EBS00336 REMOVING THE CRANKSHAFT 1. Remove: crankshaft 1 Use a crankcase separating tool 2 . 2 Crankcase separating tool 90890-01135 Crankcase separator YU-01135-B 1 EBS00331 CHECKING THE OIL PUMP 1. Check: oil pump housing oil pump housing cover Cracks/wear/damage Replace. 2. Measure: inner-rotor-to-outer-rotor-tip clearance a outer-rotor-to-oil-pump-housing clearance b oil-pump-housing-to-inner-rotor-and-outer- rotor clearance c Out of specification Replace the oil pump. 1 Inner rotor 2 Outer rotor 3 Oil pump housing Inner-rotor-to-outer-rotor-tip clearance Less than 0.12 mm (0.0047 in) : 0.20 mm (0.0079 in) Outer-rotor-to-oil-pump-housing clearance 0.090 ~ 0.170 mm (0.0035 ~ 0.0067 in) :
0.24 mm (0.0094 in) Oil-pump-housing-to-inner-rotor- and-outer-rotor clearance 0.030 ~ 0.100 mm (0.0012 ~ 0.0039 in) : 0.17 mm (0.0067 in) 3. Check: oil pump operation Rough movement Repeat steps (1) and (2) or replace the defective part(s). 4 - 77 CRANKSHAFT AND OIL PUMP ENG