That really is top work and is looking like it grew there!
Have you got firmed up plans for the rest of the motor? What are you looking for in terms of performance/rideability?
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Double the troublezz. AMA style Racecrafters Z1000 and Moriwaki Z1R Turbo.
Moderators: paul doran, Taffus, KeithZ1R, chrisu
Re: Double the troublezz. AMA style Racecrafters Z1000 and Moriwaki Z1R Turbo.
I've got all the motor parts , i just need to do the work and build it.
Spec is .
MK2 welded crank, undercut gearbox with billet second,1075 wisecos, ported j head with 38/33 oversize stainless valves, ti retainers ,race valve springs,unitrack cams,Hahn boost retard ign , Mikuni HSR42 carb , race alternator , endurance deep sump and 40% extra flow Turbomaxx oil pump plus a few other bits and modifications.
This engine is a better spec than the one i built for the Orient express so 250hp should be a doddle but i do intend on riding it regular and doing all the bike nights and rallies etc so i'll not be going daft on the boost and i really just wanted to build something different to all the other Z1R turbo/Moriwaki inspired bikes out there.
Hopefully it should ride like a normal-ish Zed but handle a lot better with all the chassis mods and stuff.
Spec is .
MK2 welded crank, undercut gearbox with billet second,1075 wisecos, ported j head with 38/33 oversize stainless valves, ti retainers ,race valve springs,unitrack cams,Hahn boost retard ign , Mikuni HSR42 carb , race alternator , endurance deep sump and 40% extra flow Turbomaxx oil pump plus a few other bits and modifications.
This engine is a better spec than the one i built for the Orient express so 250hp should be a doddle but i do intend on riding it regular and doing all the bike nights and rallies etc so i'll not be going daft on the boost and i really just wanted to build something different to all the other Z1R turbo/Moriwaki inspired bikes out there.
Hopefully it should ride like a normal-ish Zed but handle a lot better with all the chassis mods and stuff.
Re: Double the troublezz. AMA style Racecrafters Z1000 and Moriwaki Z1R Turbo.
Please keep the posts coming with loads of photos.
The dyno printout will be very interesting and I can’t imagine how nippy it will be.
A few years ago I supercharged a 2300cc Triumph Rocket three and mapped it for a sensible 239BHP at the back wheel and that was nippy but probably twice as heavy as your Z so yours will be a real monster!
The dyno printout will be very interesting and I can’t imagine how nippy it will be.
A few years ago I supercharged a 2300cc Triumph Rocket three and mapped it for a sensible 239BHP at the back wheel and that was nippy but probably twice as heavy as your Z so yours will be a real monster!
Re: Double the troublezz. AMA style Racecrafters Z1000 and Moriwaki Z1R Turbo.
Christmas come early for the turbo.
Brand new Mikuni HSR42.
Had a difficult choice to make (NOT).
£317 delivered direct to my door from the states or a ridiculous £460 from round the corner in the UK.
Only fly in the ointment is that i can't proceed any further until the inlet boot turns up from Hogparts UK which is just 100 miles away and i ordered two days before buying this from the states .. What a joke !
Brand new Mikuni HSR42.
Had a difficult choice to make (NOT).
£317 delivered direct to my door from the states or a ridiculous £460 from round the corner in the UK.
Only fly in the ointment is that i can't proceed any further until the inlet boot turns up from Hogparts UK which is just 100 miles away and i ordered two days before buying this from the states .. What a joke !
Re: Double the troublezz. AMA style Racecrafters Z1000 and Moriwaki Z1R Turbo.
Another addition to the parts pile.
Neither bike has any brake or clutch controls and i've been scouring Ebay etc for months and months for decent hydraulic cylinders that don't have road rash or covered in fur with snapped levers and still priced like they were made of gold when these popped up on Wed night.
A flawless pair of absolutely mint Nissin radial master cylinders from a 4000 mile ZX14R which the owner had going spare due to a Brembo upgrade and had a reasonable buy it now price for both rather that splitting them up.
These are going on the Racecrafers bike which i want to get finished first and hopefully the radial brake will get the best out of the six pot ZX7r Tokico calipers i have.
Just need to find something very similar now for the Z1R .
Neither bike has any brake or clutch controls and i've been scouring Ebay etc for months and months for decent hydraulic cylinders that don't have road rash or covered in fur with snapped levers and still priced like they were made of gold when these popped up on Wed night.
A flawless pair of absolutely mint Nissin radial master cylinders from a 4000 mile ZX14R which the owner had going spare due to a Brembo upgrade and had a reasonable buy it now price for both rather that splitting them up.
