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I have thousands of miles on my TAPP primary and use a RW (Ron Ward) kit on my cat secondary. Over the years, I have tried the Pro 4 secondary and numerous clutch parts, springs, weights, etc. I am a trail guy but have had my fun with mod stock turbos and drag racing on the ice against my...

Drinking and riding at night is why I am on the trailer before dark. Add to that too much speed, icy corners and lack of carbides. Throw in an occasional dock jutting out in a lake and its a wonder there are not more fatalities. All the police would have to do is have an unmarked car with a...

Got 140 miles on two rides so far. Conditions went south this week. Old forge was crowded since hunting season was still going in other riding zones. Looking forward to a good season. Regarding ride height, I am thinking 2020 Tcat springs front and rear will lower the sled about an inch or so...

Belt heat was a big problem on my old modstock 1100 turbo. Venting in fresh air and blocking heat from the engine compartment lowered temps quite a bit. I went on to a TAPP clutch and a Pro 4 secondary once I tuned the sled to 300HP. Controlling the heat, make the belt offset perfect, and ensure...

Waste of money. Wear earplugs or pipe music into your helmet.

Improving the intercooler to lower intake air temp and the evacuation of hot air from under the hood may do more for performance overall than the ram air. The 998 intercooler is not as efficient as the one on the old 1100 turbo. It had a better intercooler. Getting the heat away from the...

I retired my NS1 when I bought my Tcat. Cat should make an upgrade kit to put their new gauge on the 998. Not sure of the support for the NS1 on the 998.

With that said, it will be quick in a short run when clutched and studded properly.

I cannot imagine holding this to the handle bar across the lake for a mile at sub zero temps with high barometric pressure. When you pull the pin, Mr. Grenade is no longer your friend.

Whatever track you buy, get one that is fully clipped. I purchased a 1.24 Rip2 fully clipped from track usa for my old ZR9 a few years ago and had no issues.

Dealers need to move the iron. Either their cash is tied up in paid for inventory or they are paying interest on floor plan. Either way, they need to move the iron. Many dealers were selling iron for over list just a few years ago when demand was high. Right now, it's a buyers' market if you...

Congrats on getting that bugger off. You did quite the tool engineering!

The diameter of this new clutch reminds me of the bearcat secondary we used to run on our old Tcats. That required a longer belt. TAPP will need to get a proper belt length figured out before he sells these for 998's. As I remember the old days, the larger diameter secondary acted like a...

Yup, rule #1 in business is to make money. There are no successful "non-profit" companies in the snomo business.

I enjoyed my Suzuki twin in my old ZR9. That engine was a beast. My dealer says that the Acat Yamaha deal with the new owners is 5 years. We will see what happens. Cat needs either find a twin or widen the bulkhead on the Catalyst chassis to accomodate the 998. I think they will widen the...

Unless you are building a monster motor for racing, there is no good reason to do this. As mentioned elsewhere, that motor will outlast the sled if maintained properly. The 998 is one of the best motors ever put into a snowmobile. At the end of the season, I put the sled on the stand, change the...

I am running the 225/240/270 stock muffler tune. I notice about a 100 rpm difference between the 225 and 240 with an additional 100 rpm on the 270. The 270 spools up quicker than the 240 and 225. It is perfect for me. I will also note the fuel mileage runs between 13 and 14 mpg for trail riding...

I think you are correct. I thought I read the front shock in the catalyst is longer than what is in a tcat or winder.

I have been told that Acat had a five-year engine supplier agreement with Yamaha in place before Yamaha sled production ceased. As we know Yamaha had been a past supplier of engines in the snowmobile industry. I see no reason they would not continue. If cat stuck the new fancy gauge on the...

I ran 21/38 on my old modstock tuned 1100. Big top end. With that said, it seemed to put more pressure on the belt. Blew a few with the stock clutches. The problem went away changing to a TAPP and Pro 4 secondary. I am not sure why the problem occurred with the stock clutches but I though it...