Would these fit my stock '87 and be an improvement ???

[rktmanfj]

Just for information only.

This is from  http://www.fjmods.co.uk/BrakeUpgrades.htm#Anchor96821

"Earlier 84-87 FJ's can benefit from four pot calipers from a FZR400RR. This mod was discovered by Piolo Martin from Chile. To my knowledge no-one's discovered this easy modification before. Piolo reports a terrific improvement upon his original calipers."

I don't know if anyone has done this but it might be worth a look.
George

This was batted about on the old FJ lists... good luck trying to find a pair of those.

IIRC, the FZR400RR didn't even make it Stateside.

[Pat Conlon]

Unobtainable. Rare as hen's teeth.
The FZR400RR was a special edition and never imported to the US, sold only in Europe and perhaps the JDM.
I checked back in the '90's. Plenty of FZR400's out there, but the RR version was not to be found.

Save your time and effort, trust me.

[FJmonkey]

I recently read a web article that stated only about 30 FZR400RR are still registered in the UK. Rare as hen's teeth, spot on Pat...

[1tinindian]

My question is, why are we chasing phantom parts and pieces and ignoring the obvious and mostly readily available parts to get to the final solution?
89+ lower FJ forks and the stock 17" wheel, or the 3.5" FZR wheel, and the blue dots.
Problem and mystery solved.

I realize time and money have to find there way to the person doing the mods, but this has been such a well covered and proven upgrade, I'm surprised that we are even debating it.

[jscgdunn]

Lots of good info coming through, but, has anyone addressed Jeff's original question?  Was there an improvement from early to late model calipers?  What year?

Cap'n Ron. . .

Great debate.  My experience:

My son's 84 and my '92 blue spots, ss lines, original MC - two finger braking, great feel

My friends '84 ...all stock including anti-dive, original lines, no where near as good a feel as above and requires much more hand force.

Our '86 stock with anti dive eliminated, EBC high ends pads (from Pat C) - needs much more hand force for braking (calipers may not be all that good?)

Last summer  the other 92 (now the project) MC started to leak so we replaced it with a 97 YZF 600 MC ("radial"?), SS lines.  Brakes just as good as the blue spots above.

I would agree with Noel that the blue spots look better (and may be a bit lighter) but I am not sure they are much better than the original two piston FJ calipers.  But hey, looks get the chicks, right?

If the snow ever melts, I will be interested in how the six pot R1 set-up stops the old girl.  I have the 97 YZF 600 MC on it.

Jeff

[rktmanfj]

`11
>>Last summer  the other 92 (now the project) MC started to leak so we replaced it with a 97 YZF 600 MC ("radial"?), SS lines. <<

>>If the snow ever melts, I will be interested in how the six pot R1 set-up stops the old girl.  I have the 97 YZF 600 MC on it.<<

Jeff

The YZF m/c isn't radial, but it is 14mm.
No OEM R1 six-pot calipers that I'm aware of... YZF750, perhaps?     

[jscgdunn]

Jeff

[rktmanfj]

Ah, the USD ones.. okay.

Forgot about those ones.   

[movenon]

Good update and info on the FZR400RR.  I was just throwing out some information that was on the net..  I installed the blue dots this winter and will use the stock FJ MC until time and funds allow a MC upgrade.  "Avaitionfred" steered me to using a Honda GL1800 MC. The brake line fitting is forward facing so you can use the FJ lines, no urine cup, adjustable lever, and has a 14mm piston.  And for what ever it worth they make a replacement fluid cap with built in electrical switch's.  Most stuff in the digital camp fire while on the subject.

Leon is correct, just go with what works. The problem is economically locating the 88-93 lowers or building adapter plates for the older FJ lowers. The blue dots are cheap.
George

[jscgdunn]

To continue this:

What exactly is a radial MC? I did a bit of research but all I could come up with is that the urine cup style is a "radial".  Probably a poor conclusion.  When I looked at the R1 MCs they looked the same as the 1997 YZF 600 one I already had...so I stuck with it.  I understand the 2009 R1 calipers are "radial" but I could not track down a good definition of a radial MC.

Thanks,

Jeff

[Pat Conlon]

A radial master cylinder has the piston oriented in line with direction of the pull of the lever.
conventional (axial) master cylinders have the piston at right angle in direction of the pull of the lever.

Here's a good discussion: http://www.ducati.ms/forums/80-hall-wisdom/27159-conventional-axial-vs-radial-master-cylinders.html

Cheers

[RD56]

A radial master cylinder has the piston oriented in line with direction of the pull of the lever.
conventional (axial) master cylinders have the piston at right angle in direction of the pull of the lever.

Here's a good discussion: http://www.ducati.ms/forums/80-hall-wisdom/27159-conventional-axial-vs-radial-master-cylinders.html

Cheers

One thing that's hard to argue about is the beauty of the design.

[simi_ed]

A radial master cylinder has the piston oriented in line with direction of the pull of the lever.
conventional (axial) master cylinders have the piston at right angle in direction of the pull of the lever.

Here's a good discussion: http://www.ducati.ms/forums/80-hall-wisdom/27159-conventional-axial-vs-radial-master-cylinders.html

Cheers

One thing that's hard to argue about is the beauty of the design.

Or the ulgy-osity of the required urine cup/reservoir!!!

[jscgdunn]

Asked and answered!.  Thanks!

[RD56]

A radial master cylinder has the piston oriented in line with direction of the pull of the lever.
conventional (axial) master cylinders have the piston at right angle in direction of the pull of the lever.

Here's a good discussion: http://www.ducati.ms/forums/80-hall-wisdom/27159-conventional-axial-vs-radial-master-cylinders.html

Cheers

One thing that's hard to argue about is the beauty of the design.

Or the ulgy-osity of the required urine cup/reservoir!!!

Obviously, you've never been stopped on the side of the road with no place to pee.