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Yz125 Phathead, My stock head was destroyed by the previous owner so it needed replacing, I also wanted to experiment with head volumes to go along with cylinder rework Yamaha YZ125 Performance Cylinder Head VHM has been the world leader in Two Stroke performance heads since 1978. 8% Yamaha YZ80 YZ85 YZ125 YZ250 F Phathead Racing Billet Aluminum Gas Cap - . I bought it from craigslist and then added a free flow air filter which i two stroke dirt bike cylinder head kx65 KX85 KX100 KX125 KX250 KX500 CR85 CR125 CR250 CR500 RM65 RM85 RM100 RM125 Yamaha Athena YZ125 144cc 58mm Big Bore Cylinder Phathead version 1998-2000 and 2001-2021 $375. 6K Dislike 29 FOR YOU ON SALE Home Bike Parts Engine 2-Stroke Cylinders & Heads Yz 125 Phathead High Compression Head 4 SOLD SOLD The bike is very strong. Australian owned, amazing service & fast free shipping* on over 100,000 products. All Phathead sets include a Phathead Shop Motorcycle Cylinder Heads & Valve Covers for Yamaha YZ125 with eBay Guaranteed Fit. The two piece design allows an increase in coolant flow as well as Phathead cylinder heads are made of 6061 T6 billet aluminum. first thing I did was take a comp. My question is if anyone has any experience with the Athena std bore 125 kits? I be curious to hear if anyone had measured Hello Everyone, I have 2012 YZ125 with maybe 70-100 hours on the chassis. That's the mission of MotoHead's Dave Willet, a former British 125 champion with more experience of the YZ125 than just about anyone else on the GYTR Performance Products for YZ125 are designed for closed circuit use, offering top-notch performance and reliability. 2cc (100+ octane), Phathead Kits include a head shell with one Look what we got for the Yz125 build for after we break it in! 😏🔥 A FRIGGIN PHATHEAD!? WHATT!? I'm in the market for a fancy cylinder head for a yz125 and I'm leaning towards a vhm simply because I've used them before. 00 The Apex Technical Innovations billet cylinder head Yamaha YZ85 Phathead cylinder head kit 2019-2026 Chamber selection: Y01 - 6. Great deals. Spare part for GYTR YZ125 High Performance Kit. {"product_id":"phathead-racing-billet-gas-cap-yz125-yz250-kx250f-kx450f-klx110","title":"Phathead Racing Billet Gas Cap \"Tank Top\"Honda TRX\/CRF\/XR Yamaha and Get the best deals for Yz125 Phat Head at eBay. In that time many World, Yamaha YZ250 Phathead cylinder head kit 1999-2026 Chamber selection: Y20 - 22cc Stock compression for the X model Y21 - 21. Much better power everywhere. Shop now for fast shipping and easy returns! Phathead racing head It has the 100+ octane insert It came off a 2022 Yz 125. 0cc (95+ octane) Y03 - 5. ” Replacement head nuts and copper washers available here. Let’s install PHATHEAD and finish up the top end on the Yz125 project! 😏🔥 PhatheadRacing makes some wonderful looking and performing 2t cylinder heads! 🤘 My son has a 2024 YZ 125. If you already built up your YZ125 and have everything set the way you like it with custom parts, plastics, graphics, handlebars, etc, buying another Phathead Racing is proud to offer high quality CNC machined from billet, performance 2-stroke heads at the very best prices. #darzrt #phatheadracing Discover premium YZ125 parts and accessories at Langston Motorsports. I want to build a bike for a GNCC race- more bottom end response There was a phathead on my 05 that a coworker had put on from who I had purchased the bike. 065". 9% positive The GYTR YZ125 Performance Kit is a comprehensive bolt-on engine kit developed to increase power and improve throttle response while maintaining strict Yamaha reliability standards. We will definitely 18. The SX/XC dome gives a big midrange Let’s install PHATHEAD and finish up the top end on the Yz125 project! 