1985 gpz 600 carb sync - Page 3 - KawiForums - Kawasaki Motorcycle Forums
 1Likes
Reply
 
LinkBack Thread Tools Display Modes
post #21 of 33 (permalink) Old 01-11-2019, 06:05 AM Thread Starter
Jr. Member
 
Join Date: Jan 2019
Posts: 16
 
LOL, heres the video, I didnt do an actual VIDEO of the trick, on my carbs themselves, but i do explain the three tools involved and the process and show the parts, i dont tap it coz i already love tapped them before recording, but i show you a run down on the PART 2/2 of the love tap, and the parts i used (608rs bearing balls) and 5mm through-punch (centre punch) and a hammer.


Turns out Cylinder #2 didnt have an o-ring on the pilot needle, maybe thats why it wont run with 4 vacuum ports plugged up?


enjoy




JJ_GPZ_600 is offline  
Sponsored Links
Advertisement
 
post #22 of 33 (permalink) Old 01-11-2019, 09:25 PM
bpe
Member
 
bpe's Avatar
 
Join Date: Dec 2018
Location: Atlanta,GA
Posts: 377
   
Garage
Interesting videos.
It would seem to me that the ball bearing would distort the seat, and make the valve leak.

2006 EX500r
Purchased new in July 2006, 0 miles.
Miles as of January 2019 102,137 miles
bpe is offline  
post #23 of 33 (permalink) Old 01-12-2019, 06:37 PM Thread Starter
Jr. Member
 
Join Date: Jan 2019
Posts: 16
 
It was a love tap, it will be fine , they are going on the bike today, so I will noticed how much fuel its sucking in and if its sealing etc, its gonna be great

Last edited by JJ_GPZ_600; 01-12-2019 at 08:04 PM.
JJ_GPZ_600 is offline  
 
post #24 of 33 (permalink) Old 01-13-2019, 07:55 AM Thread Starter
Jr. Member
 
Join Date: Jan 2019
Posts: 16
 
Here we go, New vid on re-installation, let me tell ya shes runnin like puss,

too lean, misbalanced, im going to have to go-back to basics and check valve clearances for erratic idle first,

then the carbs need fine tuning, at 2.5 turns the revs slightly hang from off-idle throttle inputs just a little bit,

shes used to be at 3 turns and the revs wouldnt drop fast enough from off-idle-throttle inputs to my liking, now im thinking 3.5 would be a good start. (higher compression)

Im yet to try blocking off all 4 vac ports again to carb balance, I am not liking the odds of it idling with all 4 ports blocked with it running like this. But i will try all avenues to my abilities and check them off the list


Here we go, New vid on re-installation, let me tell ya shes runnin like puss, too lean, misbalanced, im going to have to go-back to basics and check valve clearances for erratic idle first, then the carbs need fine tuning, at 2.5 turns the revs slightly hang from off-idle throttle inputs just a little bit, she as at 3 turns, now im thinking 3.5 would be a good start. Im yet to try blocking off all 4 vac ports again to carb balance, I am not liking the odds with it running like this. But i will try all avenues to my abilities

https://youtu.be/KBBIlNBAPec

Last edited by JJ_GPZ_600; 01-13-2019 at 08:02 AM.
JJ_GPZ_600 is offline  
post #25 of 33 (permalink) Old 01-13-2019, 10:27 AM
Jr. Member
 
bigbadbass's Avatar
 
Join Date: May 2015
Location: New York
Posts: 75
    
I thought you posted you adjusted the valves already? Yes, from your first post.....

"Valve adjustments were done when cold, not sure if need be done when hot, but they were not jammed open, i had clearances on all 16valves"

Yes, done cold is correct. You state you "had clearances on all 16 valves"......but at WHAT clearances? Are they correct to factory spec? There should be a sticker under the seat providing factory intake and exhaust specs...you should know and have done this the first time around....so why the REPEAT PERFORMANCE? Did you actually use a proper feeler gauge to MEASURE all clearances (as you should have) the first time around?
INTAKE .005"-.007" EXHAUST .007"-.009" note those are INCH measurements, not mm. Right from the service manual.

