KZR's Bikes of the Month for 2024

New project.1428 turbo or supercharged, Who knows?

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16 Nov 2012 11:08 #558624 by wireman

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B) B) B) B) B) B) B) B) B) B)

posting from deep under a non-descript barn in an undisclosed location southwest of Omaha.
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16 Nov 2012 11:08 #558625 by wireman

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B) B) B) B) B) B) B) B) B) B)

posting from deep under a non-descript barn in an undisclosed location southwest of Omaha.
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16 Nov 2012 11:25 #558627 by 531blackbanshee
Replied by 531blackbanshee on topic New project.1428 turbo or supercharged, Who knows?
you never fail to impress zed!!!!!!!!! :evil:

you sir are an inspiration


keep us posted on your progress with this badboy!!!!!!!!

leon

skiatook,oklahoma 1980 z1r,1978 kz 1000 z1r x 3,
1976 kz 900 x 3
i make what i can,and save the rest!

billybiltit.blogspot.com/

www.kzrider.com/forum/5-chassis/325862-triple-tree-custom-work

kzrider.com/forum/5-chassis/294594-frame-bracing?limitstart=0
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16 Nov 2012 17:45 #558685 by mark1122

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76 KZ, frame gusset work,1200CC.Ported by Larry Cavanaugh, 1.5mm.over intakes, Carron Pipe, ZRX12 rear end, and seat,96zx9 front end.
01 CBR600F4i Track bike.
Cobourg, Ont. Can.

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16 Nov 2012 18:00 - 16 Nov 2012 18:01 #558687 by mark1122

zed1015 wrote: Finally got the head fitted and as usual the top idler rubbers are well past their sell by date so i knocked up some billet substitutes similar to those available from APE etc.
I used the original hollow dowels from the old rubber blocks pressed in the center to lock the whole assembly together.


While i was at it with the hammers i threw together a manual tensioner from an ally offcut, some nuts and a stainless bolt with the head machined round.



Just need to degree in the cams and that's the bulk of the motor done.


what is the allen head bolt in the bottom rear corner of the head for?

76 KZ, frame gusset work,1200CC.Ported by Larry Cavanaugh, 1.5mm.over intakes, Carron Pipe, ZRX12 rear end, and seat,96zx9 front end.
01 CBR600F4i Track bike.
Cobourg, Ont. Can.

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Last edit: 16 Nov 2012 18:01 by mark1122.

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16 Nov 2012 19:25 #558704 by zed1015

mark1122 wrote: what is the allen head bolt in the bottom rear corner of the head for?


I removed all the original oil gallery blanking plugs when cleaning the engine after blasting and rather than replace them with more alloy bungs i tapped them M8 and fitted the allen bolts for future ease of cleaning.
There are three each side of the head and the one at the bottom rear is for the cross drilling between the inlet and exhaust cam feed.
There is no way to ensure that passage is clear without removing the bung.

AIR CORRECTOR JETS FOR VM CARBS AND ETHANOL RESISTANT VITON CHOKE PLUNGER SEAL REPLACMENT FOR ALL CLASSIC AND MODERN MOTORCYCLE CARBURETTORS
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17 Nov 2012 00:48 #558745 by mark1122
as usual,from u, another Great idea. B)

76 KZ, frame gusset work,1200CC.Ported by Larry Cavanaugh, 1.5mm.over intakes, Carron Pipe, ZRX12 rear end, and seat,96zx9 front end.
01 CBR600F4i Track bike.
Cobourg, Ont. Can.

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~ (k) / (z)

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17 Nov 2012 09:10 - 17 Nov 2012 09:12 #558762 by LarryC

zed1015 wrote:

mark1122 wrote: what is the allen head bolt in the bottom rear corner of the head for?


I removed all the original oil gallery blanking plugs when cleaning the engine after blasting and rather than replace them with more alloy bungs i tapped them M8 and fitted the allen bolts for future ease of cleaning.
There are three each side of the head and the one at the bottom rear is for the cross drilling between the inlet and exhaust cam feed.
There is no way to ensure that passage is clear without removing the bung.


Actually, flushing out the head oil galley is pretty easy and you don't need to drill out anything. By blocking off the stud holes with your fingers they can be flushed out with a hose after they are degreased.

Water will shoot out of the cam journal oil holes a good 4 feet.

Your engine looks GREAT! You do nice work!!

Larry C.
Last edit: 17 Nov 2012 09:12 by LarryC.

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17 Nov 2012 12:45 - 17 Nov 2012 12:48 #558795 by zed1015

LarryC wrote: Actually, flushing out the head oil galley is pretty easy and you don't need to drill out anything. By blocking off the stud holes with your fingers they can be flushed out with a hose after they are degreased.

Water will shoot out of the cam journal oil holes a good 4 feet.

Your engine looks GREAT! You do nice work!!


Thanks.

I've done hundreds of heads and wouldn't normally pull the bungs but this head had been stood a long time and there's always that nagging doubt that there's something still lurking in there, especially after blasting.

AIR CORRECTOR JETS FOR VM CARBS AND ETHANOL RESISTANT VITON CHOKE PLUNGER SEAL REPLACMENT FOR ALL CLASSIC AND MODERN MOTORCYCLE CARBURETTORS
kzrider.com/forum/23-for-sale/611992-air-corrector-jets-





Last edit: 17 Nov 2012 12:48 by zed1015.

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17 Nov 2012 21:37 #558862 by zed1015
Degreed the cams in this afternoon.
They are std so set them at 110 deg.
Might play about with the lobe centers once i've done a few miles and seen how it runs




While i had the degree disc on i took the opportunity to fit the ignition windings and rotor and set the static timing
(Aligned the yellow markings with the crank set at 10 deg btdc)



Which gave me chance to test fit the stone guard.
The finished item will be painted black





Toying with the idea of putting in a few vents ???
opinions welcome :)


AIR CORRECTOR JETS FOR VM CARBS AND ETHANOL RESISTANT VITON CHOKE PLUNGER SEAL REPLACMENT FOR ALL CLASSIC AND MODERN MOTORCYCLE CARBURETTORS
kzrider.com/forum/23-for-sale/611992-air-corrector-jets-





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17 Nov 2012 22:49 #558876 by DoctoRot

zed1015 wrote: Toying with the idea of putting in a few vents ???
opinions welcome :)


Great work as always, i think the vents would look very trick. i like the kidney shape of them as well, looks more factory than just some holes.

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18 Nov 2012 01:02 #558898 by mark1122
maybe just try a series of round holes. maybe something like 3/8" ??

76 KZ, frame gusset work,1200CC.Ported by Larry Cavanaugh, 1.5mm.over intakes, Carron Pipe, ZRX12 rear end, and seat,96zx9 front end.
01 CBR600F4i Track bike.
Cobourg, Ont. Can.

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~ ~ _- \,
~ (k) / (z)

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