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last weekend, Lake Etchemin, Quebec, Can. My friend Joe Labrecque did 186,41mph in 2500ft and 188,28gps with a Z1 Turbo full body & full suspension. But he did the big acceleration on the last 1000ft. good Job!

In Quebec today, At Lac Etchemin. 2500ft ice track. Mr,Beaulieu with is BRP Zx full body & full suspension 2002 with Suzuki Swift Turbo engine hits 182,6mph on radar. The sled weights 900lbs. Last year he did 180,2mph at the same place and same distance. 3 guys of the area are racing for...

I have actually 24-38 and I want to go 25-38. May I have to change the chain? Its the original chain from my 23-38 LTX-GT 2010.

Anyone have tried these flyweight??? They are more agressive than supertips flyweights used by Ulmer's kits

track 3000ft long on a lake. f800 2013 with speedrun & chizel + Boondocker, gearing. 190km/h GPS Apex 2010, Predator 136x15x1¼ with trail studs. & my Z1 suspension. 188km/h GPS just Ulmer clutch kit with personal adjustments. No PC program. I'm happy! :Rockon: and 187GPS 3 times.

Trail was hard packed snow but have already seen harder than this. 115 mph or 186kmh at 10800rpm. Geared 24/38. Stock map. The Z1 suspension is more slippery. A friend ran 170kmh at the same place with an apex ltx 2009. Ski left about 12-15inch for 500ft and 2-3in over 90mph. Less heat...

Anyone did this mod? stock carbs are 39mm. can we oversize the carbs at 40mm? and correct the fuel with P.Commander? We did this mod in the past on 700 triple ski-doo we had good gain. just to know....

This is a REAL improvement for my Apex. No more electonic Ohlins, no more hyfax problem, Big confort! better transfert. better feeling on the skis...feeling light on the steering. Arctic cat Z1 LXR 2011 just 5km, 128" extended to 136" with Track USA kit. Its Alain from AD Boivin who...

Next week I will install a brand new z1 2011 arctic cat rear suspension under my Apex. The rails extensions 128 to 136 are already intalled. Its a good friend of Ad Boivin who will install my suspension. no more shock wirring, no more hyfax problem, better transfer.... pictures in a couple...

I want to install a PC3 with ignition box on my apex 2010... Is the PC3 compatible with the 2010 or I must absolutly to have a PC5??? My dealer is not sure...He didnt try this yet. He told me that the data base is not the same and maybe not compatible with de PC3....

I want install a water temp gauge on my Apex. I saw there is a right place for the probe....on the horizontally side on the left side thermostat... what is the right diameter "mm" for the connection? Thanks

Anyone knows how or have any trics about Apex overdrive clutch? 2 Last year I ran 24 gear in my LTX-2010. This season I run the 23 gear. With the gear ratio calculator, with 23 top gear, I can run to 113mph at 10800rpm. Yesterday on lake, I ran 111mph at 10800 within 1500foot. A friend told...

Can you tell or explain what is the difference(s) in trail? Acceleration? What is the feeling? Big or small difference? I want some feed back from guys who have a P.C.

I'm disagree with the decision to close the topic about 1400cc. We debate with different opinion...simply. Maybe some guys love Yamaha too much... Sorry.

If there is someone from Yamaha here, Near or far... If there is no big improvement, body or motor for 2013, Its my last year with yamaha. AC F1100 Turbo will be fine tuned...so thats it! The convertion Yam/AC is began this season with my friends.

What is the best helix anle for an Apex LTX. 2 angles helix. Stock helix correct with good flyweights but, I know that 54-44 or in this area is better. An helix for pulling hard at low speed and say good bye from 500ft and over.

I run the Supertips flyweights. They are goods but maybe is there better flyweight like the Heel Clickers 2 Speeds or the Rats. I want quick rpm, fast upshift, and fast backshift.

My 2010 had hard idle when he was cold ans after warm up it was running good. We(dealer) check that and the exhaust valves where out of spec. Out of spec just enough to do this trouble. So valves adjustement at 30000-40000km forget it if you ride very hard. Last year we adjust valves on an...

Results from my uncle yesterday. Conditions: 3-4inch of slushy snow, 0.C, After 5 runs, the best is 179km/h GPS and 185 on speedo at 10000RPM. With a Hacksaw 128x15x1. It will be great on hard packed snow! :4STroke:

Scuse for my english...I do my best. Someone had vibrations problems under your Apex 2010??? After some reflextions and brainstorming, we think that the sprocket extern are in problems...they create vibrations, lost of power over 60mph and poor acceleration over 8000RPM. Top...