Just go for the same angle to keep it simple. Laying the shocks will soften the back end but give slightly more travel so spring rate or preload may need adjustment There's lots of variables though depending on where the bottom mounts are and length of the replacement arm. Most modern twin shock arm...

Gus wrote:Crikey

What if I want to use the standard top mounts?

Gus

If the S/A shock mounts are wider than mounts on the frame you can buy or get made some screw on extensions for the original top shock mounts.

Gus wrote:How do you calculate the position of the rear weld on mounts?
Gus

To do it with accurately you need a drilling/welding jig that triangulates off the s/a pivot and s/a shock mounts.

Thanks Phillipe, a4 has welded crank, 1045cc forged High comp pistons, tsubaski Camilla cam chain, ported head, Andrews cams, tracs heavy duty clutch, other ape bits and pieces, ideally would like to use it all in the H casings Everything will swap over. The main difference in cases is the bolt pat...

It's no big deal. Legally it's your bike and you aren't doing anything shady so just sort it whichever way you want. Just powder over it as is or either re-stamp the number yourself or take it to a dealer who may have the correct font stamps to do it. Just don't involve DVLA unless you want a load o...

Thanks everyone for replying Not sure if i'm explaining correctly but I dont need the rotor as I know they wont fit. What i'm trying to find out is will the later starter clutch from a later model (just the large gear, needle bearing and roller housing and thrust washers) bolt up to my small rotor....

Thanks zed The engine came with a rotor fitted but no starter clutch. There's one on ebay listed as KZ1100 Z1100A Z1000J GPZ1100B1 Shaft 1981-1983 Starter Clutch. Does anyone know if this will fit. Thanks David No! Only 1973 Z1's to around 1979 Z1R D1 kickstart equipped bikes (round cam cover) will...

As long as your thou doesn't have a rotor keyway all the small type rotors and clutches will fit from any Z900 to Z1000.
If it does have a keyway then you must use a keyed rotor as the smaller 8mm bolt can't stop the rotor spinning on it's own.
Clutches are the same on all small rotors.

Five bolt is for the earlier Z900/1015 pressure plate.
You would really be better off sticking an earlier steel basket in there too as they don't break when you put loads of power through them like the ally ones do.

This is the type of thing.
Popular in the car trade.
https://www.lasertools.co.uk/product/5495

warren3200gt wrote:How would you compess the valve spring to release the colletts?

You use a compressor that bolts to the top of the head.
Valve can also be kept from dropping by using compressed air instead of rope.

a 5 thou skim ( 0.0127mm ) is nothing.
Less than the variation in gasket thicknesses.
You have miles of clearance .

Hi. Dont know the history but it has been modified in places. I thought it was off an older bike. The spindle I have is 16mm tho worn. it is running a rear disc. All the spindles on the chain drive 900/1015 motor bike are "16"mm. Are you sure yours is worn as they are actually undersize a...

Those "Bob The Seat" ones are nice but to my eyes are not quite right being all foam and not having the metal in the back .
They look a little too rounded and not as sharp and tight as the original especially the profile where the actual seat meets the hump.

Original GIULIARI 2-4 seat wanted for z1000 (probably take a z900 one)
Any condition considered as i'm gonnna reshape the foam and recover.