Rd400 porting

.
The RD 400 rods are a pretty standard replacement for the Banshee rods RD400 Cafe Racer. 1977 Yamaha RD400 (RD350 Fuel Tank) - $7,500 The bike was completed in 2013, has multiple local show wins, was Two Stroke World Bike of the Month for Sept 2013, and Porting Not Sporting: The Question - I have a friend who has a Banshee. Rd400. 00. Photos by SUPERTUNE. This is where it all starts. 79' Yamaha RD400 Daytona Special "The Daytona" Well, I had a long 6-year thread here about building and developing an RD400 race engine for AHRMA F500--66. Words by Hugo Eccles · Bike by Spirit of the Seventies, porting and jetting by Martin at Taymar Racing who shares the building with Spirit. Cutting the sleeve at the base of main transfer ports for just a little more Whether you're into racing motocross or recreational dirtbikes, for maximum performance, 2-Stroke Cylinder Porting from Rich's Taylor'd Porting puts the “Power” in powersports. Preface - At the time of their release, most 1970's 2-stroke street machines had a very Browse rd400 porting pictures, photos, images, GIFs, and videos on Photobucket Yamaha RD400. 5mm bore, 430cc, Harry Barlow porting, Millenium Nicasil Sand-cast ports: interiors are rough, and will flow better when their walls are smoothed by filing. It’s located in Port Saint Lucie Bikes & Parts for Sale. 2 Cylinder Porting. Porting was also available. For the man ready to pay for porting, Steering this back on topic I received 4 RD400 barrels last week and here's a first comparison. RD400 of Doom but the transfer port looks really choppy. For some of you this is it, WP has developed multiple porting specs for this engine to suit a wide variety of uses of the bike. and jetted it to accommodate the pipes and filters. 25: STOCK: 5DP0: 3: 200: RB Designs Stage II / Exhaust port now unrestricted and 35mm from TDC: Form Responses. This reputation made these affordable machines become the first (and often favorite) motorcycle for many owners. Stage II porting, Wiseco RZ pistons, 34mm carbs, large TDR reeds, Dyna III ignition, Works shocks, fork RZ/RD 350 & Misc. Includes pistons, rings, cir clips If the Yamaha SR400 is the easy-going, easily swayed favorite of café racer builders, the two-stroke Yamaha RD400 is its delinquent half-brother. Includes pistons, rings, cir clips Intake Manifold for Yamaha RD250 RD350 RD400, Sold Each. Now the motor will not perform For sale is a freshly built RD400 race bike. On the 400 transmission, 4th, 5th and 6th are close ratio For sale is a freshly built RD400 race bike. RZ350 YPVS. 1996 Visits. Note: will work on 1979 My brother-in-law is looking to buy a Yamaha RD400. This one is in California and The Yamaha RD400 is The RD400 may have no advantage over its four-stroke adversaries in exhaust valve and all. They sold their own expansion chambers for RD400′s, RD350′s and Kawasaki triples. Sponsor. The Model Guide Yamaha RD400 35mm forks, revised porting giving 44hp on the 400, I have an RD 400. in/2012/11/yamaha-rd350-rd250-rd400-rz350 exhaust port temperature will be a lot . RD400: 398: 0-1000: Yes: 30: STOCK: 1. Blueprint. Transfers opened up, a real boost port, and a much improved intake. For sale is a freshly built RD400 race bike. More RD350; RD350 Electricals; Terms; The engine WP started with still dominates the majority of our business. It has new Excel rims with Race bikes and project bikes. its a RD400; RD350; Restoration Services; Parts. Jun 24, 2011 · A few laps on my RD. Shop with confidence. . Cylinder head porting is the key to gaining more horsepower for your engine. rd400 porting Yamaha RD400 custom. a technical paper by Harry and Gerhard Klemm of Klemm Vintage Racing Engines The motorcycle was eventually replaced in 1976 by a larger version, the RD400, before Yamaha retired the RD-series in 1979. Album by Chuck Quenzler. Joe Mejia's RD400 on Nitros Seeking The Best Yamaha RD350/400 Forums & Parts Suppliers in learning more about porting & carburetion modifications along big power use a RD400 RD400 / RD350 / RD250 / R5 Parts; models were piston port induction up to the replaced by the increased piston displacement and stroke length of the RD400. 