Rejetting Matrix - Page 2 - Suzuki Volusia Forums : Intruder Volusia and Boulevard Forum
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post #11 of 67 (permalink) Old 04-04-2006, 10:43 PM
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I printed the Matrix out when the VOL was up and running. I checked this posting against what I printed out, they are the same. As I recall this matrix made life a lot easier for a great many people. I am pretty sure the info is correct! Briman was always very thorough. I really miss the VOL.
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post #12 of 67 (permalink) Old 04-22-2006, 03:51 PM
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Finally got the jetting done to the point where she feels right.

Carb mount K&N
Cobra Slashcuts
45 pilot
140 main
the "not so tapered" version of the Dynojet needle
blocked air jet
2.5 turns on the mix screw
no o-ring installed (oops)

Great torque on the low end, snappy throttle response and good acceleration through the whole throttle. Unfortunately, I kicked the weld off the pivot on the shifter while flying through the gears getting on the freeway, so I will need to wait until next week to get her welded up before I can get to the local Dyno. (I can tell you I can start from a stop sign in 5th with this jetting ) I will let you all know how she does then.

by the way... if any of you are in NE Ohio, are thinking about rejetting and would like some help... PM me. I have gotten this down to a one beer job now

bill
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post #13 of 67 (permalink) Old 08-17-2006, 11:39 AM
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What is this " "not so tapered" version of the Dynojet needle" that you speak of?



'01 VL800 Red/Blk - totalled 6/17/2012
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post #14 of 67 (permalink) Old 08-17-2006, 02:34 PM
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This may help, or this may further confuse the Dynojet vs. Mikuni issue, as well as the "less tapered" issue.

I rejetted a few weeks ago, and have had problems with reduced MPG. I wondered if I got the wrong jets. So I've been e-mailing the guy from MotorcycleCarbs. Here's the pertinent info for me--I run stock pipes (not drilled or debaffled) and a K&N in the football:
---
How many shims did you use on the needle? You should be using only the one additional we sent.

The jets should also be a 35/140 If you send the 150 back and it is not damaged in any way I can trade you evenly.
If it has bent ears from screwdriver torque you will need to purchase one of these.
http://www.motorcyclecarbs.com/MIKUN...140__P5541.cfm

Sorry for any problems this may have created.

We have just recently found out that the jetting specs we build from were
for using DynoJet Jets, but we were using Mikuni and the numbering systems are different.
---
So I'm going to order this new jet (its only $2.95) and just install that one. From the picture, its a lot less tapered, so that may be what MrBill is referring to.

I also asked about the shim--there was one on there already, so should we have installed the extra, or replaced the original with the one that came from the kit, etc.
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post #15 of 67 (permalink) Old 08-17-2006, 02:49 PM
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Quote:
Originally Posted by pbryon
This may help, or this may further confuse the Dynojet vs. Mikuni issue, as well as the "less tapered" issue.

I rejetted a few weeks ago, and have had problems with reduced MPG. I wondered if I got the wrong jets. So I've been e-mailing the guy from MotorcycleCarbs. Here's the pertinent info for me--I run stock pipes (not drilled or debaffled) and a K&N in the football:
---
How many shims did you use on the needle? You should be using only the one additional we sent.

The jets should also be a 35/140 If you send the 150 back and it is not damaged in any way I can trade you evenly.
If it has bent ears from screwdriver torque you will need to purchase one of these.
http://www.motorcyclecarbs.com/MIKUN...140__P5541.cfm

Sorry for any problems this may have created.

We have just recently found out that the jetting specs we build from were
for using DynoJet Jets, but we were using Mikuni and the numbering systems are different.
---
So I'm going to order this new jet (its only $2.95) and just install that one. From the picture, its a lot less tapered, so that may be what MrBill is referring to.

I also asked about the shim--there was one on there already, so should we have installed the extra, or replaced the original with the one that came from the kit, etc.
On the stock needle there is a washer held in place with a "clip". Slide the new shim washer on to the long end of the needle and up to the one on there now. This way the needle will sit higher when inserted back into the carb (allowing more flow). If there are any other washers on the needle they would be from a previous rejet and they should be removed.

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A pretty girl and an honest one.
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post #16 of 67 (permalink) Old 10-08-2006, 01:23 AM
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quick question in the dynojet kit is does not suggest to change out the pilot jet. are you guys suggesting that they 37.5 pilot jet would be a better match then the stock one (which teh kit says nothing about) for a box mounted K&N w/ aftermarket pipes?

just trying to make sure i understand this carb thing.

thanks
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post #17 of 67 (permalink) Old 10-08-2006, 06:11 PM
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just finishing up putting the carb together after the rejet and have a question. the Dynojet kit suggests 3.5 turns but everyone on here suggests 2.5-3 why the difference?? i did not change the pilot jet as the dynojet kit instructions said you didnt' have to and i didn't have one. i can get one later on if need be would this make any difference??

thanks
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post #18 of 67 (permalink) Old 10-12-2006, 08:33 AM
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anyone?

thanks
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post #19 of 67 (permalink) Old 10-12-2006, 09:22 AM
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Quote:
Originally Posted by Lunchbucket
just finishing up putting the carb together after the rejet and have a question. the Dynojet kit suggests 3.5 turns but everyone on here suggests 2.5-3 why the difference?? i did not change the pilot jet as the dynojet kit instructions said you didnt' have to and i didn't have one. i can get one later on if need be would this make any difference??

thanks
Lunchbucket
The numbers you find here are a starting point based on the experience of many people. Your riding style, weather, altitude, all factor in to the exact setting that "feels" best for you. Most people would recommend changing out the pilot, if you can get one you can try it to see what you think. Without putting your bike on a dyno it ends up being about how it feels to you. Now that you've been in the carb you know it isn't that bad to do the tweaking that gives you the right feel.

-Metal monsters that let us breathe. Let us smell. Keep us from being numb. - Zookoff
-Twisties give me happy pants


Here's to a long life and a merry one.
A quick death and an easy one.
A pretty girl and an honest one.
A cold pint-- and another one!

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post #20 of 67 (permalink) Old 10-12-2006, 04:23 PM
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thanks volusia.

the pilot will give easier starts and warm ups? plus better response in the low range RPM??

i only drove it yesterday for 15min or so. it was 30's out and wanted to get home ASAP from my buddies where i did the work and put the pipes on so didn't get a good idea of how it ran.

i can get a pilot jet easy and since i "been in there" it shouldn't be too bad.

thanks
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