Rd400 swingarm swap. separating the usable parts from the swap meet items.
Rd400 swingarm swap. The swing arm pivot and axle widths look the same To modify the Honda Swing Arm, and fabricate and install the required suspension mounts and frame bracing into the LC frame to fit the Honda's suspension set up. The racers frame rails and shock mounts are around 1cm narrower so the genuine Spondon shock mounts do not line up. If anyone knows of another that will for sure fit, let me know. Built for TD3/TR3 and TZ/A-B. Single sided swingarm swap Aug 5, 2018 · A single sided swing arm uses brute strength to support the axle Rare 1987 VFR400R (Grey Import), 86 SRX600#2, 77 RD400#2, CTX700N, 88 Super Magna, 79 CB650, 04 Jul 26, 2009 · I can say that even a mildly tricked out RD400 will loose a drag race to a good stock RD350power to weight is the be\ig reason and a RD400 isn't more than a few HP up on a 350, but the wheels alone on a 400 are at leats 12 to 14 ponds heavier than the spoked ones on a 350. 1" longer than stock. Is he on here? Turns out oily pipes stopped selling their swingarm. Does anyone know what the pivot width of the RD400/350 is? Im also not in town to measure the CB400f overall length but from some other numbers on here I think that the tt500 swing arm is close. The new design did seem a bit heavy and clunky to me. E) Swap the pivot point on the swingarms so I'll have the dual shock swingarm but with the stock pivot point. The. The rear of the bike got a Trac Dynamics swingarm, and we are still waiting Jan 24, 2006 · i've got a rd400 that i'll be running in WSMC vintage exclusively at willow springs raceway. Posted with eBay Mobile Aug 5, 2018 · Advanced Search Cancel After much thought my solution was to make second arm attached to the swingarm but shorter to reduce the radius. 2 days ago · RD swing arm upgradeWent ahead and got one local (off eBay), complete w adjusters, 2 axles and swing arm pivot bolt. but obviously the rd400 wheels are Feb 20, 2013 · C) try to find another swingarm that is already set up for dual shocks that will fit. the story: way back sometime in the very early 80's when i was about 5 years old, my This Is A Upgraded Swing Arm Kit To Fit The Yamaha RD400, Fits All Years Of The RD 400 Including The Daytona This Kit Is To Upgrade From Original Nylon Bushes To The Much Better Needle Roller Bearings. Jun 19, 2010 · Re: EIngine Swap I have done a few engine swaps. I think that the RD400 possibly 350 and the TT500 might be close enough for a swap. Mikes XS is the leading destination for Yamaha rd400 SwingArm. Converted RD350 YPVS swingarm for use in an aircooled RD. D) Maybe use spacers with that dual shock swingarm and get it to fit snugly in my frame. And we're betting it was the fastest bike there by a country mile. Jun 5, 2025 · Can anybody provide me the dimensions of the rectangular tube stock on the DG or similar swing arm? 2x 74 Yamaha RD250 racer, 78 Yamaha RD400, 72 R5/RD350, 74 YAMAHA RD 400 TIME MACHINE separating the usable parts from the swap meet items. Jul 21, 2015 · Born Free organizers Mike and Grant must have been scratching their heads, but they had the good grace to let Roland Sands' '2 Stroke Attack' into the show. Jun 24, 2025 · Visited their shop and spent some time looking over their new design. 25" Pivot bolt 16mm (I think) Nov 11, 2024 · But decades later, RSD partners with Dymag, who make a hell of a product and sent over a set of 17in wheels, wrapped in Dunlop’s track-friendly Q5 tyres. The Carbs have been vapor honed and re-jetted to work with the new DG exhaust and pod filters. Feb 22, 2010 · Any swing arm can be made to fit with the right tool. Front wheels soared all over the world with that two-stroke straight-twin wailing beneath them. There is a custom bracket allowing for an RZ Brembo front caliper. FZ/MT09 Builds. After a lot of math I hadn’t used in years on paper I settled on needing a 5. Bearing Kit Swingarm Rd350 Rd400 Xs400 Xs650 Yamaha Motorcycle Parts Mikes Xs. 5 inches vs 16. Please allow some lead time for custom builds. Maybe that's changed, but I doubt it. Added shock mounts for use on a RD frame. pretty fast track with a couple of 6th gear wot turns. 19. Even the old stand by like the GS1100 swing arm was not a direct fit. With a large inventory of vintage motorcycle parts and same day shipping in the continental US, we can assure that all your Yamaha rd400 motorcycle needs will be met here. }The other thing i do is drill and mount the metal This aluminum DG aftermarket street performance swing arm fits 1970-1972 Ds7 and R5, 1973-1975 Rd 250 & 350 and may possibly also fit Rd 400. To step things up even further, a Trac Dynamics swingarm has been added, a stunning raw billet item made from 6061-T-6 aluminium and featuring ultra-strong 7075 alloy axle adjusters. Sometimes they had to have new bearings put in, sometimes they had to be shaved, sometimes shimmed. The Kit Is A Direct Fit, There Are No Modifications Required And You Still Retain The Original Swing Arm Bolt. 