News:

           Enjoy your FJ


Main Menu

needle clip setting

Started by yarin, August 22, 2011, 09:07:14 AM

Previous topic - Next topic

yarin

Hi.  I am installing in my 1992 Fj1200 a new Factory Pro carb kit from RPM kit#crb-y081.0.  Can someone tell me which needle clip position is the best to start with. I think there are five clip settings. Ill also install the 115 main jets and the 42.5 pilot jets.  the bike has a Vance Hines and a stock air box. and for good measure I might tweek the float height to the lowest setting, does 23.0 mm sound like a good height for this fuel pump model.  thanks for anyones insight and opinion for this set up!

Tom

Sideburns

I've been reading a lot about carbs on the forum.
tuning, different filters, rebuilds etc......

How expensive are dynoruns in the U.S.?  You can get them in  the Netherlands for around $30.
It's the only real method of getting the jetting right.
Takes a few runs, some time and someone who knows where to go with the jetting, but worth every cent.
beats guessing. IMHO


racerrad8

Quote from: yarin on August 22, 2011, 09:07:14 AM
...a new Factory Pro carb kit from RPM kit#crb-y081.0.  Tom

Forgive me, I am confused... :scratch_one-s_head:


I do not sell Factory Pro carb kits. If you got a factory kit there should be some pretty specific directions contained within.

If all else fails, start in the middle and adjust from there.

Randy - RPM
Randy - RPM

WestOzXJR

Quote from: Sideburns on August 22, 2011, 10:02:13 AM
How expensive are dynoruns in the U.S.?  You can get them in  the Netherlands for around $30.
It's the only real method of getting the jetting right.
Or you can fit an on-board air fuel ratio meter/display/data-logger... This is the one I have fitted : http://www.zeitronix.com/
Nitrous is nice but I'd rather be blown.

We don't see things as they are, we see them as we are. -Anais Nin

andyb

Quote from: Sideburns on August 22, 2011, 10:02:13 AM
How expensive are dynoruns in the U.S.?  You can get them in  the Netherlands for around $30.
It's the only real method of getting the jetting right.
Takes a few runs, some time and someone who knows where to go with the jetting, but worth every cent.
beats guessing. IMHO

$300 or so is typical in my area (midwest) for dyno tuning.  And that's assuming that you're lucky enough to find someone who actually understands carbs and will bother getting things sorted correctly.

Any repeatable, precisely measurable method will get it right.  A dragstrip, a dyno, even a video camera stuck to the tank can get things spot on.

yarin

Oops! I ordered this kit from ebay or biker supply or somewhere,and it took for ever to ship. twas Before i heard out about RPM.  none the less thanks for your help.

tom

Sideburns

Quote from: andyb on August 22, 2011, 02:07:50 PM
Quote from: Sideburns on August 22, 2011, 10:02:13 AM
How expensive are dynoruns in the U.S.?  You can get them in  the Netherlands for around $30.
It's the only real method of getting the jetting right.
Takes a few runs, some time and someone who knows where to go with the jetting, but worth every cent.
beats guessing. IMHO

$300 or so is typical in my area (midwest) for dyno tuning.  And that's assuming that you're lucky enough to find someone who actually understands carbs and will bother getting things sorted correctly.

Any repeatable, precisely measurable method will get it right.  A dragstrip, a dyno, even a video camera stuck to the tank can get things spot on.


What's the point of owning a dyno, if you don't know what to do with the info it gives you?

andyb

When 90% of your customers have fuel injection and take but a few moments to tune, why learn carbs?  It's annoying, but there's definitely places to watch out for.