These are going on the Racecrafers bike which i want to get finished first and hopefully the radial brake will get the best out of the six pot ZX7r Tokico calipers i have.
Just need to find something very similar now for the Z1R .
Re: Double the troublezz. AMA style Racecrafters Z1000 and Moriwaki Z1R Turbo.
zed1015 wrote:Another addition to the parts pile.
Neither bike has any brake or clutch controls and i've been scouring Ebay etc for months and months for decent hydraulic cylinders that don't have road rash or covered in fur with snapped levers and still priced like they were made of gold when these popped up on Wed night.
A flawless pair of absolutely mint Nissin radial master cylinders from a 4000 mile ZX14R which the owner had going spare due to a Brembo upgrade and had a reasonable buy it now price for both rather that splitting them up.
These are going on the Racecrafers bike which i want to get finished first and hopefully the radial brake will get the best out of the six pot ZX7r Tokico calipers i have.
Just need to find something very similar now for the Z1R .
20230617_113807.jpg
I had just started trawling looking for a nice pair myself, I noticed those. Nice find.
"Be on good terms with all persons. Speak your truth quietly and clearly, and listen to others; even the dull and ignorant. They, too, have their story."
Re: Double the troublezz. AMA style Racecrafters Z1000 and Moriwaki Z1R Turbo.
Finally after over a month i have the HSR manifold so i can get on and make an adaptor for the turbo and also a couple of other bits for the parts stash but what a game it has been.
I originally ordered the HSR manifold from Hogpart's Cannock UK two days before buying the carb from Niche in the US ( Niche USA carb price £316 delivered, Hogparts £450 ) so i'd get the manifold early and the adaptor made ready for the carb arriving but 3 weeks later there was no sign of the manifold and no response from Hogparts.
The same goes for Allens performance from whom i'd ordered a main jet from three weeks ago so last week after getting refunds from both through paypal dispute i ordered the lot from Niche on the 26th and they arrived this morning, straight to my door with no customs and cheaper than either Allens or Hogparts..
On top of this i bought a set of 1000J manifolds from Legend Motorcycles only because the photo on the Ebay listing showed them as high quality made in Japan parts which i have used in the past but on arrival they were the cheapest Chinese crap you have ever seen with bendy alloy flanges instead of steel and a very restrictive 28mm bore ( instead on 33m ) which can be had on Amazon for £12.60 a set if you wanted to waste some cash...
Refund time again then bought Genuine from ZPOWER which with the club discount weren't too much more than the Legend ones.
So a bit of a warning ..
If dealing with Hogparts, DON'T! They are the worse bunch i have ever dealt with.
Don't hold your breath when dealing with ALLENS, their service has gone down hill fast.
Watch out when ordering from Legend as you may not get what you pay for and there's something funny going on with their feedback as my scathing negative feedback has disappeared and the misleading listing remains unchanged.
Hopefully things will go a little quicker from now on
I originally ordered the HSR manifold from Hogpart's Cannock UK two days before buying the carb from Niche in the US ( Niche USA carb price £316 delivered, Hogparts £450 ) so i'd get the manifold early and the adaptor made ready for the carb arriving but 3 weeks later there was no sign of the manifold and no response from Hogparts.
The same goes for Allens performance from whom i'd ordered a main jet from three weeks ago so last week after getting refunds from both through paypal dispute i ordered the lot from Niche on the 26th and they arrived this morning, straight to my door with no customs and cheaper than either Allens or Hogparts..
On top of this i bought a set of 1000J manifolds from Legend Motorcycles only because the photo on the Ebay listing showed them as high quality made in Japan parts which i have used in the past but on arrival they were the cheapest Chinese crap you have ever seen with bendy alloy flanges instead of steel and a very restrictive 28mm bore ( instead on 33m ) which can be had on Amazon for £12.60 a set if you wanted to waste some cash...
Refund time again then bought Genuine from ZPOWER which with the club discount weren't too much more than the Legend ones.
So a bit of a warning ..
If dealing with Hogparts, DON'T! They are the worse bunch i have ever dealt with.
Don't hold your breath when dealing with ALLENS, their service has gone down hill fast.
Watch out when ordering from Legend as you may not get what you pay for and there's something funny going on with their feedback as my scathing negative feedback has disappeared and the misleading listing remains unchanged.
Hopefully things will go a little quicker from now on
- PICT0319.JPG (238.04 KiB) Viewed 141351 times
Re: Double the troublezz. AMA style Racecrafters Z1000 and Moriwaki Z1R Turbo.
Now that i've got the manifold i can see what has to be done to mount it to the turbo.
The mounting holes are too wide for the flange so an adaptor needs making.
