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THIS TIME ITS A DRAGBIKE 07 Aug 2012 20:50 #541257

  • kzz1king
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LarryC wrote: Retorque the cylinder head NOW....before you run it anymore. Make sure it's stone cold when you do it. Then do it again one more time after you get some runs on it.


Larry, would you give a brief rundown on how this should be done? Might be beneficial to all. Thanks
Wayne
74 Z1 1075, 29 smoothbores, owned and ridden since 1976
Home built KZ1000 turbo setup

www.kzrider.com/forum/11-projects/532476...s-budget-turbo-build

www.kzrider.com/forum/11-projects/532489-74-z-makeover

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THIS TIME ITS A DRAGBIKE 07 Aug 2012 22:43 #541294

  • JEFFG1
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what larry is talking about is when building the motor the head bolts need to be torqued to a deteremend amount of pressure which is - stock head bolts 36 ft. pounds on a torque wrench -- heavey duty head bolts around 42 ft.lbs. after starting the motor it builds heat which makes the gaskets - gasket sealer - even the head will all settle in and there is a a chance that the head wont seal and it will leak retorqueing the bolts make sure the head is sealed. larry might go alittle deeper than this and i would listen to him but this is pretty close. class is over :woohoo:
1976 KZ 900 PRO STREET 1977 kz1000 dragbike project

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THIS TIME ITS A DRAGBIKE 08 Aug 2012 11:37 #541358

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JEFFG1 wrote: what larry is talking about is when building the motor the head bolts need to be torqued to a deteremend amount of pressure which is - stock head bolts 36 ft. pounds on a torque wrench -- heavey duty head bolts around 42 ft.lbs. after starting the motor it builds heat which makes the gaskets - gasket sealer - even the head will all settle in and there is a a chance that the head wont seal and it will leak retorqueing the bolts make sure the head is sealed. larry might go alittle deeper than this and i would listen to him but this is pretty close. class is over :woohoo:


So you back off one at a time and retorqe it?
Wayne
74 Z1 1075, 29 smoothbores, owned and ridden since 1976
Home built KZ1000 turbo setup

www.kzrider.com/forum/11-projects/532476...s-budget-turbo-build

www.kzrider.com/forum/11-projects/532489-74-z-makeover

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THIS TIME ITS A DRAGBIKE 08 Aug 2012 12:18 #541362

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no you dont back them off you just retorque them starting from the center working your way out. some or all may not move at all, but it is very easy and makes you feel better after doing it.
1976 KZ 900 PRO STREET 1977 kz1000 dragbike project

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THIS TIME ITS A DRAGBIKE 08 Aug 2012 17:53 #541428

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OK, now I remember! I wonder if there is any harm in doing so to a motor with a few thousand on the rebuild?

JEFFG1 wrote: no you dont back them off you just retorque them starting from the center working your way out. some or all may not move at all, but it is very easy and makes you feel better after doing it.

74 Z1 1075, 29 smoothbores, owned and ridden since 1976
Home built KZ1000 turbo setup

www.kzrider.com/forum/11-projects/532476...s-budget-turbo-build

www.kzrider.com/forum/11-projects/532489-74-z-makeover

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THIS TIME ITS A DRAGBIKE 08 Aug 2012 22:48 #541478

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kzz1king give it a try? i retorqued the head and took it out on the road in frt. of the house to check everything out. had to work on the carbs not all of the slides where opening at the same time, got that fixed and adjested the air screw run like a top checked the air clutch worked great nice deal pull it in hold a button let go of the lever it stay untill you let off of botton your gone. set the rev. limiter to 5400 it worked but blowed the tire loose. also tested the air shift i think it is ready to go.the only thing i didnt test was the autoshift to dangeres on the road. cant wait :woohoo:
1976 KZ 900 PRO STREET 1977 kz1000 dragbike project

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THIS TIME ITS A DRAGBIKE 09 Aug 2012 11:10 #541541

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boy this has been a week from hell or heaven all in the way you look at it, on top of me trying to get mine done 2 weeks ago my son had his at the track on the line the lite turned green and the rear wheel and hub blow up in many peices and then there was only 2 gears in the trans :ohmy: so the last 4 days we tore his motor out split the cases and replaced the trans. - shift forks the whole deal last nite at about 10.o/c got the motor back in i can see tonite will be another long one i guess thats the price you pay if your going to play.