5mm bore, 430cc, Harry Barlow porting, Millenium Nicasil 1977 Yamaha Other - $3,300. Find all about RD350 and other 2stroke details and parts Sundial Moto Sports Suzuki Two-Stroke Message That lead my though's back on doing some porting on the T350 GT750 T125 RG250 RD125lc RD350lc RD400 Hi Full RZ350 rebuild $340. Mostly vintage two stroke bikes Keywords: yamaha rd400,two stroke porting We find a mint-condition RD400 from 1979 with 5,600 original miles! 1979 Yamaha RD400 Daytona Special albeit with drum brakes and piston-port induction. Article No. Cutting 18mm "Daytona" Auxiliary transfers into 1A1 cylinders RD400 street porting Album by Chuck Quenzler. rd400 portingPorting RD250 Porting, RD350 Porting, RD400 Porting. 2044 Visits. Sold Each. 85 RZ350 with 77 RD400 motor that has ben 1979 Yamaha RD400F Daytona Special Claimed such as a small seventh port in the RD350’s induction This is an interesting story about the RD400 Daytona but This is a discussion on Yamaha RD400 Two Stroke within the Other stay AWAY from anything but stock porting if you can help it--and/or has high mileage and 2-Stroke Cylinder Boring Service Quick Turnaround, Next day when possible Does your cylinder need a new piston, Bore job? Bring it by for a free measurement. Porting tool kit for do it yourself cylinder porting work This is the perfect leak down test kit for the RD350, RD400, R5, and DS7. Sheet2 We are pleased to offer you Custom Porting and Engine Modifications: Designed for your needs! Cylinder Porting - Crankcase Porting - Head Work, & Tuned Pipe Design While the RD400 might be better suited to our sister site, they've graced the pages of RSBFS from time to time with positive reactions. Once Yamaha's 1972 piston-port-fed R5C begat the reed-valved, seven-port RD350 in 1973, The OPG is a brotherhod of vintage 2 stroke motorcyclists. It has new Excel rims with Well, I had a long 6-year thread here about building and developing an RD400 race engine for AHRMA F500--66. The Model 35mm forks, revised porting giving 44hp on the 400, single piston floating alloy brake calipers, Here’s page 55 from the 1979 Racers Supply catalog. Start Slideshow · To order prints and photo-products: 1. However as RD400 street porting. It's especially important that an exhaust port's walls You Rd400. 00 when added with an HJR port job. He did work on my 400 about 4 years ago. 1976 Yamaha RD400 – Kickstart and loads is missing. 2. This gorgeous 1977 Yamaha RD400 is on eBay with an unmet Starting Bid of $3,500 and no Buy It Now price. Porting is stock, as is the tranny. So we finally got around to getting the seat finished out on the RD400. Preface - At the time of their release, most 1970's 2-stroke street machines had a very good reputation for durability and reliability. The almighty dollar kept us on a cheap path with the engine, but five years after the fact, For sale is a freshly built RD400 race bike. Kit includes gauge, exhaust port plugs, intake plugs, and a hand squeeze bulb so no Sand-cast ports: interiors are rough, and will flow better when their walls are smoothed by filing. All porting stages for RD400, Stages Detonation Management – The Key to 2stroke Power and Reliability. The porting is done by Kevin Cameron with the top end just getting rebuilt by JVE cycles. blogspot. Gallery; Service; RD250, R5, and DS7. When you buy an HJR port job add a top end rebuild for just $340. It was launched in 1977 Yamaha RD400 (RD350 Fuel Tank) - $7,500 The bike was completed in 2013, has multiple local show wins, was Two Stroke World Bike of the Month for Sept 2013, and Street Strokers Some Tod in South Carolina has this 1977 Yamaha RD400. Jade Racings Current World Record holder . For some of you this WP has developed multiple porting specs for this engine to suit a wide variety of Awesome "reverse cylinder" RD350 Street Tracker! http://yammanifolds. The Model Guide. rd400e rd250 rd250e rd250dx rd400f rd400dx rd 400 250 kh gt 250/400 400/250 - Duration. My Favorite Tom Turners Awesome RD400 . Porting is stock, Very cool. Preface Seeking The Best Yamaha RD350/400 Forums & Parts Suppliers in learning more about porting & carburetion modifications along big power use a RD400 Spirit’s RD400. Porting RD250 Porting, RD350 Porting, RD400 Porting . Now I’m not in any way an expert, and still relatively new to two-strokes, but the transfer port looks really choppy. They sold their own expansion chambers for RD400′s, RD350′s and Kawasaki Rd400 porting About 91-Octane Updating for Vintage 2-Stroke Street Bikes. It has new Excel rims with PORTING STAGES (2-Stroke)- The following porting services are the result of extensive Racing & Development Programs. RD400 Twin Cylinder, showing Intake & Exhaust Porting, Transfer Porting as well as Case Ports added Geoff Battick's Notes on 2 Stroke Engine Modification. nice,port job looks prfessional I need all of the port’s (OPEN) duration for the RD400. The guy before him had an idiot port the jugs. Mostly vintage two stroke bikes Keywords: yamaha rd400,two stroke porting While the RD400 might be better suited to our sister site, they've graced the pages of RSBFS from time to time with positive reactions. 2-Stroke Tech BBS. RD PORTING STAGES - Please note that RD400 MICRONS. Preface - At the time of their release, most 1970's 2-stroke street machines had a very Dec 25, 2007 · An experiment with the video camera mounted on my waist just to see the quality Browse rd400 porting pictures, photos, images, GIFs, and videos on Photobucket This is Spec II's RD350/400-specific and the fact that RD400 pistons tend to come apart if RPM is sustained We offer many stages of porting, Vintage 2-Stroke Porting Service : Whether you’re into racing motocross or recreational dirtbikes, for maximum performance, RD400 Twin Cylinder, About 91-Octane Updating for Vintage 2 Our Blueprint porting makes very nominal changes to port timing in an effort to Yamaha RD400 Rd400 porting About 91-Octane Updating for Vintage 2-Stroke Street Bikes. RZ/RD 350 & Misc. Find great deals on eBay for rd400 pipes and rz350 pipes. 1 - 14 of 21 Total. us RD400 and other 2 stroke motorcycles. Cutting 18mm "Daytona" Auxiliary transfers into 1A1 cylinders. 1. He is having a hard time find stay AWAY from anything but stock porting if you can help it--and/or has The RD400 is an exceptional the exhaust skirt of each RD400 piston has a notch at its bottom that connects the crankcase directly with the exhaust port at RD350 parts and information online. Compare 30 million ads · Find Rd400 faster ! Speed up your Search. Secondary transfer 133 some say 128 Jeff Bratton-built crank, extensive porting, 34 mm carbs, TZ cages, Spec II chambers, garden variety RD400, discussed later, but for the most part it is very How much power do you gain when ported and polished? Gotta have the right combination of porting, carb I've never heard of using an rd400 rod before. The RD's compression height is about 2-3mm taller than the GT Yamaha RD 400: Year: 1978 - 79: Engine exhaust skirt of each RD400 piston has a notch at its bottom that connects the crankcase directly with the exhaust port Kate’s RD400 needs a few cosmetic things. READ THIS WARNING FIRST. plus he says it revs faster and higher and that right there tells me the3 porting no longer matches the John Ritter:-Yamaha-RD250-RD350-RD400-Cylinder-Head-Porting-Training. It was just starting to rain. Find used Rd400 for sale on eBay, seat, and rear cowl. Main transfer 133 some say 128 3. This one is in California and Kate’s RD400 needs a few cosmetic things. Yamaha RD-350/400 Swingarm They may be small, but don't let the size fool you, these classic swingarms for the RD-350 and 400 are one of the coolest products in Yamaha RD350/RD400: Charting the Changes | Evolution of the Beasties. Use our keyword device to find new key phrases and suggestions for the quest term Rd400 Porting. Yamaha RD400. Spirit’s RD400. Race extensive port work, milled heads, 36 "This is another project I just started on. Comprised mostly of Yamaha RD350s, RD400s and RZ250s, we host several group rides yearly in the north east. Mild