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Also would like to know. It sounds like my 2015 R-XC caliper may have different dimensions than the other R-XC sleds? If that's the case I'd imagine I'm stuck with what I got. I vaguely remember buying a different set of pads and finding they didn't fit my caliper. I'll have to dig into my spare parts.

https://wahlracing.com/product/hayes-x-32-brake-caliper-assy/ This it?

In the 2016 ACi R-XC press release : • Brake Pads friction material has changed back to T-124 for increased pad life That suggests the pads were just wearing too quickly. Like I said, the stopping power is excellent. But no noise and not much feel

https://www.arcticinsider.com/cross-country-racer-unveiled-2015-arctic-cat-zr-6000r-xc/ From the ArcticInsider write-up back in Sept 2014 • Race Proven Brake Caliper and Pads for improved wear and increased stopping power: -Same Brake Caliper as 2014 XC Race Sled -Larger bridge bolts for increased stiffness -Low-pressure seals for less resistance when the brake lever is pulled -Offset friction material on brake pads for more even wear under high pressure – New brake pad friction material has increased braking power at elevated brake temperatures

Yep. Towed a buddy once that broke a chain, not even thinking about the fact he no longer had brakes due to his jackshaft mounted caliper. Next thing I know he's passing me on a downhill grade Fortunately no fallout except for some bent handlebars.

That was my thought too.

Yeah that's close. Still not as audible as the Wilwoods imo, although it's hard to tell through a video. So at least the Hayes are capable of producing it. On the Polaris sleds the brake system is mounted on the jackshaft like the Wilwoods used to be on the Cats....I wonder how that contributes to feel and sound. Not sure what's so special about the 2015 R-XC. Maybe Krom has some insight. The stopping power of my R-XC is significantly better than my turbo, that's for sure. But neither provide much feedback. Often the R-XC feels like an on/off switch.

Interesting. My 15 R-XC and pretty much every other Hayes I've had on a sled (or mountain bike) has been: meh. It's also been silent, so in addition to nearly no lever feel, there's no acoustic feedback. You can lock up a track on any system nowadays. There's more to it than that.

Knew I couldn't be the only one that missed the Wilwoods. Excellent modulation, great power, distinct sound. The Hayes have power and nothing else. Oh and they are a complete PIA to bleed on the Procross.

With my 17 Cat 998, it would blow at 2k miles like clockwork with OEM belts (I felt this was totally acceptable given the power level). Started using Ultimax with even better success, even with a tune. I gotta say, overall that sled is easily the most powerful yet most reliable sled I've ever owned. It just works. Granted, I have done some PM items like different top gear, brass shift fork pads, etc.

I'm wondering if we are seeing some variability in the casting batches. I've got quite of few miles on my tuned turbo with an ADAPT. Zero issues so far.

No, that's exactly why people are so worked up hahaha

Absolutely true. But what exactly has been challenged besides the limit of his own stupidity? If by humor you mean the subject of everyone's incredulous disgust? I guess I'll give you that.

I've seen a few posts now of people saying the Catalyst clutch offset is contributing to the loss of speed. I would imagine with a built on shaft design of the secondary the alignment would be absolutely critical. Anyone with more info here?

Yes I run them on my tuned 998 with an ADAPT. I've had a fantastic experience with them...performance/longevity/price/minimal belt dust.

Put a deposit down today on a 2025 ZR 858 129 w/ ATAC. Not sure I need the G8 or ATAC, but the wife said I should just go big. You tend to do what she says in that situation

Holy shite. Going to be a long road to recovery. Best of luck to him.

Anyone with insight into the quality of the AC5S shocks?

Personally I'm still floored by the braided brake line self-ownage

Where ya been Crnr??

I think the Doos are 2.86. Aren't they also all single ply from the factory? Yeah I'm sure the clutching needs to be dialed in. While the primary idler bearing system works great for the average rider, I've always wondered if the constant compression secondary acts to prevent overdrive. For all out speed it's hard to beat the old Cat reverse cam button/roller secondary setup. They just work.

Which part? There are many threads of guys documenting improved top speed numbers with larger drivers and 2.52 pitch tracks. Lots of stage tuning back in the Firecat days. Hell I gained major speed with my 04 F7 by going to 10 tooth drivers from the stock 9 tooth, accounting for gearing too. Some guys were even putting their involutes in a lathe to true them up and picking up mph. I agree the R-XCs have long been 8 tooth, mine included....mine has never seen above 97 mph either....

I'm not sure what is allowed as far as changes in the stock class, but I know the Polaris Cross Country sled runs a 2.52 pitch track vs the Cat's 2.86. There's going to be a definite top speed advantage too the 2.52. The R-XC also appears to use 8 tooth extrovert drivers...going to larger involutes would def gain mph too. Maybe they've already done this.

Zach gives a recap at the end (7:28) and basically says they haven't found the top speed they need to be competitive. Hopefully they will find an answer!