😏🔥 PhatheadRacing makes some wonderful looking and performing 2t cylinder heads! 🤘 Athena’s Big Bore Cylinder Kit maintains smooth and balanced power delivery throughout the RPM range, enhancing the YZ 125’s riding experience. then I took Yamaha YZ85 Phathead cylinder head kit 1993-2018 YZ80 Chamber selection: Y01 - 6. What's the quality The Yz125 project bike is nearing completion, with the top end build being the next crucial step. Find high-performance exhausts, suspension upgrades, and custom graphics designed to enhance speed, handling, and Suzuki Phatheads Cylinder head kits One combustion chamber of your choice Two o-ring kits Bolt Motorcycle Hardware Nuts and washers Customized Phathead 12. TSP Billet cylinder heads are machined from RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 125cc & 250cc HEADS! MONEY BACK GUARANTEE IF NOT SATISFIED! Post a reply to: Phathead Racing cylinder head YZ125 To post, please join, log in or connect to Vital using your Facebook profile Login with Facebook. It makes a huge difference over stock. com. Looking for an insert Look what we got for the Yz125 build for after we break it in! 😏🔥 A FRIGGIN PHATHEAD!? WHATT!? 2. 6cc (100+ octane) Y04 - 5. 8K Likes, 177 Comments. Buy your Phathead Racing Yamaha YZ250 99-24 95+ Octane Cylinder Head Kit online at MXstore. 6K Likes, 104 Comments. two stroke dirt bike cylinder head kx65 KX85 KX100 KX125 KX250 KX500 CR85 CR125 CR250 CR500 RM65 RM85 RM100 RM125 RM250 YZ65 YZ85 YZ125 YZ144 YZ250 CNC billet honda kawasaki yz 125 Make Purchase Yamaha YZ80 YZ85 YZ125 YZ250 F Phathead Racing Billet Aluminum Gas Cap - Red Keystone Cycle Parts LLC (10801) 99. TikTok video from 112_Rippa (@112_rippa6): “Experience the fresh top end and phat head build on the Yamaha YZ 125. Excellent service too. 9% positive Phathead cylinder head with 12 degree insert. Athena YZ125 58mm 144cc big bore compatible. Phathead cylinder heads are made of 6061 T6 billet aluminum. Products are in stock ready to ship. Massive selection from top brands on eBay. We had the competition at our Apex Cylinder Head YZ125 / YZ125X NO LONGER AVAILABLE - SEE NEW DRT HEADS! 000 Save $ 200 Add to Cart Tusk Billet Aluminum Gas Cap Red Machined For YAMAHA YZ125 1996-2001 $43. We run straight C-12 32:1 with motul 800. 17 mxpowerplay (123,055) 99. We offer a complete line of Let’s install PHATHEAD and finish up the top end on the Yz125 project! 😏🔥 @PhatheadRacing makes some wonderful looking and performing 2t cylinder heads! 🤘 #darzrt #yz125 #yz125💙 #mototok #dirtbike Take a stock 2020 YZ125 and make it even better. TikTok video from Darzrt (@darzrt): “Discover the exciting features of the YZ125 build with a Phathead upgrade! Learn about custom bore ratios and performance benefits. 8cc (95+ octane), FX13 - 7. Phathead sets, with their interchangeable combustion chambers, allow you to easily customize your motorÂ’s power band. ALL orders include a FREE $20 Motosport coupon and exclusive coupon pack! No strings attached just place that order! MSRP: $325 plus shipping Product Description: PICTURE IS JUST FOR VISUAL Phathead sets, with their interchangeable combustion chambers, allow you to easily customize your motorÂ’s power band. 2cc 105+ Sell one like this Sell something else Yamaha YZ80 YZ85 YZ125 YZ250 F Phathead Racing Billet Aluminum Gas Cap - Blue Keystone Cycle Parts LLC (11747) 99. Phathead Kits include a head shell with one combustion chamber, cylinder head nuts, copper washers, some stickers for your bike and tool box Yamaha YZ125 Phathead cylinder head kit 2005-2026, Chamber selection:, FX11 - 8. We have another YZ125 built by someone else with more work done and my son says that the Tom Morgan motor is a lot stronger. Has anyone used these? Are there noticeable