Piston Weights

zoran zv30 at sbcglobal.net
Mon Mar 10 19:41:20 PDT 2008

that 3mm wiseco is 25g heavier than 3mm J&E I measured.

Zoran Vujasinovic
Twin Works Factory
----- Original Message ----- 
From: "Steve Robertson" <srobertson at ssimicro.com>
To: "Suzuki SV650 Mailing List" <sv650 at micapeak.com>
Sent: Monday, March 10, 2008 7:36 PM
Subject: Re: Piston Weights

> Don't know if anybody cares but..........................
> Just weighed a couple more pistons. I weighed a stock used
> busa piston (complete) and got the same weight as Zoran
> within 1gr. I also measured a used +3mm Wiseco. It came
> in at 280gr with rings and clips and the pin was 75gr vs the
> Busa pin that was 65gr. The Busa pin was 6mm shorter and
> had a wall thickness of 3.4mm vs the Wiseco pin that had a
> 3.7mm wall thickness.
> -   stock busa complete 301gr (used)
> -   +3mm Wiseco complete 355gr (used)
>> fyi.stock busa piston complete(pin,rings,clips) is 302 g.
>> stock sv is 320g.
>> J&E,wiseco are 330-335g

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