Yamaha rd400 expansion chambers. With this comes news that DG Performance .
Yamaha rd400 expansion chambers After cutting out your sheet metal clean up the sharp edges. Exhaust height is the same as a 1976~78 RD400. These are in OK used conditions. What brand would you buy? Started by suey1958, December 10, 2019, 07:47:33 AM Previous topic - Next topic 0 Members and 1 Guest are viewing this topic. Tranfering the numbers to posterboard lets you check fit & works as a templet. Just one size too lean is all it takes for possible disaster, therefore we offer you some guidelines that you want to consider as you refer to them Jun 7, 2020 · Spec 2 expansion chambers for RD350lc Started by top-jelopy, June 07, 2020, 08:33:53 PM Previous topic - Next topic 0 Members and 1 Guest are viewing this topic. These should be fully repainted before use. I use TSR software. Simply put, JL chambers are the best pipes available for your air cooled RD or R5. DG Expansion Chambers Performance Exhausut for RD350 All Years and RD400 1976-1978. TODAY AFTER 6 YEARS IT WAS TIME TO TAKE OFF THE EXPANSION CHAMBERS, RE POLISH THE STOCK PARTS, AND SHARE PicClick Insights - Yamaha RD 400E/F Genuine Old School Allspeed Expansion Chambers PicClick Exclusive Popularity - 31 watchers, 4. Unlocking Extra Horsepower: Proven Tuning Tips for Yamaha RD Motorcycles All Credit goes to the real Author of the article. Racer 1 Left Exhaust Yamaha RD400 Expansion Chamber with Mounting Hardware NOS Brand New $450. 00 Buy It Now Yamaha RD Carburetor Jetting Correct carburetor jetting is important for proper combustion. Choose model and click add to cart. Find top brands, exclusive offers, and unbeatable prices on eBay. SHIPPING to the USA Only. 1 bid. Mar 11, 2025 · Conclusion: Why RD350 Expansion Chambers Are Worth It So, there you have it—everything you need to know about RD350 expansion chambers! They’re like a cheat code for your Yamaha RD350, giving you more power, speed, and that killer two-stroke sound. That bike ended up with Bassani chambers, a swiss-cheesed airbox Oct 2, 2025 · Yamaha RD400 Factory Pipe Products Expansion Chambers. Note: picture is RD400 flanges, RD350 flanges basically the same with slightly smaller diameter. Home / Shop / EXPANSION CHAMBERS / Yamaha / YAMAHA – RD250,RD400 E & F MODELS – 1978-1980 Yamaha RD RZ PerformanceHOME PHOTOS COOL PICS RD/TZ/LC/RZ Engine History and Differences Customers Bikes RD400 Dragbikes RZ350 Dragbikes RD/RZ Cylinder Cutaways PORTMAPS R5,RD,LC,RZ TZ TZ Cylinders RD250, RD250LC, and RZ250 RD125, RD200 and TA125 ENGINE Porting Reedcage Modifications Expansion Chambers PROJECTS ROADRACING LANDSPEED What it's like DRAG RACING Ed Miller Racing DKG TZ250 Framed Shop Exhaust Systems for Yamaha RD400 with eBay Guaranteed Fit. Great deals. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Description Yamaha RD400 Race only steel expansion and alloy muffler exhaust system,Great system for any Yamaha period RD race bike . Home / Shop / EXPANSION CHAMBERS / Yamaha / YAMAHA – RD250,RD400 C,D MODELS – 1976-1977 Explore a wide range of our Yamaha Rd400 Sale selection. Nov 27, 2024 · DO YOU LOVE THE SOUND OF TWO STROKES WITH EXPANSION CHAMBERS? I LOVE THAT SOUND AND THAT IS THE FOCUS OF THIS VIDEO. Yamaha’s RD350 was probably the most successful pro- duction road racer ever made. Pair of left and right Yamaha RD400 expansion chambers exhausts, designed for tuning and styling motorcycles. We partner with leading brands and offer a carefully curated selection for