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1976 KZ 900 PRO STREET 1977 kz1000 dragbike project
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THIS TIME ITS A DRAGBIKE 09 Aug 2012 11:42 #541542

  • les holt
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What's those gauges off of Jeff? They look good!

Les

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THIS TIME ITS A DRAGBIKE 09 Aug 2012 12:06 #541545

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Les,

I believe those are the ones that Dime City Cycles sells. www.dimecitycycles.com I have bought some really cool stuff from them. Lots of DYI components and odds & ends. They sell mechanical and electronic gauges.

Cory
2008 Kawasaki Concours 14
1999 Kawasaki ZRX1100
1976 Kawasaki KZ900

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THIS TIME ITS A DRAGBIKE 09 Aug 2012 16:55 #541583

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iam not sure what them gauges are he most likly got them off ebay
1976 KZ 900 PRO STREET 1977 kz1000 dragbike project

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THIS TIME ITS A DRAGBIKE 10 Aug 2012 15:10 #541773

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who wants to play ( pass time ) most of you have read this build and know what the bike is built with as far as motor ect. so i am taking it to the track tomarrow for the first time and if anybody would like to guess what it will run i would be intrested in what you think. then sunday i will post the time slips there is no $2000.00 to win but it might be fun to see who gets close.like they say the burnouts never lie.
1976 KZ 900 PRO STREET 1977 kz1000 dragbike project

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THIS TIME ITS A DRAGBIKE 10 Aug 2012 15:25 #541776

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10.0's at 135mph, 60 ft's in the mid 1.80's to 1.90's.

Just guessing :blush:

Les

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THIS TIME ITS A DRAGBIKE 10 Aug 2012 17:32 #541792

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Looks suppper fatt- Check out my taillight maybe get urs to sit a little better love the clear

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THIS TIME ITS A DRAGBIKE 10 Aug 2012 17:58 #541799

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i dont have a t/lamp
1976 KZ 900 PRO STREET 1977 kz1000 dragbike project

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THIS TIME ITS A DRAGBIKE 10 Aug 2012 22:03 #541849

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New motor/new chassis lots of bugs to work out before ya get going fast consistantly.
Im gonna say mid/low 11s till you get things sorted out is a good starting point,no sense in trying to break things first time out B)
posting from deep under a non-descript barn in an undisclosed location southwest of Omaha.
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THIS TIME ITS A DRAGBIKE 11 Aug 2012 18:36 #541976

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Good Luck Jeff. Hope things smooth out for you. You're due for some luck to creep in sooner or later B)
Larry C.

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THIS TIME ITS A DRAGBIKE 13 Aug 2012 17:40 #542330

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So how did it go? B)
posting from deep under a non-descript barn in an undisclosed location southwest of Omaha.

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THIS TIME ITS A DRAGBIKE 14 Aug 2012 08:53 #542495

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well it rained all day sat so we were going to go sunday. can you believe it they closed the track down sun. i think they are have money problems.. we have everything loaded so we are going to another track wed. tomarrow i will have time slips then. much nicer track norwalk raceway park they hold the nhra races there. the other track is dragway 42 i of the first 4 lane tracks in the country hope it dont go down for good that would be a shame. been around for 50 some years
1976 KZ 900 PRO STREET 1977 kz1000 dragbike project

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THIS TIME ITS A DRAGBIKE 14 Aug 2012 11:49 #542528

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42 is about an 45-50mins from me. Shoot me a PM next time you go and I might be able to meet up with you.

Later, Doug
1978 z1000 Streetfighter
1976 z900 Stripfighter (work in progress)
1983 Gpz750 Resto-Mod
1989 Vmax

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THIS TIME ITS A DRAGBIKE 14 Aug 2012 12:24 #542535

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doug, that would be great we go up there about every weekend its a rough track but you can run alot for the money :woohoo: i will let you know was going to go this weekend but it looks like rain as of now we will see.
1976 KZ 900 PRO STREET 1977 kz1000 dragbike project

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