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not for sure, but doubt it. gen 4 has rod/crank centerline offset 2mm to reduce loading on ex. side reducing friction.
 

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Discussion Starter #3
I found this while researching the 2mm offset.

Also, while the pistons have minimal pin offset for nominal drag, the cylinder block has been machined with 2mm of frontward axis, this offset measured forward from the centerline of the crankshaft's con rods. Adopting this offset greatly reduces thrust loading on the pistons, with Kawasaki's reduction numbers being quite telling: 18% less at 5,000rpm, 21% at 10,000, and 9% less at 13,000.
If it is 2mm forward of the center line of the crank how would this effect compatibility?

Thanks
 

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depends on if and how kaw compensated rod length for wristpin and rod journal offset. if rods are same length, moving them 2mm back to preious gen centerline would affect deck height to a point not workable. with altered crank, altered wristpin location, different pistons, and gen 4 head deck at different angle, i would forsee some problems making it work. just a opinion and pure benchracing. if looking for stronger budget rod, shot peening and heat treating good option often overlooked.
 

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Discussion Starter #5
Anyone else have some input on this subject? Gen 4 rods would be a great substitute for the more expense H Beam rods if they are compatible??
 

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ebay 1 rod and measure it up. questions will be answered.
 
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