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INSTALLATION OF OEM CONNECTING RODS

* Remove all preserve on rods and clean with kerosene.

* Remove all cap screws and record every bolt length for stretch reference. Idenfication mark should be placed on cap and rod at each set.

* Blow all male and female thread with clean air and brush away any metal debris & machine residues. Which may cause gouging and seizing on threads.

* Take measurement and ensure correct oil clearance for:

Rod bearing 0.002-0.003".

Pin and Small end;

Small end has 0.0009-0.0015" clearance for floating type.

Small end is 0.0006-0.0009”
smaller than pin for press fit.

Side clearance 0.015-0.025".

Make sure to use narrow bearing for a larger journal radius.

* Apply moly lube on thread and torque as:

8mm Ø 8740 bolt & nut 30-35 FT-LBS with elongation0.0055-0.0070”.

9mm Ø 8740 bolt & nut 40-45 FT-LBS with elongation 0055-0.0065”.

5/16”Ø 8740 bolt & nut 30-35 FT-LBS with elongation 0060-0.0070”

3/8” Ø 8740 bolt & nut 45-55 FT-LBS with elongation 0050-0.0060”

7/16” Ø 8740 bolt & nut 65-75 FT-LBS with elongation0.0065-0.0075”

Plus 10 FT-LBS for torque with motor oil.

* Ensure the original pair is installed together. Cap and rod are honed together in factory. Mixing pair may change shape of inner bore and damage to journal.

* Apply plenty oil on all bearings and hand crank engine to ensure the rod is clear from piston skirt, camshaft, and engine block.


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