1 & 2 are synced together, call them left bank (as you sit on the bike)
3 & 4 are synced together, call them right bank

Then via middle screw, Left bank is synced with Right bank.

 My Yam triple carbs are syncronised to carb #2 there is no sync for carb #2. My service manual for FJ says 1 and 2 are synced to each other using screw A and 3 and 4 are synced using screw C.  I dont get the part where screw B is used to sync 3 to 1 seeing as though 1 and 2 are pulling the same vacuum as 3 and 4 can someone explain why 3 to 1 needs to be done? Thanks Lez

Quote from: FJ1200W on June 20, 2025, 01:41:11 PM

Quote from: Pat Conlon on June 09, 2022, 08:33:15 AMI am impressed with the Avon 3D radials, especially the oem sized 150/80-16 back tire, even to a point of thinking that why go to the trouble of converting the rear rim over to a 17" size, when this 16" Avon handles and wears so well?

Then I'm reminded of the vast 17" selection options and if Avon ever discontinues the 150/80-16 size, you're screwed.

Still...I'm very happy with that 150/80-16 Avon radial on my '89.

"if Avon ever discontinues the 150/80-16 size, you're screwed."

And here we sit LOL!

Alas...Unfortunately yes, that Avon was a good tire but I saw the writing on the wall......so I converted my '89 over to the 17" YZF600 back rim last year.
The 170/60-17 Michelin Road 6 is also a very good rear tire.

Quote from: Pat Conlon on June 09, 2022, 08:33:15 AMI am impressed with the Avon 3D radials, especially the oem sized 150/80-16 back tire, even to a point of thinking that why go to the trouble of converting the rear rim over to a 17" size, when this 16" Avon handles and wears so well?

Then I'm reminded of the vast 17" selection options and if Avon ever discontinues the 150/80-16 size, you're screwed.

Still...I'm very happy with that 150/80-16 Avon radial on my '89.

"if Avon ever discontinues the 150/80-16 size, you're screwed."

And here we sit LOL!

Tires arrived, I am going to wear my old ones out aka there is a burnout or two in my near future.

A nice older BMW R100RS pulled into the grocery store a couple of days ago.

Out of towner, I welcome them.

Do you also can see some of the Hans Muth styling complemented by the Japanese engineers in the FJ1100 1200 series?

Pat's right

So wild, I also have been a fan of the GN400 a couple of times.....

Well done on the tank!

Quote from: RPM - Robert on June 19, 2025, 10:19:14 AMWe used to be able to get Pirellis through Western Powersports but something must be going on as they have dropped all Pirelli products.

It's turmoil unlike anything I can remember seeings. Even the sketchy backup sources, eBay, Amazon, others, are all out of stock.

I think that's a good plan. Try the Barnett/gold springs with the RPM 7/1 clutch pack with your oem FJ clutch master....see how it feels. I think you'll be fine.

Just a point of clarification, the FZ-1 uses a cable clutch, it's the FJR that uses a hydraulic clutch, and there are plenty of those on FleaBay if you want a lighter pull.

Please report back and let us know how the Barnett/oem clutch master feels.

Cheers.  Pat

Getting back to this, been a crazy time at work. So I ordered the RPM clutch pack and the Barnett coil conversion. If I find the clutch pull heavy FZ1 clutch masters on eBay are plentiful and cheap.I already have the Spiegler braided line, should be a direct swap and a good match for the R1 brake master I have.

Thanks for everyone's input.