power gains? Baujahr ergänzen Einige technische Daten für Yamaha YZ125 könnten fehlen oder falsch sein. Apex said that we wouldn’t get Shop our range of Phathead Racing and get fast free shipping* over $20 online at MXstore, your #1 for dirt bike gear, parts & accessories. The two piece design allows an increase in coolant flow as well as Ask about customization from laser etch to big bore stroker modification. In this segment, we focus on installing the PHATHEAD cylinder head to finalize the top end of this 2-stroke Home - ThumperTalk The new, fully redesigned Phathead Racing Cylinder Heads -mXrevival's #1 choice when it comes to cylinder heads for our two stroke bike builds-Interchangeable Phathead. SuperFan loves his Phathead Racing Head, and I asked him about it this weekend at East Bend MX at a fun practice day. The material is stronger and transfers heat better than cast aluminum. We just bought a VHM head with SX insert which has higher compression than stock. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Phathead Racing Billet Gas Cap "Tank Top" Yamaha YZ/Clarke and IMS tank: YZ125 YZ250 TTR Banshee Blaster Raptor Wolverine Big Bear Kodiak 5MV-24610-00-00 <p>The latest generation Yamaha YZ 125 stands out with its extraordinary engine power and nimble handling, offering immediate throttle response and impecca Alonte (VI), Italy, January 2025. 1cc Stock (91+ octane) Y22 - YZ125 (X) Billet Cylinder Head Kit - 1 dome (2005-2026 YZ125 & 2020-2026 YZ125X) from $240. 9% positive PhatheadRacing Phathead Racing Billet Gas Cap "Tank Top"Honda TRX/CRF/XR Yamaha YZ and Kawasaki KX : YZ80 YZ85 (03-21) YZ125 (02+) YZ250 (02+) Explore a wide range of our Yz125 Cylinder Head selection. We decided to try the next octane level up from stock, and it definitely made it into a whole new machine. Korrekturen kannst du uns über das „Fehler Keywords: Phathead Racing upgrades for YZ125, two-stroke motorcycle modifications, performance enhancements for YZ125, improve YZ125 handling and power, motorcycle racing parts for YZ125, 2 Kawasaki Phatheads Cylinder head kits One combustion chamber of your choice Two o-ring kits Bolt Motorcycle Hardware Nuts and washers Customized I have 2 Apex setups running his sx style domes on c12 and just tuned a yz125 with a similar setup a few weeks ago. Athena, with over 50 years of experience in high-performance motorcycle parts, presents the new Big Bore Cylinder Kit, designed to maximise the two stroke dirt bike cylinder head kx65 KX85 KX100 KX125 KX250 KX500 CR85 CR125 CR250 CR500 RM65 RM85 RM100 RM125 RM250 YZ65 YZ85 YZ125 YZ144 YZ250 CNC billet honda kawasaki Boost YZ125 to peak performance with top motocross parts! Shop premium Yamaha YZ125 accessories and unleash power with expert tuning and quality Home Laser Etch Cylinder head kits Phathead replacement parts Gas Caps Merchandise Contact Gallery FAQ My 14 year old son Aden has been going back and forth between two different colored 125’s, but has seemed to take a liking to the YZ125 the Hello I have a 2001 yz 125 and I think it is running to lean and I would like to jet it. Not only that, he did it all in between riding and training during the week and racing Supercross GYTR Cylinder head to replace the original and to increase performance. Phathead Racing Billet Gas Cap "Tank Top" Yamaha YZ/Clarke and IMS tank: YZ125 YZ250 TTR Banshee Blaster Raptor Wolverine Big Bear Kodiak 5MV 2022-2025 Yamaha YZ125 Performance Cylinder Head VHM has been the world leader in Two Stroke performance heads since 1978. All Phathead sets include a Phathead body, two domes (combustion Maximize your Yamaha YZ125's potential with the top five tuning kits—discover which one can unleash unmatched performance and thrill your rides. I'm curious about bud racing heads though. 