I had to go with the doo! they are quick! my buddy uses his 98' mxz 500 for radar runs. He has is jetted, geared and clutched. It will do 99 in 1000' feet!
I'm going to go with the Doo, too. I had a '98 MXZ 583 that would run like ####. No studs and completly stock. I beat an XC 600, and 700. Yes, 700. I think it was just luck.
Why don't anye think the GT 600 will be fastest. It is close to a mxz600. I myself with my 99 mxz6 am faster than my buds 00 sx600r. Both stock with same # of studs. A old rotary valve mxz 500 will not beat a series 3 ROTAX 600 twin! Did you guys forget about the GT 600
in the short drag a g.t. 600 will not out run a good rotary valve 500 I have had both. the 500 will win the short runs if dialed in good that I know.I am going to add the fact that the 600 will be right with it but just a lil' behind but at 85 mph the g.t. will start to pull away.
if i remember right i think the rotary valver 500's only had about 90 horse i have spent some time on a mxz 500 and was not all that impressed by the power it seems to be good off the line but just didn't have the midrange-topend power
zr580's rule you are right my 500 had 93 hp ,here's the thing ,I can get the guy that had it to prove this, but the 500 would and did many times stock for stock outrun a 97 zr 580 he never got by me,and a 97 sx 700 to 80 mph.when I was done tuning the 500 the 700 yammy couldn't catch me till 85 mph.now dont start bashing me saying there is no way possible,there is a way ,remember the spinning problems those 700's had when they were new.as for the cat I dont know only but to say I did beat him every time we raced and he will tell you that.as for the g.t. it will hook up good with the long track but it does require more hp to get it going and keep it going.
I have an early 1970s Bombardier Ski-Doo single cylinder. I need to lower the primary clutch engagement rpm. What spring and weights would make it possible to lower the engagement of the primary clutch. Thanks for any knowledge you can send my way... Chevysteve.
I wasn't interested in a new sled. Was satisfied with my 16 4-Tech 1200 Renegade and my 17 900 ACE Renegade. Dealer talked me into trying his personnal 19 900T Renegade with a chip and reflash. Claims it puts out 190 hp.
Besides being quick,and fast it doesn't lag and handled well. So I...
Hello
My snowmobile is skidoo Formula MX XTC, model year 1995. My skidoo front light work poorly (only 3 volts given) and i was wondering where is the battery located? Or does this skidoo have battery at all? Engine is rotax 467. Anyway there is something wrong with electrics.
I ride a 2001 ski doo touring 500fan, and over the past year have spent a lot of time fixing issues with it (it was sitting unprotected in a backyard for 5 years). I cleaned the carbs, fixed some electrical contact issues, and redid much of the fuel system. It used to bog down when I went past...
First time for the season the brakes lockup and got hot. and continued to do it all day. So replaced the caliper and dot 4 brake fluid cleaned reservoir and tried brakes seemed to work fine. Go out again brake lockup.
Can my rotor be warped causing this brake up?
Thanks in advance
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Chevysteve · updated 
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