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Found 4 results

  1. Zach7018

    Another big bore question

    So Ive decided its time to pull apart my favorite machine and freshen it up, and I'm looking to make some improvements in the process. I already have a 3x3 mod and a JD jet kit done and it seemed to have changed the world. The stock bike just plain sucked and now its a lot better. I never expect 450 race bike power here but I know there is a little more and I'm wondering if the juice is worth the squeeze. I already plan to add a header and exhaust, an FCR39 carb and stage 1 hotcams. After some research it really seems like those places are where the gains actually come from, so would it be worth it to throw a 434 big bore kit at this bike or just stick with what I already mentioned and a new stock bore top end??? Also my rides are often solo and pretty isolated,how much of a reliability headache can I expect with these mods?
  2. FIRST POST! I have a bone stock 2015 CFR250L (Smallest bike I've ever owned, actually) No airbox mod or anything like that yet.....struggling to keep up with crazy traffic! I need more power out of it. Where is my money best spent? I'd love if the fuel mileage improved too, as I struggle to get over 55mpg. (I'm 6'1", 225lbs with my backpack) Assume I only get one thing, I'm on a budget for now. Should I just get just the EJK tuner? Just the powercore muffler? Just a header and keep stock muffler? Stop being cheap and get the whole exhaust? What gets me the most $$$-to-Horsepower conversion rate here?
  3. This could be a game changer! I saw this ad for a 500 2 smoker 102 hp engine designed to fit your honda quads! Go wild guys! Panthera PM07-18 engine PM07-18 Engine PM07-18 Details Panthera PM07-18 Specifications Volume/Bore/Stroke: 548cc / 94mm / 79 mm Power : 102 HP / 76 KW Torque: 72 lb-ft / 98 Nm Weight: 72lb / 32.7 kg Transmission: 6 speeds Exhaust control: Piston power valve Intake system: Carbon fiber reed valve Latest engine of the Panthera family, the PM07-18 has been designed as an exact bolt on product for the TRX450R platform (all years). It uses the same mounting points and requires no modifications of the chassis. The electrical connections are identical and the engine uses the original wiring harness. A new CDI controller is supplied and connects directly into the original harness. For other applications, full wiring harness can be supplied upon request. The PM07 is the result of years of experience in all world of racing combined. From motocross, to karting, to full size formula cars, our engineers have come up with various design of optimal specifications to create a solid and reliable engine, while giving life to the most powerful production singlecylinder in history. Everything inside the PM07 is engineered to withstand higher power than its initial production configuration produces. https://www.pantheramotorsports.com/us/engines/pm07-18-engine/pm07-18-details/
  4. Archie baily

    ktm 250 xc-w horsepower

    hi is was lokking for a ktm 250 xcw for my son and i couldnt find any horsepower related articles and i was wondering if anyone new???