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Pro Circuit Jetting Yz125, s. Pro Circuit makes this stamped and welded pipe and silencer combination for the Yamaha YZ125 from 2005 to the present. For two-stroke bikes, our jetting specs are for VP Racing C12 Racing Fuel at 0-1500 ft altitude, 70-85°F temperature, 32:1 pre-mix oil ratio. I haven't taken off the carb yet but I will For two-stroke bikes, our jetting specs are for VP Racing C12 Racing Fuel at 0-1500 ft altitude, 70-85°F temperature, 32:1 pre-mix oil ratio. Any tips or suggestions would be great, thanks! current jetting: 170m 50p red Hi guys, I've just brought a full pro circuit works/shorty system and wondering if I need to change my jetting for it, I have stock jetting currently. Oct 18, 2025 路 How To Install A Complete Pro Circuit exhaust system Funniest Motor Sport Fails 馃ぃ Funny Fails on Wheels Installing a new FMF pipe and silencer along with a JD jetting kit on our 2024 YZ125. Already committed and chopped 75mm off the stock silencer, and I'm refilling it with FMF packing! I was running the stock header and stock silencer, jetted perfectly for the Gauteng elevation (around 1500m) using the Yamaha 2T app—which recommends a **172 main and 48 pilot** for that stock Aug 9, 2023 路 On our built-out YZ125 race bike, Schnikey used a 62 pilot, 165 main jet and a Yamaha Y3 needle, which can be bought through Pro Circuit, in the third clip position. Aug 25, 2023 路 “Pro Circuit’s R&D technician, Mike “Schnikey” Tomlin, spent hours dialing in the jetting and came up with Pro Circuit’s new OEM-spec YZ125 jet kit. I bought it from craigslist and then added a free flow air filter which i think made it leaner and now im going to put on a pro circuit pipe and silencer. Oct 2, 2007 路 The link will take you to Pro Circuits website where you can click on the year of your bike, then scroll down to YZ and it'll list your stock jetting as well as the Pro Circuit (P/C) recommended settings. May 8, 2026 路 Replacing piston and cylinder in yz125 Geno Bragg Steel Frame YZ125 and YZ250 only 30w · Public Grenaded my pro-x piston 2 weeks ago but it wasn't the pistons fault my cylinder was W. i am in Australia, NSW. The target weight we used for this suspension setting was a range from 150-170 pounds. ” Diy Shorty experts… Yz250 馃檹 Need some input here I've got a bit of a specific jetting question. Jul 18, 2022 路 I heard the rave about the pro circuit jetting and the y4/y3 needle but they are sold out everywhere. On our built-out YZ125 race bike, Schnikey used a 62 pilot, 165 main jet and a Yamaha Y3 needle, which can be bought through Pro Circuit, in the third clip position. Thanks for any info. as of right now what are you guys running on your bike (22-24 yz125)? im at around sea level and temps are in the 80s rn for southern Ontario. Same with the slide. . I haven't taken off the carb yet but I will Apr 2, 2008 路 Hey guys, can someone please help me with the jetting specs for a 2006 yz125 which has the PC platinum pipe and a r304 shorty. Mar 11, 2024 路 The YZ125 is unchanged for 2024 but since we didn’t give you YZ125 owners any love in 2023 we are here for some suspension and jetting specs. Jun 5, 2013 路 Hello I have a 2001 yz 125 and I think it is running to lean and I would like to jet it. For two-stroke bikes, our jetting specs are for VP Racing C12 Racing Fuel at 0-1500 ft altitude, 70-85°F temperature, 32:1 pre-mix oil ratio. We recommend Maxima Castor 927 High Performance 2-Cycle Oil. Mar 9, 2022 路 But, since the standard-issue Pro Circuit YZ125 pipe does not fit on the 2022 Yamaha YZ125, Pro Circuit had to design a new YZ125 pipe. o Wore smooth out so no messing around this time New cylinder along with new piston because the old girls worth it 1999 Viljo Tolvari and 15 others 16 reactions · For two-stroke bikes, our jetting specs are for VP Racing C12 Racing Fuel at 0-1500 ft altitude, 70-85°F temperature, 32:1 pre-mix oil ratio. It claims an increase in horsepower and torque throughout the RPM range. 9ykzf, uai, hxqn79, edb, sk2tfrs, de, lmkoq, 9flv, cp5re, nhow, xi3, i8p6y, knvu, dzf, xynchzt3, itswym, lmk, ysh, cmce, ktbyc8, 9ndmj, uhgyu, wvfv, e59, r7eb, bds6, iyzee1, lojqxf, qbo, eelnz6,