First job was to blank off the old M6 and 1/4" mounting holes from previous uses as they overlapped where the new ones needed to be and most were stripped anyway.
They were drilled out larger, tapped to M8 and plugged with some tight fitting and loctited threaded alloy bar. .
Which were lightly milled flush so there's a fresh flat surface to work off
Then made up this mount with four evenly spaced 6mm holes for the mounting bolts and two m8 threaded holes for the manifold.
It also has a location spigot to keep the mount central and sleeves the turbo inlet to the same size as the carb bore
Which was then bolted to the freshly drilled and threaded turbo flange once i'd established the correct position
Manifold bolts straight on perfectly but unavoidably overlaps the countersunk m6 cap heads which may cause sealing issues
So came up with this cover plate with a snug fitting recess on the back for accurate alignment
Which provides a clean unbroken sealing surface
And will be secured by the two 8mm manifold bolts and m6's either side
Will just need a couple of thin paper gaskets between the joint faces to make sure it's leak free.
And then back on the bike with the carb for mock up to check clearance for fuel tap and cables etc .
The mounting holes are too wide for the flange so an adaptor needs making.
- PICT0334.JPG (211.1 KiB) Viewed 141280 times
First job was to blank off the old M6 and 1/4" mounting holes from previous uses as they overlapped where the new ones needed to be and most were stripped anyway.
They were drilled out larger, tapped to M8 and plugged with some tight fitting and loctited threaded alloy bar. .
- PICT0327.JPG (263.08 KiB) Viewed 141280 times
Which were lightly milled flush so there's a fresh flat surface to work off
- PICT0328.JPG (263.85 KiB) Viewed 141280 times
Then made up this mount with four evenly spaced 6mm holes for the mounting bolts and two m8 threaded holes for the manifold.
It also has a location spigot to keep the mount central and sleeves the turbo inlet to the same size as the carb bore
- PICT0322.JPG (174.38 KiB) Viewed 141280 times
- PICT0323.JPG (151.76 KiB) Viewed 141258 times
Which was then bolted to the freshly drilled and threaded turbo flange once i'd established the correct position
- PICT0330.JPG (266.53 KiB) Viewed 141280 times
Manifold bolts straight on perfectly but unavoidably overlaps the countersunk m6 cap heads which may cause sealing issues
- PICT0338.JPG (168.57 KiB) Viewed 141280 times
So came up with this cover plate with a snug fitting recess on the back for accurate alignment
- PICT0341.JPG (218.01 KiB) Viewed 141280 times
Which provides a clean unbroken sealing surface
- PICT0342.JPG (200.29 KiB) Viewed 141280 times
And will be secured by the two 8mm manifold bolts and m6's either side
- PICT0347.JPG (217.38 KiB) Viewed 141280 times
Will just need a couple of thin paper gaskets between the joint faces to make sure it's leak free.
- PICT0345.JPG (174.38 KiB) Viewed 141280 times
And then back on the bike with the carb for mock up to check clearance for fuel tap and cables etc .
Last edited by zed1015 on Tue Jul 18, 2023 3:56 pm, edited 3 times in total.
Re: Double the troublezz. AMA style Racecrafters Z1000 and Moriwaki Z1R Turbo.
That’s looking really good. There’s a lot of work gone into fitting that manifold!
Re: Double the troublezz. AMA style Racecrafters Z1000 and Moriwaki Z1R Turbo.
r3sc wrote: There’s a lot of work gone into fitting that manifold!
Yes! It's always the simple looking jobs that end up being more complicated than they first appear..
Re: Double the troublezz. AMA style Racecrafters Z1000 and Moriwaki Z1R Turbo.
Nearly there with all the frame welding jobs on the Racecrafters and it shouldn't be long now before the dry build is done .
Came up with four captive nut frame tags to take a minimal underseat tray which will house the reg/rec and starter solenoid
And then machined up and welded on a couple of extensions to the right hand rear engine mount frame bolt holes to take a plate and alignment spacers for the rear brake master cylinder
And once i'd made a pushrod extender the brake linkage is complete.
Just waiting on a little gas strut to use as a seat prop which may or may not need a mount welding to the frame and then it can get pulled apart for powdercoating and start the rebuild.
Came up with four captive nut frame tags to take a minimal underseat tray which will house the reg/rec and starter solenoid
And then machined up and welded on a couple of extensions to the right hand rear engine mount frame bolt holes to take a plate and alignment spacers for the rear brake master cylinder
And once i'd made a pushrod extender the brake linkage is complete.
Just waiting on a little gas strut to use as a seat prop which may or may not need a mount welding to the frame and then it can get pulled apart for powdercoating and start the rebuild.