'I worked on it for a year after I found a donor RD400 at a swap meet for $600,' Sands tells us. Upper triples bolted right on with new tapered bearings, Progressive springs were installed to keep it taut, and a Kawi ZX-7 master cylinder provided the right valving for May 17, 2011 · steel swingarm (drz125l is the same but 1" longer, kx100 is 2" longer, aluminum and set up for disk brake) 1) pivot bolt to end of swingarm = ~20 1/2" 2) outside mounting width at frame ~8 3/8" 3) inside mounting width at engine cases ~4 1/4" 2003 suzuki rm85 (14" rear wheel with disk break and shock linkage mounted on top of swingarm) Feb 9, 2019 · 1976 YAMAHA RD400 Custom. Trying to keep a std. to do this swap, you have to do research, experimenting and you have to know a little about what you are doing and not be Oct 31, 2010 · Dan not only provided wheels, but an RZ fork, triple clamps, swingarm, brakes and a set of worn-but-workable Toomey chambers. Discussion in 'Some Assembly Required' started by Fast Idle, There's a replica DG ally swingarm being made. Fitting the RZ front end was relatively easy. Mar 14, 2019 · Ds7,r5,rd250,rd350, rd400 total length 18' + 1 1/2 inch for rd400 7 13/16 axel spread 7 9/16 pivot Pivot bolt 16mm (I think) SR500 Swing arm pivot center to axle center in mid adjustment position - 18. a guy was telling me that i might consider using the stock rd400 wheels over the popular, lighter, rd350 wire wheels because the rd400 mags are stiffer and wont dance around as much as the wires at high speed. The Kit Contains Centre Tube, 4 Needle Roller Bearings, 2 End Spacers And 2 End Chromoly Swingarm for Yamaha R5, RD250, RD350, RD400 and TD3 - TR3 Production Racers, soon available for the RD400 Daytona (+100) Comes std. Dec 24, 2021 · Here an english made steel swingarm. 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 our line-up! Or new Billet Series arms are manufactured entirely in house from billet 6061-T-6 aluminum and feature ultra strong 7075 alloy axle adjusters to g Feb 8, 2011 · PROJECT: modernizing an RD400 alright, after many years and a few bikes posted on here just to show off, i never really started a build thread to log my work, so this will serve as my attempt at just that. +1" These are custom built per order because there are usually custom requests with different axle slot dimensions, shock location and arm length differect from +1". Hardware (bushings, axle, and spacers) NOT included. Dec 25, 2022 · Complete Swingarm Swap Rear Suspension Upgrades Oemdirtbikeparts Com. 5 stock arm. He no longer has the space or tools to do it. 'It didn’t run. 28 Axle Inside Width - 7. Mar 23, 2021 · An 80-bhp Harris/Mark Dent RD400 Special… Introduced in 1975 to replace the RD350, the Yamaha RD400 would quickly become the alpha wolf of the late 70s sport middleweights, producing ~40 horsepower at 7000 rpm. You know when the sprockets are in line,and the front sprocket is the right distance from the swingarm pivot as in forward and back and up and down{it helps to not have the spring on your shock. Aug 8, 2018 · Yamaha FZ/MT09 Forums. Now a period Spondon swingarm. Let me know if you want his number anyway. There is a long list of things that set this bike apart from a stock RD400 but the most notable thing would be the RD400 Daytona fork swap as well RZ350 swing arm swap and wheels. Wonder if this is too long? I could probably cut off about 1 inch in length, and elongate the axle holes if I had too. No clue about the brand. +1" in stock. They said, at least over a year ago roughly, that they were going to need my stock swing arm for measurements. I talked to Bill a few months ago and he said he's done making them. Apparently, for their new design, they had the rear end caps for RD400's but not for RD350's yet. Looks like it's 3 inches longer than my RD swing arm, from pivot to mid axle. The way i do it is clap flat bar to back sprocket so when you are shifting the motor right and left. 5 inch radius from the swingarm pivot to give the proper travel when the 15″ arm moves. I decided to draw it to scale on the welding table to check the Feb 5, 2022 · 76 / 78 rd 400 parts some rare have a assortment of used parts 76/78 dg swing arm revco cool heads have radiator and manifold have pictures show most of them not all parts are shown swing arm $650 heads $1300 every thing $3500 to much too list dg pipes 70s club man handle bars x2 frame bent can be fixed swing arm stock bent? the frame and cases Mar 14, 2019 · Does anyone know how to contact bill about getting a rd400 swingarm made. Chromoly Swingarm for Yamaha R5, RD250, RD350, RD400 and TD3 - TR3 Production Racers, soon available for the RD400 Daytona (+100) Comes std. 25" Pivot Width - 8. iuirmxk kbklavr fgfjcm boc xwjfm tvnfrx lzv uwi vkl udjpek