Piston Weights

zoran zv30 at sbcglobal.net
Tue Mar 4 10:57:59 PST 2008

I like to weight them comnplete.

Zoran Vujasinovic
Twin Works Factory
----- Original Message ----- 
From: "Ernest Montague" <afm199 at earthlink.net>
To: "Suzuki SV650 Mailing List" <sv650 at micapeak.com>
Sent: Tuesday, March 04, 2008 10:47 AM
Subject: Re: Piston Weights

> IIRC stock pistons are close to 228.. anybody else?
> On Mar 4, 2008, at 10:39 AM, Steve Robertson wrote:
>> With the help of a mechanic I will be getting into the motor next
>> month and will check what kind of slugs are in there. The motor
>> already has Carillo rods and I am running total loss with a lightened
>> rotor. Here some piston numbers that I have researched. All are for
>> the SV with exception of the CP pistons which are for a Busa but I
>> would assume they would work (??yes/no??) All are 83mm bore:
>> Wiseco 244gr
>> JE         241gr
>> Zlock    228gr (made for Zlock by Wiseco I believe)
>> Spears  221gr
>> CP        214gr
>> If anyone knows of a reason not to use the CP Pistons I would be
>> interested to hear.
>> thanks,
>> Steve
>>> Piston weight is very important. 8 gram heavier then stock can make 
>>> motor go
>>> boom.  We use super light from Zlock racing. There a Wisco piston but 
>>> Dan
>>> design. We all so do a light weight stator rotor we take about 400 grams 
>>> off
>>> the stator help with the 2 gen cranks, so the noise does not brake off.
>>> If it is not too late, I would weight the pistons and see how they stack 
>>> up
>>> to the stock. I've seen a lot of rods broken because of to heavy a 
>>> piston.
>>> And the poor rod gets through under the bus. Will the fat ass piston 
>>> laughs
>>> in the corner...
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