riders who value quality, heritage, and the unmistakable sound of a proper two-stroke. Shop now for fast shipping and easy returns! Dec 19, 2024 · I EVIL TWIN OUT MY RD400 OFTEN AND CHANGING OUT THE EXHAUST IS A BIG PART OF THE PROCESS. Powered by a 399cc two-stroke parallel twin paired with a six-speed gearbox, it is equipped with 18″ cast alloy wheels, front and rear disc brakes, and a side stand Feb 1, 2006 · Who makes Yamaha RD400 expansion chambers Discussion in 'Motorcycle Technical Discussion' started by glenb900, Feb 1, 2006. If the carb is jetted too lean the combustion temperature could get too hot resulting in either a seized piston, or a hole melted right through the top. . Made specifically for Yamaha bikes, these exhausts enhance the performance and aesthetics of the RD400 model. The expansion chamber design software is used to design the tuned pipe for the exhaust system of micro-car engines. PUMP UP THE VOLUME. Description Yamaha RD350 1974- Race only steel expansion and alloy muffler exhaust system,Great system for any Yamaha period RD race bike . Expansion Chambers Rolled cone expansion chambers are by far the easiest way to build pipes for R&D & limited production. Steel construciton. 1 sold, 0 available. MADE BY EXPERIENCED TWO STROKE EXHAUST MANUFACTURERS' IN STAINLESS STEEL WITH CARBON SIL Sep 4, 2015 · RD400 Expansion chambers RD400 (1976-1978) Unparalleled Quality and Performance 13 hp increase through the mid-range and top end Ten pounds lighter than stock All mufflers can be rebuilt NOTE: Please contact us for International orders for this product. com*** JL (Jim Lomas) Expansion Chambers - Yamaha R5/RD350/76-77 RD400. Massive selection from top brands on eBay. The use of good software saves a tremendous amount of time in design & layout. You can choose between single-stage, two-stage, or three-stage diffuser chambers based on performance goals. Aug 28, 2025 · NOS Racer 1 Left Exhaust Yamaha RD400 expansion chambers, mounting hardware and instructions included. com Jul 18, 2010 · Stage II port job. Get the best deals for Yamaha Rd400 Expansion Chambers at eBay. HIGGSPEED LIMITED, UNIT 4K, MOOR PARK INDUSTRIAL ESTATE, BLACKPOOL, LANCASHIRE, FY2 0JY, UNITED KINGDOM Jan 28, 2021 · Are DG Expansion Chambers THAT Bad? Started by cdbiker220, January 28, 2021, 04:19:58 PM Previous topic - Next topic 0 Members and 1 Guest are viewing this topic. 4 new watchers per day, 7 days for sale on eBay. 13+/- hp increase, 10 pound weight reduction and bolt on easily. MY RD400 HAS HAD YEARS WITH EXPANSION CHAMBERS AND NEW CARBS AND I TRIED TO INCLUDE THINGS THAT WORKED FOR ME ON THIS VIDEO. com. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Sep 17, 2020 · Rejetting after expansion chambers Started by GHtokyo, September 17, 2020, 03:52:42 PM Previous topic - Next topic 0 Members and 1 Guest are viewing this topic. If you are serious about racing and trying to save weight, the best low Yamaha RD350 RD250 LC 1980-1983 Exhaust Expansion Chambers Chrome Brand New · Delkevic (3) $656. There are still thousands of them running around, ridden by owners who like the power, and who’d like more power still. With this comes news that DG Performance Apr 19, 2019 · Is it acceptable to swap expansion chambers designed for one model onto a different bike? I have DGs for an RD400 (that were represented as RD350 pipes by the seller) and Factory Pipe 's for an RZ350. Would there be any issues with running either of these on an RD350 after relocating the mounts as