project has been slow but trying to gather a selection of bits a pieces to put a rolling chassis together...Anyway I have an XJR1300 swingarm that needs a slight chop to get it to fit. I decided to have a practice with some aluminium tube and jig made using 3D printer. The results were OK so I decid...

Why do you want to use a zrx stem, I used a j stem pressed into billet yoked for my Lawson. Not sure iff a zrx stem would fit. Rob As far as my investigating goes it shows that both J and ZRX share the same sized steering head bearings hence it seemed an easy route to go rather than have billet yok...

I'm looking at fitting a ZRX steering stem to a Z1000J frame and wanted to know if there are any differences in the top yoke design between the 1100 & 1200 models. I'm not worried about fittings for ignition or instruments, I would like confirmation on the geometry for the forks. ie can you have...

Clutch friction plate is in back to front, others also perhaps. Outer dished part of the sprocket lock mechanism is on back to front. It has a double hex which locks the head of the bolt. You can masking tape across the front face of the rotor drum after a good clean up and fill the gap with ordina...

Split done & mock-up of parts:- Split done with clutch basket and alternator still attached, thanks for the help on that one. This is the first chance I've had to put the engine in the frame with the engine mounts supplied by Z1OC member. Thankfully the engine fits correctly into the frame witho...

Bottom end work. The alternator rotor was covered in hard red sealant / glue. The sump pan was full of the red bits that had dropped off the rotor. I guess this is a replacement magnet that someone has attached to rotor with the red stuff? Anyone come across this before? First time I've used the eng...

That is a great looking bike and thanks for sharing the excellent photos and all the mods you've done.

I hope the track day goes well.

I have finally started work on the engine disassembly, after spending most of this year so far on DIY work around the house. Here are some pictures of recent progress and a few comments. The head refused to budge, instead the barrels wanted to come off with the head. I tried tapping in various place...

Many thanks for your help and advice zed1015 & Al.
I'll see how it goes over the next few day.

Hi, just need some advice / confirmation regarding the splitting of the crankcases on a Z1000J. I've removed most of the outer cases and their parts with the exception of the alternator rotor(& starter clutch assembly) and the clutch hub. Can I proceed to split the cases with these two items sti...

Bike has been sold.

I am putting up for sale my Z1B, first registered by "Russells's Motorcycles" of Loughborough in August 1975. I'm the 10th owner of the bike and I have owned the bike for 12 years. This Z1B has the correct engine and frame numbers corresponding to its first registration document. I have a ...

Luck must be on your side..... last time I tried to remove an M6 by drilling and using an easyout it split the "shell" of the M6 and cracked the aluminium boss .... This was a long time ago so the pain has subsided a bit ! We all have to remember that 30 years ago, our 40 odd year old &qu...

I've just taken the check valve out of my old GPZ1100 tank and intend to replace it with a blank plug. Can anyone confirm the thread type and pitch, it is looking something like 14mm with 1.25 pitch. If so then there must be an o-ring to seal also, any suggestion on appropriate size? Thanks for look...

I decided that after more than 3 years it was time to start a new project, slowly. The idea is to use a Z1000J engine and frame and then upgrade to more modern running gear, wheels, swing arm, brakes, electrics, wiring... I've always liked the Z1000R2 having owned one from 1987 to 1992 and have fond...