zv30 at sbcglobal.net
Tue Mar 4 15:08:29 PST 2008
that is what I ment.
if you use piston that is advertised lighter but have heavy pin you gained
busa assembly is lightest.pin is shortest.
almost 30g lighter than aftermarket.
Twin Works Factory
----- Original Message -----
From: "KC" <kc at brgracing.com>
To: "'Suzuki SV650 Mailing List'" <sv650 at micapeak.com>
Sent: Tuesday, March 04, 2008 2:38 PM
Subject: RE: Piston Weights
>I like to weight them apart. There are times when you find the pin is heavy
> or light. You can go with the light parts. That's a good thing. Wisco pin
> are in most cases pretty heavy. The stock pin is pretty light so you
> the pin and use that. That's cool you have piston weights. I've herd some
> good things about cp but have never seen any thing from them. Who told you
> spears pistons are 221 grams.
> The ones I've seen where a bit on the heavy side of these numbers.
> -----Original Message-----
> From: zoran [mailto:zv30 at sbcglobal.net]
> Sent: Tuesday, March 04, 2008 10:58 AM
> To: Suzuki SV650 Mailing List
> Subject: Re: Piston Weights
> 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.
>>>> 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
>>>> design. We all so do a light weight stator rotor we take about 400
>>>> 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
>>>> to the stock. I've seen a lot of rods broken because of to heavy a
>>>> And the poor rod gets through under the bus. Will the fat ass piston
>>>> in the corner...
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