bad day

  • hardr0ck68
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12 Jun 2006 17:46 #54051 by hardr0ck68
bad day was created by hardr0ck68
:( well i have had much better days. I picked up $150.00 worth of parts from Jeff; and i have ordered about another 300 in parts for my project 650. Yeah i know thats way more than she is worth; but i want a project as much as a bike; and bringing her back from the dead has been fun.


Unfortunatly today i ran into a snag. I a screw broke off in the intake (i was putting on fresh carb boots) and when i used an easy out to remove it the friggin bolt hole cracked down the side. So yeah it broke off; so not cylinder #1 intake boot cannot be mounted.


Long and short of it is i think i need a new head. This sucks; because that head (while old, ugly and with 30,000 miles) was all set and shimmed and ready to go. Now it looks like my project will be even LONGER (i was hoping to be on the road in two or three weeks....).

Sigh. Any sugestions? (i will post pics later; when i find some motivation...)

1977 kz650 c1

bought it because I was told it would never run again...I like to prove people wrong.

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12 Jun 2006 18:30 #54086 by Willo46
Replied by Willo46 on topic bad day
How bad's she look? Do the pieces fit together? May be possible to get it welded and tapped.

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12 Jun 2006 18:51 #54096 by DanOz7Five0
Replied by DanOz7Five0 on topic bad day
I actually did almost the same thing. I put the silicon on the holder then bolted it on the head, packed it with JB and I still had to fight to get it off this past spring.

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12 Jun 2006 18:57 #54098 by The Milkman
Replied by The Milkman on topic bad day
I did the same thing too, is it the lower hole or the upper?

78 650-C2, Stock engine, Jardine 4-2 Exh., 17-38 sprockets, dyna ignition and coils, coil wiring mod, carb mod.

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12 Jun 2006 19:28 #54103 by hillclimber
Replied by hillclimber on topic bad day
Take it to someone who can TIG weld Good ..grind or file it down and retap..a good welder can save the day...

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12 Jun 2006 20:20 #54112 by hardr0ck68
Replied by hardr0ck68 on topic bad day
Yes i have the peice that broke off and it fits well, also its the upper hole.

I thought about going the jb weld route; espacally because i would eventually like to replace this top end with a 750 gpz. But im really trying hard not to do anything on this bike half assed... not to say it is not effective; just not the type of repair i want to do.


Now having it tig welded is an idea. Im just wondering how much that will run me? Used heads are on ebay right now for around 100ish but then i would need to reshim and who knows the condition of the threads...sigh.

ONE STUPID SCREW had to go and ruin the whole day :unsure:

1977 kz650 c1

bought it because I was told it would never run again...I like to prove people wrong.

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12 Jun 2006 21:07 #54129 by kx_125_pilot
Replied by kx_125_pilot on topic bad day
bummer.....i would say get it tigged

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13 Jun 2006 05:18 #54148 by BSKZ650
Replied by BSKZ650 on topic bad day
take it to a welder, it wont cost that much, should be less than a new one. take the intake with you also so they can get the bolt pattern right

77 kz650, owned for over 25 years
77 ltd1000, current rider
76 kz900, just waiting
73 z1,, gonna restore this one
piglet, leggero harley davidson
SR, Ride captian, S.E.Texas Patriot Guard Riders.. AKA KawaBob

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13 Jun 2006 10:46 #54213 by hardr0ck68
Replied by hardr0ck68 on topic bad day
well today got 100% worse.

In trying to get the head to seperate from the jugs i broke 2 fins on my previously perfect motor (both on the jugs) and then instead of getting the head off the base gasket went and now i have the jugs/head togeather and off of the pistons.

This motor ran; it wan not perfect but hell i just wanted it to last for a year so i could ride. this is my first bike. Sigh. I want to start smashing shit now...


so now at the very least if i want to ride it with a head that needed rebuilding origionally (but worked good enough for now) i need to

still get it off the jugs
live with jugs with 2 broken fins
replace the base gasket
get the pistons back in the jugs without breaking a ring
take the jacked up head to a welder and pay $100 to ge t the friggin thing welded; and hopefully hes nice enough to drill and tap it for me.

maybe i will just part the friggin thing and buy something new. i have spent 1000+ on it already....i had about another 500 to go before i got it ride able, now this.

1977 kz650 c1

bought it because I was told it would never run again...I like to prove people wrong.

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13 Jun 2006 10:52 #54217 by BSKZ650
Replied by BSKZ650 on topic bad day
been there done that, dont you just love the school of hard knocks!!!!!!!!!!!!

77 kz650, owned for over 25 years
77 ltd1000, current rider
76 kz900, just waiting
73 z1,, gonna restore this one
piglet, leggero harley davidson
SR, Ride captian, S.E.Texas Patriot Guard Riders.. AKA KawaBob

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13 Jun 2006 11:07 #54222 by wireman
Replied by wireman on topic bad day
yeah ive got several degrees from there myself!:whistle: :woohoo: i went to good ol "screw u "

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13 Jun 2006 11:09 #54224 by Duck
Replied by Duck on topic bad day
hardr0ck68 wrote:

still get it off the jugs
live with jugs with 2 broken fins
replace the base gasket
get the pistons back in the jugs without breaking a ring
take the jacked up head to a welder and pay $100 to ge t the friggin thing welded; and hopefully hes nice enough to drill and tap it for me.


For future reference, the manual should show pry points for getting head off block. Sometimes a rubber mallet helps. Removing ALL the fasteners makes it much easier ;-)

Fins can be welded. Once the welder is set up and running it's not much extra work/cost.

Base gasket is easy to cut by hand with 'exacto' knife.

If welder is not set up...file, drill, tap can easily be done by hand with the head off.

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