Hopefully this answers some of the questions asked above.
Coil Conversion Option
Dual Coil ABS System
Equal force system
Description
One spring sits inside the positive air chamber using the stock air cap with adjustable preload.
The other spring sits on top of the open bath damper...
Are you sure the bottom-out bumper has been removed. Sorry for the confusion about the amount it is off-center, yes if it is this far-off then it will need to be sanded a bit more but still should only take about 5 minutes to clean it up with 80 grit.
First of all the cartridge is barely off center, the fork bends back and forth more that this under normal riding conditions, so fine tuning the casting bottom is really an option and not necessary. It will actually only take 5 minutes to fix if you try the sand paper trick, don't see why it...
You will see the sanded area start out as a half moon then as you continue the sanded area will form a full circle, now you know the high spot is flat and you are done now.
The lower castings on some Boxxers are not square and flat at the bottom of the casting, this is causing misalignment with the ABS cone and oil-lock ring. It needs to be straightened up with a bit of internal sanding. A round sanding sticky disc can be attached to a plug in in the end of your...
The nitrogen pressure depends on the valving, firmer valving requires a higher pressures, assuming your shock has not been revalve we would recommend 225 psi. You need to use a good rear shock fluid, approx 3.5 to 5 wt works best. Sorry about the e-mails not being answered, we generally answer...
No difference, just easy for shops to do cause they can regulate the pressure easier, and our needle charging system is all set-up on the nitrogen tank, it only takes about 20 psi to do the job, no worries about pressure build up due to heat.
The oil level is missing, if it was shown it would be above the red cartridge cap about half way up the rod. This is what is referred to as air over oil (open bath) there are no seals on the cartridge rod cap, just a bushing the guides the rod, this seals the oil with a hydrodynamic boundary so...
In theory they should not mix, but when they do it causes a big problem in the damping. Any entrapped air after changing the oil or a pinched or damaged o-ring can contribute to the air contamination. We are not saying that sealed dampers are no good, just that they are a bit more maintenance...
Yes, the compression valve has 2 very large ports, the rebound piston has 3 slighty smaller ports, but it is more about the flow area created as the shims begin to lift off the face. The stock ports are shaped to maximize flow for very small shim movements.
The real advantage of the open bath is maintenance, with the charger damper the oil can easily get aerated over a very short time, this will require bleeding or if the oil is too foamy it will need to be replaced. The o-rings and rod seal should be replaced if this happens too often. The other...
Really only 2 or 3 things it could be, not enough oil (fork cap off, fill with correct oil, bleed all air bubbles by pumping the rod up and down, set level to 125 mm from top fully compressed) or it could be debris floating around and it gets stuck in the valving holding it open. It is also...
The HSB system is an add on option to the existing compression base valve shimmed system. The kit includes preload spacers, threshold spacers, and revalving shims to change the desired blow-off threshold, blow-off rate, amount of blow-off and the preload affect on the shim stack. It can be...
We offer a larger rider set-up with a custom dual spring dual damper version of our cartridge kit for the Marzocchi 888.
http://www.avalanchedownhillracing.com/Marz/Marzocchi%20888%2038%20DD.htm
Creaking, twisting, flexible, sticky, binding all issues related to weight. Even stanchion wear is related to ovalized tubes bending due to lack of wall thickness which causes binding as they pass though the bushings. The bottom line in performance is the right balance of weight and damping. No...
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