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Thread: 250r 400cc rotax stroker motor

  1. #11
    Member volks_r_us's Avatar
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    From the stop sign in french, I can bet you a $1000 that this guy is in Quebec Canada.
    Probably built by him or Arsene Racing
    -=Alex=-

    86 TRX250R
    85 YZ125
    04 Vinson500

    Once a wise man Said :"If you are losing money on something every month you figure out a way to either make it profitable, or you cut your losses and run. Pumping money into something with no return is like reading your posts, pointless."


  2. #12
    Senior Member puma's Avatar
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    this motors is my setup sc performances made in quebec (sherbrooke cyti).is not arsene racing.this motors rotax mxz 800 cylinder with +4 hotrod stroker crank thin welded and ktm rod .casing welded for new stud location and transfer .carb 41,5mm on 91 octane whit curtis spark tt modified stinger size, total 401cc.this motors run very very hard good midrange and low end and topend is very fast.incredible torque monster over prox setup

  3. #13
    Member cwright's Avatar
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    Nov 2010
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    Puma, How much HP are you getting out of these motors on gas ?

  4. #14
    Senior Member motofool250r's Avatar
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    welcome to the forum puma, ive watched your vids before
    463cc Super Puma Caged in a LSR Ti Chassis
    443cc Puma by Hybrid Engineering
    344cc ESR By Hybrid Engineering
    353cc ProX by Hybrid Engineering

  5. #15
    Senior Member Bowtie316's Avatar
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    Quote Originally Posted by puma View Post
    this motors is my setup sc performances made in quebec (sherbrooke cyti).is not arsene racing.this motors rotax mxz 800 cylinder with +4 hotrod stroker crank thin welded and ktm rod .casing welded for new stud location and transfer .carb 41,5mm on 91 octane whit curtis spark tt modified stinger size, total 401cc.this motors run very very hard good midrange and low end and topend is very fast.incredible torque monster over prox setup
    I would like to see some close-up pictures of the motor.

  6. #16
    Senior Member Victork's Avatar
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    Id like to see/hear more about this motor. Is it expensive? How many mm's is the bore?
    86 R, pro x 350 long rod, hinson basket, sparks mx system, vforce 2, 40.5 pwk, Fourwerx shrouds and hood, +2 +1 LSR race arms, -1 lsr swing arm, 2+2 durablue axle, Houser stem, alba nerfs, works tripples w/remote rezzis, and so on....

  7. #17
    Senior Member puma's Avatar
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    this bore 82mm polaris piston very expensive motors 3500 for this kit.

  8. #18
    Senior Member motofool250r's Avatar
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    Puma can you post of anymore photos of it, is it still running strong?
    463cc Super Puma Caged in a LSR Ti Chassis
    443cc Puma by Hybrid Engineering
    344cc ESR By Hybrid Engineering
    353cc ProX by Hybrid Engineering

  9. #19
    Senior Member jadleybray's Avatar
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    I would say the cost is comparable to the Puma. Rotax cylinder and head is cheaper, but you have to incur the cost of moving the studs in the cases. Everything else is a wash. Prior to the puma, the rotax (and earlier PSI) were the cylinder to have until you stepped up to the Saber. This one in particular runs very hard.
    Attached Images
    Last edited by jadleybray; 06-20-2012 at 04:04 PM.

  10. #20
    Senior Member motofool250r's Avatar
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    brad whos trike is that? swingarm is sick!!
    463cc Super Puma Caged in a LSR Ti Chassis
    443cc Puma by Hybrid Engineering
    344cc ESR By Hybrid Engineering
    353cc ProX by Hybrid Engineering


 

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