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Z1000 LTD to standard

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Hard Road
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Re: Z1000 LTD to standard

#121 PostAuthor: Hard Road » Tue Nov 26, 2024 9:22 pm

kev edwards wrote:I believe the swingarm is the same length, here's my ltd, braced stock swingarm and frame, stainless Harris knockoff. 20201229_080834.jpg


nice looking bike Kev, but even yours looks to have a longer wheelbase ???? I know mines right but to my eyes it looks shorter :??

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Re: Z1000 LTD to standard

#122 PostAuthor: DeadZedDave » Tue Nov 26, 2024 11:15 pm

Swing arm length for 1000B LTD is the same as 1000A.
Gearing / rear sprocket size can change the position of the wheel spindle in the axle slot which can shorten or lengthen the wheelbase (- also chain wear / stretch) You said you had a 530 chain / sprocket set up in an earlier post and depending on sprocket sizes, this might produce a small change in axle / spindle position. Looking at your last picture it looks like your wheel spindle is toward the front of the axle slot. Maybe the wheelbase is a little shorter than typical / using 630 chain / sprockets. In 1978 when the Mk2 was launched, most UK bike press reports said the wheelbase was reduced by 3/4 inch i.e. 0.75" shorter than 1000A2/Z1R - the reality was that the Mk2 had a 35 tooth rear sprocket and the 1000A / Z1R had 33 - the swing arm was the same length as the earlier bike - surprisingly the Mk2 looked shorter according to most people but it was only the 2 tooth difference on the sprocket causing - 630 = 0.75" pitch and two extra sprocket teeth shortens the distance between spindle and swing arm pivot by 3/4 inch in both top and bottom chain run hence shorter wheelbase. When you get focused in on these details and take a critical look, small changes can sometimes look like much more to the eye of the observer ! Remember though its a 40 ofd year old bike so someone might have modified / changed the swing arm - but it's probably unlikely - 1000A and 1000B swing arm length are equal !

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Re: Z1000 LTD to standard

#123 PostAuthor: Hard Road » Wed Nov 27, 2024 10:06 am

DeadZedDave wrote:Swing arm length for 1000B LTD is the same as 1000A.
Gearing / rear sprocket size can change the position of the wheel spindle in the axle slot which can shorten or lengthen the wheelbase (- also chain wear / stretch) You said you had a 530 chain / sprocket set up in an earlier post and depending on sprocket sizes, this might produce a small change in axle / spindle position. Looking at your last picture it looks like your wheel spindle is toward the front of the axle slot. Maybe the wheelbase is a little shorter than typical / using 630 chain / sprockets. In 1978 when the Mk2 was launched, most UK bike press reports said the wheelbase was reduced by 3/4 inch i.e. 0.75" shorter than 1000A2/Z1R - the reality was that the Mk2 had a 35 tooth rear sprocket and the 1000A / Z1R had 33 - the swing arm was the same length as the earlier bike - surprisingly the Mk2 looked shorter according to most people but it was only the 2 tooth difference on the sprocket causing - 630 = 0.75" pitch and two extra sprocket teeth shortens the distance between spindle and swing arm pivot by 3/4 inch in both top and bottom chain run hence shorter wheelbase. When you get focused in on these details and take a critical look, small changes can sometimes look like much more to the eye of the observer ! Remember though its a 40 ofd year old bike so someone might have modified / changed the swing arm - but it's probably unlikely - 1000A and 1000B swing arm length are equal !


thanks Dave, yeah the spindle is quite forward in its slot, the 530 chain and sprocket kit was a direct fit but i did think the chain could of been a link or two longer !!!! I'm changing the swinger on my GSX1100 to a 1200 bandit one so i can fit a 5.5inch rear wheel, so i might use the GSX swinger in the zed. it is about 40 odd mm longer so will need a longer chain !!!!

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Re: Z1000 LTD to standard

#124 PostAuthor: DeadZedDave » Wed Nov 27, 2024 11:46 am

I thought you said it was done for now ! GSX swingarm in the old Zed - I did that back in '82 but didn't like the way it changed the handling ! It looked good though.....but that was because it was an alloy swingarm or at least thats how I saw it at the time - polished up well. You'll need some more new shocks with the forked lower mount or just modify the arm to bolt up to the Zed shocks.... Theres lots of modern 'arms that'll fit e.g. Zephyr but to be honest I prefer to go shorter - looks a bit odd to most people but goes around corners better..... longer 'arms were good for the drag strip but with the Streetfighter craze in the 90's they made a popular "look" and its like that "look" is what most people now think of for a modified Zed. Back in the 70's when people raced them around the track you'd almost never see a longer swingarm - some cut the legs in half and slotted in smaller thicker "sleeve" tubes inside and welded them up for strength - some made them a bit shorter at the same time, some used Z650 'arms (and front fork yokes with shorter offset). With some frame bracing the old Zed will go through the twisty bits a lot better but it'll be less stable at high speed.
As I keep saying though, its your bike, you can do what you want !
Will look out for updates and look forward to seeing how it turns out....

