FZ1 mod on a 1986 FJ1200

[Harvy]

Frank/Eric, do you have stock internals in the legs?...... I'm considering having mine done done with Racetech springs and valves b4 I have them shipped to Aus......your thoughts?

Harvy

[the fan]

Harvey,

Depending on what you decide to do, I can install the RT components for you. I normally get $100USD + parts to to go through a set of cartridge forks including installing the Race Tech valving. (they do most of the thinking, so its all labor at my end)

[racerman_27410]

Frank/Eric, do you have stock internals in the legs?...... I'm considering having mine done done with Racetech springs and valves b4 I have them shipped to Aus......your thoughts?

Harvy

Harvy,

I have the traxxion axxion valves in my forks.Max didnt have much good to say about the stock FZ1 valves (which are not rebuildable/tuneable) he makes a nice adapter so other valves can be fit.... does race tech also have these adapters?  you pretty much have to have them if you plan on revalving the forks.


that being said the stock FZ1 forks were still worlds better than the damper rod stock forks (emulator equipped)


KOokaloo!

Frank

[Harvy]

Bill, the parts are currently occupying "very little space" in Garth's garage.
I will look into what I need but I think this for starters:


Type 1 Gold Valve Kit – Standard Type 1 Compression Kit FMGV S2047C $399
I assume these are shipped adjusted for rider weight/intended use?

and

Fork Spring Series (pair) FRSP S3732 $109.99
Not sure what spring rate I would require, as the website calculator is calibrated on FZ1 dryweight rather than FJ.
I think around either .85 or .9 given that my OEMs with Emulators and .95 do a great job.....

AND Frank says these are far better forks in OEM configuation than mine even with the upgrade.

Thanks for the offer mate.....I'll let you know.......any comments on the above?

I would probably also eventually get an FZ1 Superbrace, as I am sold on their benefits.

Cheers
Harvy

[tqmx1]

With the weight of the FJ go with .95 if not 1.0. I have 1.0 springs in my FZ1 and I come in at about 220Lbs. and the springs are just a touch light.

[Harvy]

With the weight of the FJ go with .95 if not 1.0. I have 1.0 springs in my FZ1 and I come in at about 220Lbs. and the springs are just a touch light.

A touch light you say...... well that sounds like .95 - 1.0 would be just right for me.......I'm a lightweight at 63Kg.

Cheers
Harvy

[racerman_27410]

With the weight of the FJ go with .95 if not 1.0. I have 1.0 springs in my FZ1 and I come in at about 220Lbs. and the springs are just a touch light.

A touch light you say...... well that sounds like .95 - 1.0 would be just right for me.......I'm a lightweight at 63Kg.

Cheers
Harvy

yeah but the FJ is not a lightweight so i would go for the 1.0kg springs....and double make sure the race tech valves come with the adapter for the FZ1  ....

KOokaloo!

Frank

[the fan]

Harvy,
I have not seen the cartridges, but race tech is very good about getting the proper information to certified installers (I am one, since '92 or so) If fine tuning is necessary I am sure it wont be an issue. 1.0KG/mm springs would be the correct rate for your weight on an FJ.

Frank, what mods are necessary for the wheel to fit in the FZ1 forks, assuming you are using the FJ triples bored out to work?

Bill, the parts are currently occupying "very little space" in Garth's garage.
I will look into what I need but I think this for starters:


Type 1 Gold Valve Kit – Standard Type 1 Compression Kit FMGV S2047C $399
I assume these are shipped adjusted for rider weight/intended use?

and

Fork Spring Series (pair) FRSP S3732 $109.99
Not sure what spring rate I would require, as the website calculator is calibrated on FZ1 dryweight rather than FJ.
I think around either .85 or .9 given that my OEMs with Emulators and .95 do a great job.....

AND Frank says these are far better forks in OEM configuation than mine even with the upgrade.

Thanks for the offer mate.....I'll let you know.......any comments on the above?

I would probably also eventually get an FZ1 Superbrace, as I am sold on their benefits.

Cheers
Harvy

[Harvy]

Frank, what mods are necessary for the wheel to fit in the FZ1 forks, assuming you are using the FJ triples bored out to work?

Bill, The wheel will have to be FZ1 also I believe......I currently have a 3.5 '88 Genesis front wheel, but would like to use the FZ1 front wheel to match the one on the back ...... straight spokes as opposed to the angled FJ / Genesis wheels.
Do you know the answer to Franks question regarding the valve adapter?

Cheers
Harvy

[the fan]

I don't but will give RT a call tomorrow.

scratch that. Louie (tech manager at RT) was in the office and tells me that everything needed to install the valves in the FZ1 fork is included. (except the holder tool, which I have, and is easily replicated... He claims that it is pretty much plug and play and that we can easily adjust the valve stack to accommodate the additional weight.

[racerman_27410]

I don't but will give RT a call tomorrow.

scratch that. Louie (tech manager at RT) was in the office and tells me that everything needed to install the valves in the FZ1 fork is included. (except the holder tool, which I have, and is easily replicated... He claims that it is pretty much plug and play and that we can easily adjust the valve stack to accommodate the additional weight.

right on.... they (R/T) would have to supply everything since the stock FZ1 compression and rebound valves are riveted to the valve holder.... Max took a look at them and said they were just one step up from damper rod orifices.... of course he was trying to make the sale (and did) but to go along with his claims there was a huge difference in the fork action after we installed the axxion valves.


Kookaloo!

[racerman_27410]

Frank, what mods are necessary for the wheel to fit in the FZ1 forks, assuming you are using the FJ triples bored out to work?

Bill,

I'm using the complete FZ1 front end.... no mods necessary except boring the stock FJ triples and handlebar mounts out an extra 2mm and fitting an electronic speedometer.

i'm all about the plug and play 

[the fan]

good deal. didn't realize that the forks were on the same center lines. That makes things a lot easier.

Thanks.

[flyingbanana]

First post, I am rebuilding a 1991 3xw here in the UK's lake district, looking to fit modern tyres and brakes, whick means ditching the abs stuff, no big deal as it does'nt work anyhow, am swapping the front forks for Thundercat items and getting rid of the steel rear swingarm, this is it currently










How does the use of the Fz1 swingarm effect the chain length, I assume the stock shock, fits quite easy, unlike the thunderace one that needs machining for clearence?

[mz_rider]

Ian,

Interesting project – keep up the progress reports. I'm often down from Glasgow for a run round the Lake District. My favourite route is Carlisle, Silloth, down the coast to Eskdale then over the Hardknott, Wrynose & Kirkstone passes to Penrith for a visit to "The Little Chippie" (fish & chip shop) I suppose there must still be a lot of disruption near you due to the recent flooding and loss of bridges.

Stuart