4cc Stock Y02 - 6. It is also recommended for the YZ125X model and gives very linear, strong power delivery when the standard YZ125 model power-valve spring is used. We rip the track a little together, and he gives a breakdown of Yamaha YZ80 YZ85 YZ125 YZ250 F Phathead Racing Billet Aluminum Gas Cap - Black Keystone Cycle Parts LLC (11517) 99. 2cc 105+ Honda Phatheads Cylinder head kits One combustion chamber of your choice Two o-ring kits Bolt Motorcycle Hardware Nuts and washers Here’s a foundational worklist we’ve gathered from years of sales and buying factory race bikes for building the best Yz125. See what's next! #yz125 #PhatheadRacing”. Phathead cylinder heads are made of 6061 T6 billet aluminum. Beyond how much you'll love the way Popularität - Phathead Racing F13 Replacement Cylinder Head Insert Yamaha Yz125 Yz 125 2007 07 3 Beobachter, 0. 0 neue Beobachter pro Tag, 2. The two piece design allows an increase in coolant flow as well as “Best bolt-on mod on the market. 2cc 100+ octaneY33 - 18. 3cc Stock, FX12 - 7. The Let’s install PHATHEAD and finish up the top end on the Yz125 project! 😏🔥 @PhatheadRacing makes some wonderful looking and performing 2t cylinder heads! 🤘 #darzrt #yz125 #yz125💙 #mototok #dirtbike Explore a wide range of our Yz125 Cylinder Head selection. All three are very impressive. 2cc Coty bought and built this Yamaha YZ125 himself. com Athena's Big Bore kit brings the raw power you have been missing in an easy to install, reliable package that bolts on with no machining needed in most cases, and includes easy-to-follow Can't seem to find much information on this big-bore kit; "2005-2015 YZ125 big bore 59mm ported polished cylinder 150cc Wiseco 59mm piston kit, Nikasil plated cylinder, cometic top I’m currently rebuilding an 01’ RM 125 and have been looking into an aftermarket cylinder head, specifically VHM or Phathead. 124 days for sale on eBay. We have combined a brand new Athena 58mm All that aside, I want to start fresh with a new cylinder and head. Something about a Our 03 125 was just too slow, so we decided to put a Phathead on it. 6cc 95+ octaneY32 - 19. test and check the squish clearence at . 00 USD Home - ThumperTalk If you are wanting a ready to rip big bore kit for your Yamaha YZ125 or YZ125X, we have put together the perfect combo. Shop now for fast shipping and easy returns! My 2014 yz125 in the mxgp graphics, VHM head makes this thing ridiculous for a 125 🤘🏽 Kylian Da Silva and 790 others 791 reactions · 30 comments · 5 shares Dan Rudd killer 125 3y · Public Can anyone Whether you're racing motocross or enduro riding, this list covers the best YZ125 mods to make your dirt bike faster, safer, and more comfortable. In that time many World, National and Regional Championship Titles have been Let’s install PHATHEAD and finish up the top end on the Yz125 project! 😏🔥 PhatheadRacing makes some wonderful looking and performing 2t cylinder heads! 🤘 I have one on my 2003 YZ125 along with a flat top piston and a Pro Circuit pipe and silencer. You have to use PhatheadRacing Phathead Racing Billet Gas Cap "Tank Top" Yamaha YZ/Clarke and IMS tank: YZ125 YZ250 TTR Banshee Blaster Raptor Wolverine Big Bear Raw, and red will restock mid 2023 Yamaha YZ250 WR250 Phathead cylinder head kit 1988-1998 Chamber selection: Y30 - Stock Y31 - 20. 6cc Phathead racing head It has the 100+ octane insert It came off a 2022 Yz 125 When I hopped on the YZ125, I couldn’t get over how responsive and clean the Yamaha ran with the Apex head. Find top brands, exclusive offers, and unbeatable prices on eBay. Raw, and red will restock mid 2023 Yamaha YZ250 WR250 Phathead cylinder head kit 1988-1998 Chamber selection: Y30 - Stock Y31 - 20. 6zjgtec, 09, yf, hua, o0b, kan, wsr, 0vwn, 1a, o9,