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Re: Z1000 LTD to standard

#125 PostAuthor: Hard Road » Wed Nov 27, 2024 1:20 pm

DeadZedDave wrote:I thought you said it was done for now ! GSX swingarm in the old Zed - I did that back in '82 but didn't like the way it changed the handling ! It looked good though.....but that was because it was an alloy swingarm or at least thats how I saw it at the time - polished up well. You'll need some more new shocks with the forked lower mount or just modify the arm to bolt up to the Zed shocks.... Theres lots of modern 'arms that'll fit e.g. Zephyr but to be honest I prefer to go shorter - looks a bit odd to most people but goes around corners better..... longer 'arms were good for the drag strip but with the Streetfighter craze in the 90's they made a popular "look" and its like that "look" is what most people now think of for a modified Zed. Back in the 70's when people raced them around the track you'd almost never see a longer swingarm - some cut the legs in half and slotted in smaller thicker "sleeve" tubes inside and welded them up for strength - some made them a bit shorter at the same time, some used Z650 'arms (and front fork yokes with shorter offset). With some frame bracing the old Zed will go through the twisty bits a lot better but it'll be less stable at high speed.
As I keep saying though, its your bike, you can do what you want !
Will look out for updates and look forward to seeing how it turns out....


yeah it is done for now !!! im talking next year sometime for any more mod's.
ive been meaning to fit the bandit swinger to the GSX for a while now so i can use a 5.5inch wheel, so thats my project over winter. then the GSX swinger is free to use in the zed so i can get a wider wheel or rim in, ideally a wider spoke rim (not as wide as the GSX) but then theirs the extra expense ( rim/tyre/spokes etc ) but i do have a spare set of 600 bandit wheels and other bits. also a few sets of shocks I can use.
the GSX swinger is only 40mm longer than the zed overall, but i can keep the wheel further forward in the swinger so the wheel base won't be much longer than standard, maybe 20mm ish give or take. i could even lengthen the slot so the wheel is further forward but the few extra mm wont make a big difference.

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Re: Z1000 LTD to standard

#126 PostAuthor: DeadZedDave » Wed Nov 27, 2024 2:11 pm

:up Sounds like a plan

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Re: Z1000 LTD to standard

#127 PostAuthor: Hard Road » Wed Nov 27, 2024 2:18 pm

DeadZedDave wrote::up Sounds like a plan


just been for a very very cold ride and took some better pic's while i was out, front of the engine is now covered in cow shit :( so off to clean it :roll: but a better angle and the bike look right :D

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Re: Z1000 LTD to standard

#128 PostAuthor: DeadZedDave » Wed Nov 27, 2024 3:56 pm

Looks like a fine day on the West coast - you can bet your pension its going to be cold at this time of year!
Bike looks fine - not abnormally short to my eye - perhaps the low slung exhaust system changes the perception of length to make the bike look short - though as I say I'm not really seeing it ....
On the plus side, if you had a 4 into 1 fitted right now, all of that cow shit you mentioned would be stuck between the four header pipes under the motor in front of the collector and probably baked on with the heat....

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Re: Z1000 LTD to standard

#129 PostAuthor: Hard Road » Wed Nov 27, 2024 4:20 pm

DeadZedDave wrote:Looks like a fine day on the West coast - you can bet your pension its going to be cold at this time of year!
Bike looks fine - not abnormally short to my eye - perhaps the low slung exhaust system changes the perception of length to make the bike look short - though as I say I'm not really seeing it ....
On the plus side, if you had a 4 into 1 fitted right now, all of that cow shit you mentioned would be stuck between the four header pipes under the motor in front of the collector and probably baked on with the heat....


yeah a nice day here but bloody cold :( yeah bike does look right, i think it was just the angle of the pic's.
by the time i got back home the cow shit was pretty baked on !!!! but some hot water soon got most of it off :D

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Re: Z1000 LTD to standard

#130 PostAuthor: DeadZedDave » Wed Nov 27, 2024 6:20 pm

:lol:

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Re: Z1000 LTD to standard

#131 PostAuthor: Sifu » Mon Dec 02, 2024 4:15 am

:up

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Re: Z1000 LTD to standard

#132 PostAuthor: Hard Road » Thu Jan 09, 2025 1:25 pm

new (used) exhaust fitted, sounds much better :D its a mix and match, headers are Delkevic and the end can is a Kerker, ive got a badge coming for the can that i'll rivet on. looks more fitting for the style of bike.

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Re: Z1000 LTD to standard

#133 PostAuthor: ollie » Thu Jan 09, 2025 2:20 pm

Looks stunning my friend :wink
zedsrus:"i don't know man ,i just got here myself !!"

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Re: Z1000 LTD to standard

#134 PostAuthor: Hard Road » Thu Jan 09, 2025 3:19 pm

ollie wrote:Looks stunning my friend :wink


cheers Ollie :)

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Re: Z1000 LTD to standard

#135 PostAuthor: DeadZedDave » Fri Jan 10, 2025 7:17 pm

Great job ! This is how they looked back in the late 70's - no one was interested in counting the rivets back then - this one would have looked right at home outside of the pub in '78.... Hope you'll call it done now ? I always say "your bike you can do what you want" but don't spoil it - too good for that. Great transformation.....


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