TC, why not just drop the rear mains a notch or so? i'll also let you know
if my airhorns under 4 filters set-up helps this any. IF i ever get my
diaphrams in from K&N. been 2 wks. already......steve#1131
----- Original Message -----
From: TC <[EMAIL PROTECTED]>
To: V-MAX TECH LIST <[EMAIL PROTECTED]>
Sent: Sunday, March 26, 2000 7:12 PM
Subject: Re: Two Bros Racing oval slip-ons & Stage 7 Kit cont.
> Charles,
> This is a classic .... "two normal looking plugs and two that are
> darker" ... and please correct me if I am wrong but the darker ones
> should be the ones in the rear ...... Been there ... done that ... got
> a tee shirt ......... and if you keep putting bigger and bigger main
> jets in the rears will just keep getting darker and the fronts will
> continue to look just fine. The "I don't want to run" behavior should
> be until you get past 4500 RPM .. at which time you need to have your
> insurance paid up because you go into warp drive ......... On the
> other hand if you get into WOT early you can usually leap past the
> 4500 RPM flat spot, (which only happens if you sneak up on it like a
> normal person .... ie: less than full throttle). If you find this to
> be the case ... you should at least re-oil the front "oiled at the
> factory" filters ... or put socks on them, (UNI socks) .... These are
> exactly the symptoms you would have with un-oiled filters or with no
> restrictors in the main air jets. There is just not enough vacuum to
> suck the fuel out ... you can go all the way up to the DJ190s and the
> fronts will continue to look fine ... the rears will get darker and
> darker. The reason the rears are behaving normally is because there is
> more intake resistance back there ... since they are backed up against
> the frame etc ....... The fronts are too open and without more oil or
> a sock there isn't enough vacuum at lower RPM to get sufficient fuel.
> Also ... keep the fuel bowl vents mounted high in the air cover ... as
> this will help equalize the pressure in the fuel bowls ... cutting
> them off or doing something clever with them will have an adverse
> affect on the fuel trying to get up the jet tubes ...... I am
> surprised Dynojet didn't already have you duct tape the front filter
> already so they could lecture you about filter oil ........ IMHO of
> course ... (but you can have my tee shirt if you want).
> campbell
>
> ----- Original Message -----
> From: <[EMAIL PROTECTED]>
> Subject: Two Bros Racing oval slip-ons & Stage 7 Kit cont.
>
>
> As I said, After trying with the needles in the last position (sixth
> from top), having the most amount of fuel and the bike behaving like a
> mad cow, I tried the 5 th notch, which was the recommended position
> from Dynojet after listening to my situation.
>
> Now the bike performs well, has regained its lost punch, but there is
> still a flat spot once warmed or better still, the engine behaves as
> if it was running on three cylinders. As you accelerate the sound
> continues to be more like a twin/triple and then it suddenly picks up
> revs after some hesitation and fire and power brakes loose making the
> bike run perfectly well. checking the plugs I find two perfectly
> normal clear brown and two slightly darker coloured plugs. Best
> regards, Charles ( [EMAIL PROTECTED] )
> > snip <
>
>
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