Judder spring? - Wrist Twisters
 
Thread Tools Display Modes
post #1 of 24 Old 08-11-2008, 11:20 AM Thread Starter
DaveCB919F4
 
Fastbackdlm's Avatar
 
Join Date: Sep 2006
Location: New Braunfels, TX
Posts: 237
Rep Power: 1
 
Judder spring?

I was working on my clutch today. Installing new frictions and steels and came across a judder spring and seat. Does anyone know what their function is. I almost left them out but, I thought they may be there to cut down on noise. Any ideas?

Fastbackdlm is offline  
Sponsored Links
Advertisement
 
post #2 of 24 Old 08-11-2008, 11:39 AM
Heavy Metal
 
ratdog's Avatar
 
Join Date: Jan 2006
Location: swamp in the wood
Posts: 4,304
Rep Power: 1
 

Awards Showcase
Donation Extraordinary Ride Donation Wrist Twisters Event Attendance 
Total Awards: 5

simply put, makes for a 'smoother' clutch

screw up the seat or spring and you'll likely see probs w/ the clutch not fully disengaging

did u go aftermarket or stock on the clutch springs?
how many miles on the 9r...was the clutch worked needed?? no special reason in askin, just bored i guess

ratdog is offline  
post #3 of 24 Old 08-11-2008, 12:16 PM Thread Starter
DaveCB919F4
 
Fastbackdlm's Avatar
 
Join Date: Sep 2006
Location: New Braunfels, TX
Posts: 237
Rep Power: 1
 
I had it out at the track and started having shifting problems. Rode it around and cooled the clutch down and everything worked fine. I was changing oil (Repsol) and thought I'd look. Some of the steels had blue spots and had changed color a bit. I replaced the steels and added an EBC057 clutch kit (springs and kevlar frictions). I have right at 20,000 miles on it and it would have been fine for another 20,000 most likely. I had Honda gold oil in it the last oil change about 2500 miles ago. I normally run Repsol, I doubt it had any bearing on the clutch but who knows. I got all the stuff from Ron Ayres.

Fastbackdlm is offline  
post #4 of 24 Old 08-11-2008, 12:41 PM
Heavy Metal
 
ratdog's Avatar
 
Join Date: Jan 2006
Location: swamp in the wood
Posts: 4,304
Rep Power: 1
 

Awards Showcase
Donation Extraordinary Ride Donation Wrist Twisters Event Attendance 
Total Awards: 5

repsol synth??

barnett offers a kit w/ 'heavier' springs which is why i asked about the kit...


track, roadrace or 1/8 1/4 mi?

i know, i'm mr 20 q's...a little bored today

ratdog is offline  
post #5 of 24 Old 08-11-2008, 01:01 PM Thread Starter
DaveCB919F4
 
Fastbackdlm's Avatar
 
Join Date: Sep 2006
Location: New Braunfels, TX
Posts: 237
Rep Power: 1
 
I run 1/4 here. A good road course is within range but I have yet to make the trip. Yea full synth repsol ($60 for oil change). And the EBC kit includes stiffer springs. The barnett clutchs are still cork/paper like the originals and the EBC kevlar is supposed to stand more heat. I ran the barnett stuff in my other bikes and it worked well just trying something different. Under $70 for the EBC kit from Ron A.

Fastbackdlm is offline  
post #6 of 24 Old 08-11-2008, 01:10 PM Thread Starter
DaveCB919F4
 
Fastbackdlm's Avatar
 
Join Date: Sep 2006
Location: New Braunfels, TX
Posts: 237
Rep Power: 1
 
What I was really doing is playing with the attachment I made for my lift. It's no fun having a shop if you can't play every now and then.
Attached Images
File Type: jpg IMG_1037.jpg (564.5 KB, 73 views)

Fastbackdlm is offline  
post #7 of 24 Old 08-11-2008, 01:22 PM
Corner speed sets u free
 
streakin919's Avatar
 
Join Date: Sep 2006
Location: Pacific NW
Posts: 1,115
Rep Power: 1
 
Garage

Awards Showcase
Trackday Recognition Donation Veteran 
Total Awards: 3

That's an interesting looking snorkel you have on the airbox there. Did you make it or can we buy ‘em somewhere. Like I need to spend more money.

streakin919 is offline  
post #8 of 24 Old 08-11-2008, 01:41 PM Thread Starter
DaveCB919F4
 