necessary? Sharing my build of a 1976 Yamaha RD400 full race engine. YAMAHA – RD250,RD400 C,D MODELS – 1976-1977 Select options YAMAHA – RD250,RD400 E & F MODELS – 1978-1980 Select options YAMAHA – RD250LC, RD350LC – 1980-82 Select options YAMAHA – RD250YPVZ & RD350YPVS & 31K & F1 – 1983-1985 Select options YAMAHA – RD125 – 1972-1980 Select options YAMAHA – RD125LC/YPVS 1982-87 Select options Mar 1, 1978 · QUICK POWER FOR YAMAHA'S RD DG Heads and Expansion Chambers Make a Good Pocket Rocket Better Len Vucci Some combinations are impossible to resist. better breathing now. *Calfab swingrams coming soon 2021 Highest quality materials and construction On tracks across the country, Classic professional racers rely on the strength of Motogpwerks exhausts. A PAIR OF ALL NEW AND EXCITING AFTERMARKET RACE STYLE EXPANSION CHAMBERS FOR YAMAHA RD350 lc ypvs MODELS. If you are serious about racing and trying to save weight, the best low-cost 100 Nov 6, 2025 · expansion chambers for RD350 and RD400 Started by Still biking, October 08, 2020, 01:10:33 AM Previous topic - Next topic 0 Members and 1 Guest are viewing this topic. Super high amount watching. Rd400 with Stage 1 porting done by Chuck Supertune Quenzler, Moto Carrera Chambers, Rdd Cdi, Tm28 flat slide carbs. More More to explore : Paintball Marker Expansion Chambers, Hyperbaric Chambers, Aluminum Chamber Vacuum Chambers, Motorcycle & Scooter Fuel Tanks for Yamaha RD400, Motorcycle & Scooter Windshields for Yamaha RD400, Men's Pair of Thieves, Vacuum Chambers, Environmental Test Chambers, Women's Wild Pair, Antique Chandeliers, Fixtures & Sconces Pair May 5, 2024 · This 1979 Yamaha RD400 Daytona Special underwent a refurbishment under prior ownership that included rebuilding the engine, suspension, and brakes along with repainting the bodywork in white with red and black accents. A sliproll Home Vintage Parts Catalog Exhaust and Mufflers DG Exhaust DG Exhaust DG Performance Exhaust R5, RD, RZ Expansion chambers Apr 26, 2021 · Expansion chambers Started by Stacy1968, April 26, 2021, 10:33:25 PM Previous topic - Next topic 0 Members and 1 Guest are viewing this topic. 20 gage works well. 99 Whether you ride vintage or modern, race or restore, we’re here to supply everything you need — from high-performance expansion chambers to rare parts and accessories. YAMAHA – RD250 & RD350 – 1972-1975 Select options YAMAHA – RD250,RD400 C,D MODELS – 1976-1977 Select options YAMAHA – RD250,RD400 E & F MODELS – 1978-1980 Select options YAMAHA – RD250LC, RD350LC – 1980-82 Select options YAMAHA – RD250YPVZ & RD350YPVS & 31K & F1 – 1983-1985 Select options YAMAHA – RD125 – 1972-1980 Exhaust flange Set for DG Expansion Chambers by DG, Sold in pairs with springs for the Yamaha RD350 (all years) and RD400 (1976-1978). If you live outside the USA you need to contact HVCcycle for a 1 day ago · If you were buying expansion chambers today,. Techniques shown include engine assembly, measuring port timing, carb build, expansion chamber exhaust design and fabrication, dyno test Get the best deals for Yamaha RD Expansion Chambers at eBay. There are dents present on both pipes and a few repairs that have been made (see photos). Introduction to Power Tuning Yamaha RD Motorcycles BY DAVID FREIST When I first started out trying to get more power out of my stock RD I relied on the experience I had with my first RD-350, a ’73 #101439. To purchase Lomas pipes for Europe, please visit JL-exhausts. 12f nib ypkyq kcry mjd a8db nm iubd lk7gaqdb y4oenh