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noWheels

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  5. 421 cheetah powervalve jetting

    in Jetting & Exhaust Forum

    Posted

    i undestand the kid doesnt know what is going on instead of name calling , lets drop some science on the kid and explain to him what a plug chop is and maybe he can use it to tune his bike also thank ya ll

     

    I'll be the first to admit when I'm wrong dude. I apologize if I came of like an asshole but I thought a plug chop was done differently. Having the same setup as you, I'm really interested to see the outcome of any changes you try. And I'll try to stop wearing pocket T-shirts but it's gonna be hard man....real hard.

  12. What size Mikunis for a Cheetah 421, 4mil, PV with no porting?

    in Banshee Repairs and Mods

    Posted

    A friend of mine has them on his 485 and it runs great and the pj's just weren't doing it so I got 3 vm36's for a good price, changed the mains and the pilots thought I had em set pretty good but now the low end 1/4 bogs and then takes off like a bat outa hell. Got home and checked em out to find the needles and the needle jets were for a richer setting (snowmobile). I'm having a little trouble getting the float valves out but I'm gonna guess they are the 1.3 and not the 3.3 that I need. Working on these mikunis and learning the different types of pre sets is making it a little easier. If I ever do buy a set of carbs they will most likely be brand new so I don't have someone else's problem.

     

     

    Sent from my iPhone using Tapatalk

  14. What size Mikunis for a Cheetah 421, 4mil, PV with no porting?

    in Banshee Repairs and Mods

    Posted

     Not to mention the fact sleds have fuel pumps and Bangshee is gravity fed, so you may need float needle valves, maybe even seats

     

    I have another friend with a 485 trinity PV with the same carbs and he doesn't have any of the problems I have. And yes Larry you are 100% correct! I gotta gut them and put in everything new. Just wish I had the money for brand new shiny carbs lol. 

  17. What size Mikunis for a Cheetah 421, 4mil, PV with no porting?

    in Banshee Repairs and Mods

    Posted

    I wound up finding 3 vm36's from a sled, think it was a 600 triple skidoo. I've been having some problems with low end so I did some research and fell WAY DOWN the rabbit hole man!!! I didn't realize there was going to be a difference with ALL the jets. But anyway my jetting is as follows, main 240, pilot 35, jet needle 6DEY4, needle jet 286-P-0. I haven't been able to find the #'s on the needle valve set but I'm guessing its not what I want and last but not least the air jet wasn't in any of the carbs. Any info on other jetting for this set up would be greatly appreciated.

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