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Discussion Starter #1
Hey Guys,

I've been trying to find out the diameter of the big and small end of the con rod. All I have been able to find out is that it is 134mm long. I suspect that it would be compatible with the other non-vtec D15 series engines but I am not sure.

Does anyone have the exact measurements of the D15Z4?> there is almost no information about this engine besides the wiki entry.

The same goes for the piston. I know the diameter of the piston but that's about it. I have been searching for information for the past few months and have come up with nothing concrete and some of the pages that I had bookmarked have been removed.

Please guys any info you have on the OEM rods and pistons would be greatly appreciated.

08 H-D Ultra Classic
987 Posts
Below is the info I found I would say the rods are the same as any other D15


Displacement: 1493CC 91.1CU
Bore: 75mm 3in
Stroke: 84.5mm 3.33in
Compression: 9.4:1
Stroke/Bore Ratio: 1.12
Rod/Stroke Ratio: 1.62
Rod Length: 137mm 5.4in
Deck Height 207mm
Valvetrain: SOHC 16 Valve
Camgear: 38 Teeth
Fuel: PGMFi Multi-Point Injection OBD2a
Power: 92HP 68.6kw 5500RPM
Torque: 98lb.ft 133Nm 4500RPM

Info From; HONDAtabase Android
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