Fastbackdlm's Avatar
 
Join Date: Sep 2006
Location: New Braunfels, TX
Posts: 237
Rep Power: 1
 
I made it using styro foam and fiber glass. I cut the basic shape from styro foam then sanded it smooth and covered it with a thin layer of body filler. Sanded the body filler slick then layed on a couple layers of fiber glass. I then poured laquer thinner into it to clean out the styro foam. Worked great I'm using a side cover screw and one of the original air box screws to hold it in place. It really made a difference in roll ons from about 60mph in high gear. It, in conjuction with a gear change (16/45 to 17/45) and that little f-16 windscreen resulted in a 2.5 tenths drop in 1/4 times and a 3mph increase in trap speed (119.7)

Fastbackdlm is offline  
post #9 of 24 Old 08-11-2008, 03:11 PM
Tribuni Angusticlavii
 
ajcombs's Avatar
 
Join Date: Jul 2006
Location: North Carolina
Posts: 3,801
Rep Power: 1
 

Awards Showcase
Helping a Member in Need 
Total Awards: 1

Quote:
Originally Posted by streakin919 View Post
That's an interesting looking snorkel you have on the airbox there.
+1

Quote:
Originally Posted by Fastbackdlm View Post
I made it using styro foam and fiber glass. I cut the basic shape from styro foam then sanded it smooth and covered it with a thin layer of body filler. Sanded the body filler slick then layed on a couple layers of fiber glass. I then poured laquer thinner into it to clean out the styro foam. Worked great I'm using a side cover screw and one of the original air box screws to hold it in place. It really made a difference in roll ons from about 60mph in high gear. It, in conjuction with a gear change (16/45 to 17/45) and that little f-16 windscreen resulted in a 2.5 tenths drop in 1/4 times and a 3mph increase in trap speed (119.7)
Cool!!


The lift attachment very NICE!! Wished i had a lift!!

ajcombs is offline  
post #10 of 24 Old 08-12-2008, 07:17 AM Thread Starter
DaveCB919F4
 
Fastbackdlm's Avatar
 
Join Date: Sep 2006
Location: New Braunfels, TX
Posts: 237
Rep Power: 1
 
I purchased the lift from a used equipment dealer who was clearing out a dealerships old building. It cost $600 but I had to transport and install. There are so many styles available I'm looking for one to set up at the house.

Fastbackdlm is offline  
post #11 of 24 Old 08-12-2008, 12:02 PM
Aquilifer
 
bucky's Avatar
 
Join Date: Apr 2007
Location: alaska
Posts: 1,249
Rep Power: 1
 
honda clutches are the best, there's no reason to replace springs or anything else. cbr sites prove it, and if they hold up to 120+ hp...
never mind 160-ish hp in my bike and repeated hard drag launches w/ 1.6-1.7 60foot times. that's all clutch. and mine's all honda. lasts all year, when i don't ruin my engine by eating spark plugs anyway.

don't leave out honda parts. (judder spring/seat)
what makes you think you know how to build a motorcycle better than honda does?

i put a similar fairing on my bike and there wasn't an iota of speed difference. seeing as i'm going 134 in the quarter, aero advantage would be even clearer than at 119, so i question whether it helps you go any faster.

also, seeing as your trap speed is 119 and mine was commonly in the 119-120range bone stock, me being around 210-220 pounds in full gear, i question whether you're getting any improvement from your snorkel either.

here's yet another example of me not TRYING to be a dick, but my experiences simply lead me to believe that you're mistaken.

for one thing, you're ramming air but not adding fuel. going leaner rarely makes more power, even though our bikes are rich in places.

how many horesepower can a PCIII add by simply leaning the engine out?
dyno charts anyone?

FACTS anyone?

bucky is offline  
post #12 of 24 Old 08-12-2008, 12:04 PM
Aquilifer
 
bucky's Avatar
 
Join Date: Apr 2007
Location: alaska
Posts: 1,249
Rep Power: 1
 
vance and hines SS2R: good canister.

bucky is offline  
post #13 of 24 Old 08-13-2008, 06:10 AM Thread Starter
DaveCB919F4
 
Fastbackdlm's Avatar
 
Join Date: Sep 2006
Location: New Braunfels, TX
Posts: 237
Rep Power: 1
 
I will say this about the clutch. The steels were showing some heat coloring but, I don't belive anything was hurt to the point of needing replaced. There is a noticable improvement in the way the bike feels (feedback in the lever). And I also think your right about my 1/4 mile stuff. I made to many changes together. On the positive side either the bikes running better or my skills are improving. I do belive the ram air helped. The way I had my airbox inlet modified left it in a vacuum you could feel with your hand going down the highway and the air it did suck was hot comming off the radiator. I need do do a couple of more things and I'll get some dyno pulls and see what kind of numbers I get. I need to figure out how to simulate 100mph inlet air.