If you are unsure you got them right the first time...you need to perfect your technique and procedure, precisely follow service manual directions to KNOWING they are right THE FIRST TIME to avoid second guessing and DO-OVERS.

One good thing....it now *starts* at least. All a matter of methodical tuning now ...with each task done correctly the *first* time.

'95 Ducati 900SS/SP
'07 Ducati SS800
'98 Honda VFR800 FI

Last edited by bigbadbass; 01-13-2019 at 10:47 AM. Reason: valve clearance specs added
bigbadbass is offline  
post #26 of 33 (permalink) Old 01-13-2019, 10:41 AM
Jr. Member
 
bigbadbass's Avatar
 
Join Date: May 2015
Location: New York
Posts: 75
    
also from your first post....."the bike has new rings" ....done correctly, upon reassembly the valves should have been adjusted to spec and DOUBLE (if not triple) CHECKED.

Just who did the head reassembly involved here? Somebody is causing you A LOT of extra work and second guessing.

'95 Ducati 900SS/SP
'07 Ducati SS800
'98 Honda VFR800 FI

Last edited by bigbadbass; 01-13-2019 at 11:21 AM. Reason: language correction
bigbadbass is offline  
post #27 of 33 (permalink) Old 01-13-2019, 07:10 PM Thread Starter
Jr. Member
 
Join Date: Jan 2019
Posts: 16
 
The valve clearances were adjusted after head reinstallation I did it with feeler gauges, I think I was aiming a little over spec and was used to gpx 250 ball-joint rocker arms ,


this gpz is in reverse the adjusting part is directly over the valve and may have thrown me off because the manual didnt specify (gregories) where to measure from, I may, just may have measured on the Y piece under the cam lobes and not the actual adjusting point. But they all had clearance under the lobes themselves maybe a little too loose, I was used to gpx hi-revving riding winding in my valves tighter every 5.000 km instead of 10,000 so I didnt want to have to drain the coolant on the gpz to keep doing it every 5000 km cos its annoying, But you live , you learn.


I did the rings on it with the assistance of my mechanic popping in to help lower the block back on for 5minutes because you need 8 arms and 6 legs.
JJ_GPZ_600 is offline  
post #28 of 33 (permalink) Old 01-13-2019, 07:54 PM
Jr. Member
 
bigbadbass's Avatar
 
Join Date: May 2015
Location: New York
Posts: 75
    
Quote:
Originally Posted by JJ_GPZ_600 View Post
this gpz is in reverse the adjusting part is directly over the valve and may have thrown me off because the manual didnt specify (gregories) where to measure from, I may, just may have measured on the Y piece under the cam lobes and not the actual adjusting point. :
Well if you're not sure of what path you took...i certainly don't. And not being sure has costed you a "do-over".

What is "gregories"?

'95 Ducati 900SS/SP
'07 Ducati SS800
'98 Honda VFR800 FI
bigbadbass is offline  
post #29 of 33 (permalink) Old 01-13-2019, 08:17 PM Thread Starter
Jr. Member
 
Join Date: Jan 2019
Posts: 16
 
Quote:
Originally Posted by bigbadbass View Post
Well if you're not sure of what path you took...i certainly don't. And not being sure has costed you a "do-over".

What is "gregories"?

Woops i was confused, gregorys is a book maker like Haynes, i have the Haynes GPZ , i have alot of manuals so kept seeing Gregorys in my minds eye, lol, here is an example.
Attached Thumbnails
Click image for larger version

Name:	20190114_114437.jpg
Views:	6
Size:	101.2 KB
ID:	131309  
JJ_GPZ_600 is offline  
post #30 of 33 (permalink) Old 01-13-2019, 08:44 PM
Jr. Member
 
bigbadbass's Avatar
 
Join Date: May 2015
Location: New York
Posts: 75
    
Just viewed a Haynes, valve check/adjust procedure is clear as a bell. Rest assured you'll not be checking valves on either of my Ducati's anytime soon.

'95 Ducati 900SS/SP
'07 Ducati SS800
'98 Honda VFR800 FI
bigbadbass is offline  
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the KawiForums - Kawasaki Motorcycle Forums 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 On
Pingbacks are On
Refbacks are On

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