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Go-Pro videos show what is going on with suspension, track, skis and other views..... like winning over the competition :) ;)! A man came up to me and asked if he could attach a Go-Pro to my sled to see what it looks like from a view many don't see. I absolutely agreed and want to share this...

Congratulations to Jeff Jaquish on his Bracket Series win at the MSADRA (Michigan Snowmobile Asphalt Drag Racing Association) at the Mid Michigan Motorplex in Stanton, Michigan! Jeff uses Thunder Products Clutching components on his sled and proudly displays his Thunder Products Clutching...

Congratulations to Kurt Schultz this past weekend 4/20/19 winning the #1 spot in Pro Stock 800 at the Mid Michigan Motorplex in Stanton, Michigan!!!! Kurt uses Thunder Products Clutching TSK adjustable weights in his Polaris to put the power down to the ground. MSADRA (Michigan Snowmobile...

As most of you know, Tim Hank (Shagman) and I (NOS-PRO) race asphalt during the summer months with the same exact sleds we trail ride. Some of our testing comes from time on the track to check back-shift, belt longevity, performance and that eliminating that dreaded belt dust and belt blowing...

I will chime in as I just had mine apart to get switched over for racing asphalt. I run my tension very tight, more than the recommended and use Amsoil chaincase 100% synthetic.....no issues. This is on my winder that has been flashed at 265 horse at 10 miles on it. (10 miles was from clutch...

Thank you Don

https://ty4stroke.com/threads/snow-free-intercooler-guard-new-design-in-stock-see-page-5.148989/page-5 Post number 62 I have no ice build up at all and intake temps are way cooler now.

I am running the Barn of Parts setup and working great! I will find pics for you.

First, I want to thank all the members, friends, riding buddies, everyone on TY and those who come to TY. Tom, @MrSled this site rocks! And has always been the best place to come for help, to daydream, to read up on projects being built or things/issues going on with my own sleds. I want to take...

It is just that....for emissions. This way the oil spray/vapor doesn't just go out onto the trail or atmosphere

@Pro-4 Performance Mark would be the best to ask as he is the one who makes them. Just answering questions here about the Pro-4, but don't want this thread to go off-track from the TAPP primary clutch.

Here I am

Agreed, the stock sled will not pull the 39 angle on top end.

Pro-4 has 3 arm, 4 arm and 6 arm. The 3 arm clutches have been tested and proven on the winders. I am still running the prototype on my sled and everything is great.

Currently not running the button secondary, but would run the TP orange spring and a 40/46 reverse angle helix. PF - Yes, I was referring to the previous Yamaha primary clutch, but I have heard the button style secondary takes a lot of problems away. I am still using the SW roller secondary...

Yup, I was just thinking the triple cylinder with the 3 separate heads like the SRX, but the single pipe like the SXR to fit a narrow chassis :)

Carbon Fiber parts on a new chassis with a new triple cylinder SRX 600cc engine, single pipe, fuel injection and factory turbo.

Replaced the stock SW clutch with the previous style Yamaha clutch (Viper) and all clutch/belt issues are gone. And I play hard

The 3-3 was too much wrap for the orange secondary spring

Brian, Whoever said to adjust the belt adjuster before torquing the main bolt.....is wrong. Here is why.... If you adjust the dial for the belt to sheave clearance "before" you torque the main bolt, the dial may or will be in too far causing the aluminum dial to strip the threads. This will...