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144 track extension kit and free ride track from tracks USA. Awesome performance in powder. Cut the original bumper and extended it with tubing filled in the tunnel gap with checker plate. I justed added at set of sly dogs powder hounds. No clutch or gearing changes. Lots of power and 120...

Phazer GT to 144" Hi I bought the track and extentsions from Track USA. Have the track in and do the mods on the tunnel. Did any of you do any clutching changes as a result of extending the track

Changes to the VK Pro We have raced it 3 times in Cains Quest. It never gets stuck in the front -- always stuck up in the air with the track in a hole. Weigh up front doesnt seem to be an issue. Required changes -- 1. New rear skid. Current one breaks and bottoms out. Need a way to...

Yep Yes Sir!! Wouldn't miss it -- fourth time.We are not racing VK Pro this year. I hope I don't regret it. Racing something smaller, slightly faster but colder -- Nitro. Wish Yamaha would fix the issues and I'd race it again

Suspension Tuning Still trying to keep the suspension from bottoming. Have install large telfon bushing on the control rods. Drop the the rear suspension in the mounting holes just to give ground clear when breaking trails. Still bottoms with any weight in the rack. On the Pro there are...

Ski Free Play I have had some success in removing the free play *There is a bolt and nut that backs off on the left hand side under the breather / battery. Hard to get at 14mm. It will not back all the way off as its cottered pinned. I have tighten and place lock tight on it. It has not...

Do you have a ground created when you wired in the lights?

Rear hand warmer We have the issue with rear hand warmers. Dealer indicates they only cut in above 3500- 4000 rpm and then they take a while to heat up. We are thinking about running a line from the tail light to get direct power ( tail light always on.

Wondering if fiberglass overload springs could be added Think we may try installing Cat overloads on the rails to assist the shocks. Still in the thinking phase on this one. Its a shame when everything else is so reliable! Haven't had to touch the front end or engine. You think Yamaha would...

I raced a 2007 model for two years 2006 first. We installed a spring from an older viking on it this for this years race as well. It has 16 coils compared to the the 12 that comes on it. Not sure why less coils on a heavier machine. Appears to be similar diameters and thickness. We...

Hi, I have raced the pro in three consecutive Cain's Quest. First two times we have been plaqued by rear skid failure. This year we installed Yamaha modified rear brackets and did some mods on the middle rod ourselves. We install the skid in the lower mounting holes and install a 1.5" lug...