aliveagain
Needs a life
Posts: 5033
|
posted December 30, 2005 06:27 PM
shims
Am I limited to just the dealers when it comes to valve shims or are there other options?
____________
I wondered why the baseball kept getting bigger. Then it hit me.
  
|
osti33
Needs a job
Posts: 2973
|
posted December 30, 2005 07:25 PM
MadMike sells a real nice kit. Ping him...
|
blitzkrieg
Needs a job
Road kill = Free lunch.
Posts: 2044
|
posted December 30, 2005 07:46 PM
Here is what I use. I've been very happy with them:
http://www.cyclebuy.com/shopping/shims/shimkits.htm
|
osti33
Needs a job
Posts: 2973
|
posted December 30, 2005 07:50 PM
Yep. Same kit Mike sells. I have also been very happy with that kit.
|
blitzkrieg
Needs a job
Road kill = Free lunch.
Posts: 2044
|
posted December 30, 2005 07:59 PM
quote:
Yep. Same kit Mike sells. I have also been very happy with that kit.
Only complaint I have is after doing four 12's this year, 230's and 235's I am out of, even after buying a refill pack.
My experience has been a 225-240 kit would cover every 12 I have worked on and I would not have the worthless <> shims wasting money in the box, but all in all its a great kit for the $$$.
I am going to call the company I posted above though (or MadMike) because I want X number of XXX size shims.
Thats all I ask. 
|
ruger44
Parking Attendant
Posts: 1
|
posted December 31, 2005 07:00 AM
Can you use two 120 shims to make 240 or should you use one shim only? My ZX12R is the first non screw and nut valve adjustment for me.
Thanks,
David
____________
2001 ZX12R
2000 Bandit 1200
|
ninja12
Needs a job
Posts: 3310
|
posted December 31, 2005 10:55 AM
quote:
Can you use two 120 shims to make 240 or should you use one shim only? My ZX12R is the first non screw and nut valve adjustment for me.
Thanks,
David
Don't think that would be the best thing because the shims sit inside the retainer.
It would be easier to spit a shim if it only had half the distance to get out the pocket.
|
blitzkrieg
Needs a job
Road kill = Free lunch.
Posts: 2044
|
posted December 31, 2005 02:16 PM
You most definitely would never want to try that.
Conversely you never want to grind a shim either.
|
aliveagain
Needs a life
Posts: 5033
|
posted January 02, 2006 10:57 AM
I can see why some have gone with a wider hayabusa spring cap after measuring valve lash.Wouldn't that give a longer duration?I wonder how much of an effect that would make on the power band.
____________
I wondered why the baseball kept getting bigger. Then it hit me.
|
ninja12
Needs a job
Posts: 3310
|
posted January 03, 2006 11:07 AM
quote:
I can see why some have gone with a wider hayabusa spring cap after measuring valve lash.Wouldn't that give a longer duration?I wonder how much of an effect that would make on the power band.
Can't see how without tighten the clearance.
|
aliveagain
Needs a life
Posts: 5033
|
posted January 03, 2006 01:16 PM
The way my engine is angled right now,it looks like the cam lobe hits the edge of the valve bucket.Didn't know if having a bigger bucket would have the valve opening sooner and closing later.
____________
I wondered why the baseball kept getting bigger. Then it hit me.
|
MadMike
Moderator
FEAR THE BLACK FLAG!!!!!!!!
Posts: 6579
|
posted January 03, 2006 08:55 PM
give me a shout if I can help....
____________
200-MPH CLUB MEMBER!
|
blitzkrieg
Needs a job
Road kill = Free lunch.
Posts: 2044
|
posted January 06, 2006 03:36 PM
quote:
give me a shout if I can help....
Can I purchase individual shims from you Mike?
I'd like to replenish my kit so I have what I need the next time the need arises. There are two or three sizes I am just about out of.
