 ] ± 10%
2 ] ± 10%
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4st 60 2019