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DynaJet Kits RULE!!!
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I can't speak for Bryan, but it sure isn't obvious to me. What is obvious is
that DynaJet needles are capable of making the carburetion on a big Zookie
into something like its designers envisioned, and which the EPA probably
can't stand. I know I'm quite happy with how "poorly" DynaJet does its job
( tee hee hee ).
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the truth. Got the 1100 back from the shop today. New front tire ( Metzler
Roadtec Z6 ), new front wheel bearings, installed highway pegs, troys
patented lead weights and silicone sealant in the handlebars, but the real
work, the cool work, the NEEDED WORK, was the final tuneup on the carbs.
Yes Ladies and Gentlemen, this story is all about....The Taming Of The
DynaJet Needle. The hated needle, the needle krusty wants condemned to the
dustbin of history, the needle which can do no good. This terrible construct
of the CV carb world now....WORKS!!
Quick recap, I had been fighting a stumble when cold in the 3-4K rpm range
which, when the bike was completely warm, was mostly gone, but still caused
a rough running/stumble condition occasionally. When Krusty described what
he called a "gasoline dieseling" condition ( open the throttle, sudden the
entire bike feels like it just stops running while making a "bbbrrrrrr"
noise ) I agreed with him. Krusty envisioned the needle being in too rich of
a position, the local shop said it was too lean. Both recommended the same
solution, moving the needle one clip position. Well, after test riding the
bike this morning, the shop moved the clip 2 positions on the needle.
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According to them, 2 clicks richer.
I suspect the "standard" sea level jetting instructions, when combined with
a K&N filter and 6000' of altitude, threw the entire thing outta whack.
What I can't wait to see is how it works at sea level next week.
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And the results? Oh baby...the big zookie now runs like its supposed too, a
runaway torque monster freight train from hell, all the way from idle to
redline. Cold, warm, hot, it don't matter. Open the throttle, and it starts
to move, and the higher it revs the faster it revs and faster it moves until
it slams into redline like it wants another 2000 rpm. No on/off throttle
transition weirdness, no dieseling noises when cold, no hesitation or second
thoughts anywhere, the rear end jacks up and the thing just flat moves out.
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Me too. Now that it works so well, I figure the price will be reduced gas
mileage. So next I gotta work out a way to give it some taller gearing.
Taller tire I suppose for just a bit more.
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So Krusty, while I respect your minutia knowledge of things "old bike"ish, I
have to volunteer that your anti-DynaJet bias does not appear to have merit
in this case. This is my 2nd DynaJet kit installed, and the results in this
case are completely satisfactory, more so than the 1st kit on the FZR400,
and make for an improvement in the power delivery of this particular bike. I
do not yet have fuel mileage estimates on what this needle change may cost
me yet, but I cannot bash the DynaJet needle based on its performance in my
bikes to date.
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