Owner manual

3. CONROD BEARINGS OIL CLEARANCE INSPECTION & ADJUSTMENTS

Check the Conrods bearing inner diameter radius, and chose the bearing to suit the appropriate oil clearance

required.

OIL CLEARANCE 0.040～0.060

(mm) 0.040～0.060

0.040～0.060

0.035～0.055

0.030～0.050

4. BUSH CLEARANCE INSPECTION.

① Measure the small ends inner diameter to verify that the bush clearance is within the allowed tolerance.

BUSH CLEARANCE

(mm)

② Apply oil on the inside of the conrod small end and on the piston pin, insert the pin when cold and verify

that it can move smoothly.

EJ20/25/26

4G63

VQ35

Oil Clearance = Bearing Inner Diameter - Crank Pin Diameter

0.010～0.015

(Max 0.025)

4AG

Bush Clearance = Small End Inner Diameter - Piston Pin Diameter

5. PISTON INSTALLATION

〔For EJ〕 Assemble the Conrods with the ( ) logo marking all facing the same

direction, towards the front of the engine (the crank pulley side).

〔All Other Models〕 Keep the connecting rods marked ( ) all the logos facing the same

direction (front or rear) ,then heat the rods small end to 60-70deg Celcius, then install

the pistons.