TOHATSU MFS 25D Service Manual page 48

Service Data
Description
Cylinder Block
Connecting
Rod
Crankshaft
Cam Shaft
Timing Belt
Oil Pump
Fuel Rail
Fuel Regulator
Vapor Separator
2-18
Item
Cylinder Liner Inner Diameter
Use a cylinder gauge etc. to measure the
inner diameter
Seizure, Cylinder Liner Damage or Wear
Distortion or Damage on Mating Surface
Deposition in Water Jacket
Small End Inner Diameter
Big End Oil Clearance
Big End Side Clearance
Center Deflection (measure with support of
journal at both ends)
Main Journal Outer Diameter
Crank pin outer diameter
Main Journal Oil Clearance
Main Journal Thrust Clearance
Cam Height
Bearing Outer Diameter
Cam Shaft Runout
External Appearance
Housing Maximum Diameter
Rotor Minimum Diameter
Housing Maximum Size
Rotor Minimum Size
Pump Body Inner Diameter
(Maximum Diameter)
Clearance between Outer Rotor and Body
(Maximum Clearance)
Outer Rotor Height (Minimum Height)
Clearance between Sides of Rotor and Body
(Maximum Clearance)
Clearance between Outer and Inner Rotors
(Maximum Clearance)
O-ring Wear and Damage
Fuel Pressure
Sealing Ring Wear and Damage
Float
Standard Value
-
Distortion: 0.05 mm (0.002 in) or less
-
0.015 - 0.041 mm (0.0006 - 0.0016 in)
0.10 - 0.25 mm (0.0039 - 0.0098 in)
Both sides and the center section must be less than
0.03 mm (0.0012 in).
0.012 - 0.044 mm (0.0005 - 0.0017 in)
0.05 - 0.15 mm (0.0020 - 0.0059 in)
IN: 23.63 mm (0.9303 in)
EX: 23.80 mm (0.9370 in)
Pulley Side 17.925 - 17.940 mm (0.7057 - 0.7063 in)
#1 - #2 32.91 - 32.92 mm (1.2957 - 1.2961 in)
Oil Pump Side 15.925 - 15.940 mm (0.6270 - 0.6276 in)
-
-
40.74 mm (1.6039 in)
40.53 mm (1.5957 in)
15.07 mm (0.5933 in)
14.96 mm (0.5890 in)
40.74 mm (1.6039 in)
0.21 mm (0.0083 in)
14.96 mm (0.5890 in)
0.11 mm (0.0043 in)
0.16 mm (0.0063 in)
-
250 kPa
-
-
4st 25/30 2022