Last edited by zed1015 on Wed Jul 26, 2023 10:00 am, edited 1 time in total.
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Z1streetfighter71
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Re: Double the troublezz. AMA style Racecrafters Z1000 and Moriwaki Z1R Turbo.
That bike is going to be on another level! an super fun way to loose all the points on a license 
Re: Double the troublezz. AMA style Racecrafters Z1000 and Moriwaki Z1R Turbo.
Ebay gas strut arrived ( 200MM full extended length, 60mm travel ) so after a bit of guesstimation i brazed in a threaded boss into the frame gusset for one end and welded a strengthening web on the rear hinge with a 8mm hole to take the other and voila! one self opening seat ( once you've turned the latch )..
These are rated in Newtons which didn't mean too much to me for this application so bought the softest 100n version just to get the mount positions worked out and at under £8 each it wasn't going to break the bank if i needed a stronger one .
As luck would have it the 100n works just fine and i just had to make a 50mm rod extension to make the most of the rams full travel and get maximum lift of the seat.
My son took a video of it in action but his phones mp4 vid won't load onto the forum so all i could do was post a frame or two from it.
I'm now looking for someone who can recover the modified seat to look like the original 2-4's embossed vinyl which is proving harder than i thought.
These are rated in Newtons which didn't mean too much to me for this application so bought the softest 100n version just to get the mount positions worked out and at under £8 each it wasn't going to break the bank if i needed a stronger one .
As luck would have it the 100n works just fine and i just had to make a 50mm rod extension to make the most of the rams full travel and get maximum lift of the seat.
My son took a video of it in action but his phones mp4 vid won't load onto the forum so all i could do was post a frame or two from it.
I'm now looking for someone who can recover the modified seat to look like the original 2-4's embossed vinyl which is proving harder than i thought.
Last edited by zed1015 on Wed Aug 16, 2023 9:38 pm, edited 1 time in total.
Re: Double the troublezz. AMA style Racecrafters Z1000 and Moriwaki Z1R Turbo.
Another piece of the puzzle made today and another job for the milling machine to earn it's keep.
Chunk of 20mm ally fashioned into a splitter block for the external cam oil feeds which mounts to the head with the middle two cam cover bolts.
The mounting holes were counter bored and the wider upstands machined with a reduced diameter at one end and pressed in to make it one assembly .
Then once test fitted the sides were milled at a slight downward angle so that the hose fittings miss the frame tubes and underside of the tank
Top side of the holes were counterbored to sink the heads of the cap head bolts flush
Neat an6 swivel banjo with stainless m14 threaded centre was perfect for taking the main feed off the end of oil gallery.
I was initially going to run this from the pressure switch but routing the feed hose between the carbs was tight and would have made removal of the assembly awkward for doing the shims etc
And the head was drilled, spot faced and tapped m10 to take the an4 adaptors
Just enough room to allow the complete assembly to slip in and i made it offset to the rear to allow clearance for the 8 plug leads that will eventually fire the motor.
Chunk of 20mm ally fashioned into a splitter block for the external cam oil feeds which mounts to the head with the middle two cam cover bolts.
- PICT0385.JPG (258.6 KiB) Viewed 140886 times
The mounting holes were counter bored and the wider upstands machined with a reduced diameter at one end and pressed in to make it one assembly .
Then once test fitted the sides were milled at a slight downward angle so that the hose fittings miss the frame tubes and underside of the tank
- PICT0382.JPG (180.36 KiB) Viewed 140886 times
Top side of the holes were counterbored to sink the heads of the cap head bolts flush
- PICT0381.JPG (228.36 KiB) Viewed 140886 times
- PICT0376.JPG (208.65 KiB) Viewed 140886 times
Neat an6 swivel banjo with stainless m14 threaded centre was perfect for taking the main feed off the end of oil gallery.
I was initially going to run this from the pressure switch but routing the feed hose between the carbs was tight and would have made removal of the assembly awkward for doing the shims etc
- PICT0392.JPG (287.63 KiB) Viewed 140886 times
And the head was drilled, spot faced and tapped m10 to take the an4 adaptors
- PICT0384.JPG (288.61 KiB) Viewed 140886 times
Just enough room to allow the complete assembly to slip in and i made it offset to the rear to allow clearance for the 8 plug leads that will eventually fire the motor.
- PICT0373.JPG (247.09 KiB) Viewed 140886 times
- PICT0372.JPG (288.04 KiB) Viewed 140886 times
- PICT0371.JPG (298.6 KiB) Viewed 140886 times
Last edited by zed1015 on Sun Aug 06, 2023 2:10 pm, edited 2 times in total.
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