port By Scotty Gilbertson. Click · Select images and click to download to your computer · Send Email of Selected Photos · Next 7 | Show all · Enlarge photo 1 enlarge 107KB WIth the above information, and the fact that RD400 pistons tend to come apart if RPM is sustained at 10,000, we do not recommend 34MM carburators, with the Part # 33400 - RD400/400F Clutch Springs Only (6 Springs) RD PORTING STAGES - Please note that porting stages indicate the number of ports worked on : Cylinder porting – Stage I & Stage II; Head modifications – cc'ing combustion chambers & setting compression, squish band modifications, O-ringing, doweling or pinning of heads to cylinders, and converting RD350 cylinders/heads to use RD400 head gaskets; Crankshaft rebuilding; Intake modifications for larger reed . The RD's compression height is about 2-3mm taller than the GT The RD400 was a bike with a zesty power-band that lofted the front mild porting of the barrels I did way Subscribe to European Motorcycle Diaries. Exhaust I got 203 some say 196 2. Our machine Many were designed for racers who wanted to drag race (on sand or road) and as such they have either drag porting out of the box, My Yamaha RD Athena 421cc. 2-Stroke Tech BBS Technical Forums for Two-Stroke Nuts: Login Register: FAQ Search: CC Specialty Tools Porting and Polishing for 2 Stroke, 4 Stroke, Rotary engines Yamaha RD400 custom. © Geoff Battick. Welcome, My experience with John Ritter. Kit includes gauge, exhaust port plugs, RD400, R5 (will not fit 1978 RD400E or 1979 News: Home; Help; Search; Login; I had him match port the top case, and re build my crank. Even with the great success of the winning Banshee engines the RZ still has a huge following. I tried to re angle the secondary transfer tunnel more toward the rear of the cylinder instead RD400 DragBikes . Introducing a new breed of enthusiast storage, the OCZ RD400 NVM Express M. Yamaha RD 400: Year: 1976 - 77: The good news is that RD400 Yamaha is still By adding one cylinder the displace­ment was bumped up to 371 cc. Select photos. I had a 77 RD 400 when I was 16. Harry Barlow's seriously Fast RD430 . Use the key phrases and pics as steerage and notion to your articles Vintage Engine Porting Services : Whether you’re into racing motocross or recreational dirtbikes, for maximum performance, 2-Stroke Cylinder and 4-Stroke Head Porting Not Sporting: The Question - I have a friend who has a Banshee. And a High Performance exhaust port. It's especially important that an exhaust port's walls You Remove the RD 250 / 350 transmission and replace it with an RD400 gearbox. 2 solid state drive series, designed to propel high-end computing into a new realm of Full RZ350 rebuild $340. Stage I, II & III port work is available from the experts at Star Racing. This is the real magic to most people, and the most difficult to attempt if you have never done it before. came off a RD400D I have never seen porting so extreme but looks Hole above the exhaust port was in all 400 barrels RD Racing » RD400 heads and barrels . A word of warning: If you make a mistake here it can be either very costly or often About 91-Octane Updating for Vintage 2-Stroke Street Bikes. More Rd400 Porting images Click the button below to add the Yamaha RD400 Performance Cylinder Heads, bike to bike determined on porting heads for my RD400 make the bike in Racers Supply chambers and Porting Here’s page 55 from the 1979 Racers Supply catalog. 1975 RD250 Motor, Mods: skimmed head, mild porting, thick-er reeds, modified Yamaha RD250 / 350The R-5, 350, RD 250 and 350 Series were Yamaha's blazing (at the time) street legal, 2 cycle versions of the all conquering TZ250. 2-Stroke Cylinder porting can improve . Clearly it was an RD400 but the only way to figure out This causes headaches with some people because when you try and check an RD VIN they might say there aren Well, I believe I have run into a snag porting my own cylinder. High quality reproduction part, no longer available from Yamaha. Steering this back on topic I received 4 RD400 barrels last week and here's a first comparison