____________
"BTW....You need to get a girlfriend who's last name isn't .jpg"
|
aliveagain
Needs a life
Posts: 5033
|
posted February 05, 2006 01:30 PM
MadMike,check your email
____________
I wondered why the baseball kept getting bigger. Then it hit me.
|
12r1
Expert Class
Posts: 390
|
posted February 05, 2006 04:11 PM
I have some used shims, from a '78 KZ650. Free, if ya need em.
3x270
3x265
1x260
1x255
They're prob. thicker than usually needed for us, but you never know.
jeff
|
aliveagain
Needs a life
Posts: 5033
|
posted February 05, 2006 07:13 PM
All too thick for me. Are they 9.48mm shims?
____________
I wondered why the baseball kept getting bigger. Then it hit me.
|
MadMike
Moderator
FEAR THE BLACK FLAG!!!!!!!!
Posts: 6579
|
posted February 05, 2006 08:12 PM
Hey Alive! just got it and emailed ya back... should have some info for ya tomorrow...
____________
200-MPH CLUB MEMBER!
|
speedgene
Zone Head
Posts: 996
|
posted February 06, 2006 07:20 AM
Ruger, Look at it this way. Let's hypothetically say the shim bucket is recessed to hold the shim obviously. The shoulder height is 110. Installing a 120 shim gives you 010 height out of the bucket. If you install two 120's...kind of see how this can't be done? How can you hold the second shim in place over the other one?.... make a shim twice as thick.
Aliveagain, A wider cap is just that...wide. If the spring cap is just wider and has the same measurement in height as a stock cap, then there is no effect. Were the bucket holes machined to accept larger shim buckets? Are you installing a high lift cam?
You can take a clump of grease, place some on the shim, and bucket, then rotate the cam lobe to wipe over it. Check to see if there are any contact lines on the bucket viewing the grease wiped away? If this is an unmodified stock cam and shim bucket system, then there is no way a lobe hits the bucket first. The design simply won't allow it. Your valve clearance determines when the lobe makes contact on the shim.
Decrease shim clearance (from stock), and yes, you can increase top end mph. Widen the gap.. brings the torque downstairs.
____________
E-tard
|
12r1
Expert Class
Posts: 390
|
posted February 06, 2006 09:52 AM
quote:
All too thick for me. Are they 9.48mm shims?
I assume you mean diameter?
Oh well, more like 13mm. Thought we'd get lucky.
jeff
|
Ra12r
Zone Head
Posts: 919
|
posted February 06, 2006 02:56 PM
Busa shims are the same as the zx12.
____________
All must bow to the "Ra Supremecy"...
|
ninja
Novice Class
Posts: 81
|
posted February 06, 2006 10:48 PM
Does anybody know the diameter size of the shims for a 2000 ZX9r? Thanks
|
blitzkrieg
Needs a job
Road kill = Free lunch.
Posts: 2044
|
posted February 06, 2006 11:23 PM
 Edited By: blitzkrieg on 6 Feb 2006 23:24
http://www.cyclebuy.com/shopping/shims/shimkits.htm
You can xref whatever you want there.
Sadly, I've got some pretty big dollars tied up in my shim kits and my new R1 uses the 7.48mm not the 9.48mm like the 12's.
|
MadMike
Moderator
FEAR THE BLACK FLAG!!!!!!!!
Posts: 6579
|
posted February 07, 2006 08:32 AM
blitz I can help you out... if you need! PM me...
Mike
____________
200-MPH CLUB MEMBER!
|
dougmeyer
Needs a job
moderated
Posts: 2713
|
posted February 07, 2006 08:39 AM
A larger tappet wouldALLOW you to use a cam with more lift, but simply using one with a stock cam won''t change anything. The tappet diameter and installed spring height are critical design parameters in the cylinder head and must be balanced against desired cam lift.
D.
|
ninja
Novice Class
Posts: 81
|
posted February 07, 2006 05:03 PM
Blitz zx9 is not listed on your link I checked before I asked the first time. ???
|
|
|
HOME
NEW TOPIC