TOHATSU MFS25 Service Manual page 38

Service Data
Part Name
Intake Valve
Exhaust Valve
Valve Spring
Cam Shaft
Rocker Arm &
Shaft
Timing Belt
Engine Block
Throttle Body
Fuel Regulator
Vapor Separator
Oil Pump
2-12
Item
Valve Clearance
Valve Stem Outer Diameter
Valve Guide Inner Diameter
Clearance between valve
guide and valve stem
Width of contact with
valve seat
Free Length
Cam Height (Both IN and EX)
Journal Outer Diameter
Clearance between cam shaft and holder (journal area)
Rocker Arm Inner Diameter
Shaft Outer Diameter
Shaft Clearance
External Appearance
Compression Pressure (Reference) at 600 to 700r/min
Identification Mark
Throttle Bore Diameter
Fuel Pressure
Seal Ring Wear and Damage
Float Height
Float Valve
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
IN 0.15±0.02mm (0.006±0.001in)
EX 0.20±0.02mm (0.008±0.001in)
IN 5.48mm (0.2157in)
EX 5.46mm (0.2150in)
IN 5.51mm (0.2169in)
EX 5.51mm (0.2169in)
IN 0.008 to 0.040mm (0.00031 to 0.00157in)
EX 0.025 to 0.057mm (0.00098 to 0.00224in)
IN 1.0mm (0.04in)
EX 1.0mm (0.04in)
35.0mm (1.38in)
25 23.87mm (0.9398in)
30 24.28mm (0,9559in)
Pulley Side
Oil Pump Side
0.02 to 0.05mm (0.0008 to 0.0020in)
13.01mm (0.5122in)
12.99mm (0.5114in)
0.006 to 0.035mm (0.00024 to 0.00138in)
1.13MPa (164PSI) [11.5kgf/cm
25
TAB
20mm (0.79in)
Atmospheric Pressure +0.29MPa (43psi) [3.0kg/cm
Float Height : 20.0 to 23.0mm (0.787 to 0.906in)
Float Drop (Reference) 30.0mm (1.181in)
Standard Value
17.98mm (0.7079in)
15.97mm (0.6287in)
] ±10%
2
30
TAA
40mm (1.58in)
2 ] ±10%
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25/30 2006