kc at brgracing.com
Wed Oct 3 09:03:14 PDT 2007
We have played with all the needles that are out there. None are perfect.
But like I said have bring it by and we can get you pointed in the right
BRG Racing Products
"We Have Sickness For Quickness"
KC at brgracing.com
From: Ernest Montague [mailto:afm199 at earthlink.net]
Sent: Wednesday, October 03, 2007 8:51 AM
To: Suzuki SV650 Mailing List
Subject: Re: jetting
Actually it is for Ian Gillies, he picked up a bike for the track. The
factory (Salvisberg) needle is mid clipped AND shimmed 40 thous and I
think that is wayyy to fat.
One of these days I will get over there. Probably this winter.
On Oct 3, 2007, at 8:38 AM, KC Gager wrote:
> More then likely the needle placement is off. If you want come by 65
> I'll base line it and tell witch way to go on the needle. I'm sure you
> change it with out help :-). Reno in most case wants more fuel up
> KC Gager
> BRG Racing Products
> "We Have Sickness For Quickness"
> KC at brgracing.com
> -----Original Message-----
> From: Ernest Montague [mailto:afm199 at earthlink.net]
> Sent: Wednesday, October 03, 2007 8:26 AM
> To: Suzuki SV650 Mailing List
> Subject: Re: jetting
> This is for a friend's bike that he got with 140 mains, a pipe, K&N,
> and needles from factory. The midrange at Reno Fernley sucks. I
> think the needles are too high, the mains too small and I am going with
> either a stock filter for the 140 mains, or 150s with the K&N and
> pipe. Also shim stock needles 40 thou and change pilot jets.
> On Oct 3, 2007, at 8:21 AM, KC Gager wrote:
>> Was this east cost tuning or was in out here on the west cost. And yes
>> is a difference a big difference.
>> KC Gager
>> BRG Racing Products
>> "We Have Sickness For Quickness"
>> KC at brgracing.com
>> -----Original Message-----
>> From: Jim Stewart [mailto:js at strappe.com]
>> Sent: Saturday, September 29, 2007 6:36 PM
>> To: Suzuki SV650 Mailing List
>> Subject: Re: jetting
>> Ernest Montague wrote:
>>> OK guys, there is a stock formula that used to work pretty well for
>>> one carbs with a race pipe and aftermarket filter or opened up stock
>>> Anyone remember?
>>> 148 mains? I do remember shim the stock needles 40 thou.
>> Hi, Ernie -
>> After half a million dyno runs, Jack Roe developed a formula for
>> airboxes and race pipe: 152.5 mains, 17.5 pilots, two shims (.040")
>> needle, pilot screw at 2.5 (I think). He later recanted and
>> recommended the
>> stock 15 pilots and 3 turns. He also recommended drilling out the
>> bleed hole
>> the slide, but that didn't seem to make any difference on my bike.
>> It turns out that the desnorkeled airbox is a bad choice for a street
>> bike -
>> flat spot at 5K or so. Maybe it works for a racebike - others can
>> tell you.
>> I have my own preferred settings for a street bike, but you're
>> interested in
>> your racebike I assume...
More information about the SV650