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Z650 / 1170 Project
- Bevelhead
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28 Aug 2023 14:35 #888801
by Bevelhead
Replied by Bevelhead on topic Z650 / 1170 Project
Finally found a fairing I liked for the bike, a carbon fibre replica of that fitted to the modern Z900RS cafe. Making its mount in aluminium wasn't one of my better ideas, but got there in the end. If I ever make another it'll be made from steel. Had to make new headlight mounts to move the indicators, and space them out to clear the fairing. The painter who painted the bike is very busy as usual, so will be a few months before he can paint the fairing to match the rest of the bodywork.
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- Stereordinary
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28 Aug 2023 20:04 #888808
by Stereordinary
A breeze from the west.
‘90 ZR550 Zephyr
Replied by Stereordinary on topic Z650 / 1170 Project
Lookin’ good. Really like the ZRX swingarm on there.
A breeze from the west.
‘90 ZR550 Zephyr
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- daveo
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03 Feb 2024 12:36 #894793
by daveo
I would love to see an update on this thread,
1982 KZ1100-A2
Replied by daveo on topic Z650 / 1170 Project
Finally found a fairing I liked for the bike, a carbon fibre replica of that fitted to the modern Z900RS cafe. Making its mount in aluminium wasn't one of my better ideas, but got there in the end. If I ever make another it'll be made from steel. Had to make new headlight mounts to move the indicators, and space them out to clear the fairing. The painter who painted the bike is very busy as usual, so will be a few months before he can paint the fairing to match the rest of the bodywork.
I would love to see an update on this thread,
1982 KZ1100-A2
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- Bevelhead
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03 Feb 2024 13:21 #894795
by Bevelhead
Replied by Bevelhead on topic Z650 / 1170 Project
Not much to add, the fairing was taken to the painter last October, still haven't got it back.. it seems most painters take forever. I have a keyless ignition system from Motogadget to install, that's waiting until I have the space to work on the bike. I have a couple of other Zeds that I'm working on at the moment. The build is on YT, the last vid on the 1170 is here
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03 Feb 2024 19:16 #894807
by daveo
1982 KZ1100-A2
Replied by daveo on topic Z650 / 1170 Project
1982 KZ1100-A2
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03 Feb 2024 19:55 #894808
by Bevelhead
Replied by Bevelhead on topic Z650 / 1170 Project
What do you want to know? Pistons are 1170 forged by Wossner, flowed head to suite the Mikuni RS34 carbs, cams are Gpz1100.
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03 Feb 2024 21:46 #894809
by daveo
1982 KZ1100-A2
Replied by daveo on topic Z650 / 1170 Project
Which J motor did you start with, and does it have a welded crankshaft?
I mostly wonder how the cylinder installation went, since I have an 1170 top end coming together soon.
My research on the 1170 produced little information, except that a 75mm bore leaves minimal cylinder sleeve wall thickness.
I mostly wonder how the cylinder installation went, since I have an 1170 top end coming together soon.
My research on the 1170 produced little information, except that a 75mm bore leaves minimal cylinder sleeve wall thickness.
1982 KZ1100-A2
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- Bevelhead
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04 Feb 2024 00:29 #894811
by Bevelhead
Replied by Bevelhead on topic Z650 / 1170 Project
I started with a bare set of cases from a GPz1100B1, then bought new and used parts to complete the engine. Originally the bike had 1130 pistons, but a ring was damaged when installing the pistons (during C19 lockdown so couldn't have help). Rings were only available as a complete set at a very high price. Therefore I had the barrel bored to 1170 and fitted with new forged pistons. The engine is essentially a B1, with a big valve flowed head and yes a welded crank. The crank was pressed apart, checked, then reassembled and welded web by web. When you bore out the cylinders you do lose the bevel at the base of the sleeve, which makes fitting the pistons/rings more difficult.
My mate rebuilt the crank for me, while I didn't film that, I do have a vid of another crank being trued..
My mate rebuilt the crank for me, while I didn't film that, I do have a vid of another crank being trued..
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- Bevelhead
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06 May 2024 15:11 #898567
by Bevelhead
Replied by Bevelhead on topic Z650 / 1170 Project
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- Scirocco
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06 May 2024 16:30 #898571
by Scirocco
My 1975 Z 1 B 900 Project
www.kzrider.com/forum/11-projects/605133...ears-deep-sleep-mode
Replied by Scirocco on topic Z650 / 1170 Project
Wow, your bike is looking exellant!!!
Add it to my screen saver dia-show folder.
Add it to my screen saver dia-show folder.
My 1975 Z 1 B 900 Project
www.kzrider.com/forum/11-projects/605133...ears-deep-sleep-mode
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