Sam,
interesting tuning specifications. are you using the airbox and
active boost mode?
do you have a dyno on your set-up?
steve
>From: [EMAIL PROTECTED]
>Reply-To: [EMAIL PROTECTED]
>To: V-MAX TECH LIST <[EMAIL PROTECTED]>
>Subject: Re: running rich
>Date: Mon, 11 Sep 2000 20:49:52 +1000
>
>You don't need a Stage 1 for Mark's system on an otherwise stock engine.
>I have a Mark's 4-2 and have the following done to carbs.
>1) Shim stock needles .020"
>2) Open pilot screws to about 2.75-3 turns out from seated closed.
>3) # 155 Mikuni main jets. (stock size is 152.5)
>4) # 157.5 pilot air jet 2. (stock size is 170)
>5) K&N filter element. "Y" retained but shimmed up about 1/8" with
>rubber strips.
>6) Always check and synch carbs every 2000 miles.
>7) Replace plugs every 3000 miles to keep it sharp. My plugs look a
>light tan in most riding conditions. Slow riding and they are a mid tan
>color. After 1/4 mile blast they are almost white but still show a very
>slight tan coloring. Incidentally my fuel mileage is virtually the same
>as the stock bike with stock exhaust and carb settings, about 110 miles
>till the reserve light comes on. That's based on cruising, high speed
>highway and spirited traffic light use around town.
>
>Best of all the bike pulls at least as hard as a stocker from 1500 on.
>Its power comes on even smoother than a stock pipe anywhere in the RPM
>range, top end power definitely stronger from V-Boost to over 9K. The
>overall torque curve is even flatter than stock. Finally, the sound is
>wonderful. Ever heard a Small Block Chev singing.
>
>Sam Blumenstein #795
>
>[EMAIL PROTECTED] wrote:
>
> > steve how does mark's sound?
> > steve i would run a stage1 kit in that and reset it up
>
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