Fastbackdlm is offline  
post #14 of 24 Old 08-13-2008, 08:16 AM
Heavy Metal
 
ratdog's Avatar
 
Join Date: Jan 2006
Location: swamp in the wood
Posts: 4,304
Rep Power: 1
 

Awards Showcase
Donation Extraordinary Ride Donation Wrist Twisters Event Attendance 
Total Awards: 5

leaf blower...

ratdog is offline  
post #15 of 24 Old 08-13-2008, 10:02 AM Thread Starter
DaveCB919F4
 
Fastbackdlm's Avatar
 
Join Date: Sep 2006
Location: New Braunfels, TX
Posts: 237
Rep Power: 1
 
Ya' know the leaf blower thing just might work. I wounder if I could intercool it. Or did you meen just for the dyno pulls?

Fastbackdlm is offline  
post #16 of 24 Old 08-13-2008, 11:43 AM
Heavy Metal
 
ratdog's Avatar
 
Join Date: Jan 2006
Location: swamp in the wood
Posts: 4,304
Rep Power: 1
 

Awards Showcase
Donation Extraordinary Ride Donation Wrist Twisters Event Attendance 
Total Awards: 5

the pulls...

course i think that's waaaay to much effort but then again, i've seen worked gremlins and pacers at the strip

ratdog is offline  
post #17 of 24 Old 08-13-2008, 11:47 AM
Official thread derailer
 
dadogs's Avatar
 
Join Date: Jan 2006
Location: Pocono Mts PA
Posts: 11,015
Rep Power: 1
 

Awards Showcase
Donation BOTM Wrist Twisters Event Attendance Wrist Twisters Event Attendance 
Total Awards: 7

Quote:
Originally Posted by ratdog View Post
the pulls...

course i think that's waaaay to much effort but then again, i've seen worked gremlins and pacers at the strip







Proud member of Wristtwisters, where we drill things the right way.
dadogs is offline  
post #18 of 24 Old 08-13-2008, 11:49 AM
Official thread derailer
 
dadogs's Avatar
 
Join Date: Jan 2006
Location: Pocono Mts PA
Posts: 11,015
Rep Power: 1
 

Awards Showcase
Donation BOTM Wrist Twisters Event Attendance Wrist Twisters Event Attendance 
Total Awards: 7

Sorry, just had to add this one too.








Proud member of Wristtwisters, where we drill things the right way.
dadogs is offline  
post #19 of 24 Old 08-13-2008, 11:51 AM
Heavy Metal
 
ratdog's Avatar
 
Join Date: Jan 2006
Location: swamp in the wood
Posts: 4,304
Rep Power: 1
 

Awards Showcase
Donation Extraordinary Ride Donation Wrist Twisters Event Attendance 
Total Awards: 5

lol
man, u have tooooooo much time on your hands

ratdog is offline  
post #20 of 24 Old 08-13-2008, 12:17 PM Thread Starter
DaveCB919F4
 
Fastbackdlm's Avatar
 
Join Date: Sep 2006
Location: New Braunfels, TX
Posts: 237
Rep Power: 1
 
They filmed Pinks All Out at the track here. There was a 1971 AMC Matador station wagon with a 300 shot NOS kit look like it was stright from the salvage yard. The first time he hit the button at mid track the thing turned dead sideways. He got it shutdown without hitting anything. Funniest thing I ever saw. He came back out and was running 12.8's

Fastbackdlm is offline  
post #21 of 24 Old 08-13-2008, 03:04 PM
 
Join Date: Mar 2008
Posts: 73
Rep Power: 0
 
you got any more pictures of that crazy snorkel?

retard is offline  
post #22 of 24 Old 08-13-2008, 04:48 PM
Aquilifer
 
bucky's Avatar
 
Join Date: Apr 2007
Location: alaska
Posts: 1,249
Rep Power: 1
 
the air intake snorkel for a 1982 bmw 320i would be PERFECT for this app, but i can't find a picture right now.

if anyone can, please post it. i think the forced air enthusiasts among us would think likewise.

bucky is offline  
post #23 of 24 Old 08-13-2008, 05:18 PM
Aquilifer
 
bucky's Avatar
 
Join Date: Apr 2007
Location: alaska
Posts: 1,249
Rep Power: 1
 
ooh !
#4, $15 retail.
the inlet is not as narrow as pictured.
Attached Images
File Type: gif air-intake.gif (3.4 KB, 5 views)

bucky is offline  
post #24 of 24 Old 08-13-2008, 09:58 PM
Duckin' for cover..
 
SoCal919's Avatar
 
Join Date: May 2006
Location: L.A. California
Posts: 460
Rep Power: 1
 

Awards Showcase
Donation 
Total Awards: 1

Leaf Blower!! Supercharger on the cheap!

SoCal919 is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Wrist Twisters forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in










Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

 
For the best viewing experience please update your browser to Google Chrome