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Feb 21st 2016, 04:50 PM   #1
 holypiston's Avatar
 
  Jan 2016
  Vancouver, WA

1979 RD400 Daytona Special

Selling my 1979 RD400 Daytona. Not perfect, but has nice mods. This would be a good bike for someone w/ solid electrical/mechanical skills. I think the top end is going, but then I synch the old school style one cylinder running at at time. Not working for me right now! If you are good synching by ear two cylinders, I bet you'll be riding. I just can't get the right cylinder to idle alone around <1500 rpm...hook up both spark plugs and you'll be on two cylinders. The top end was bored not too long ago, believe near the end of summer 2015. Crank has about 12, 000 miles on it. Fuse box is "hella" blade fuses located under left side cover. Automotive regulator, $15 dollar chinese rectifier (it works!). <==hence the electrical..believe when the cylinders get weak the bike will have a hard time idliing..again could be electrical that you can sort that i can't figure out...harnesses were notorious for crappy quality copper wiring in the 70s from japan.

This engine has been rebuilt many times, so the actual mileage is probably around 88k. Another reason for the low asking price...i've ridden it alot over the years, but the crank and top end were rebuilt and can be rebuilt MANY times. Last time w/i the last two years (crank by Charlie Brown/top end work by RB Designs). . Shifts fine most of the time, the spec II erector set rearsets can get sloppy, so you can occasionally miss a shift. Motocarrera sells a set forthis bike under 400 if i remember correctly.

Mods:

RB Designs 140 psi 92 octane street head (squish/dowel pin centered/c.c.d for stock RD400 style pistons or squish angle about 14*. the head is sealed to 0-ringed cylinders .039-S70 o-rings (Chinook O-rings and seals in OR), no head gasket. The spark plug holes, i used permatex high temp thread sealer on spark plug threads as a slight leak there was detected w/ psi test. Mostly stock exhaust porting to 400C specs by Ron also (contact him to beef it up for the other intake and xfers if you decide to do that later on, HIGHLY suggested for stronger midrange!!!) comparing to my last top end w/ full port work..fun. Currently running Vertex Bansee pistons (3.5mm cut off the bottom all the way around), bore is @ 65.00 mm...that leaves 4 more bores if you go cast like PROX (cut the middle intake tab) or Vertex...Ron's done all this, so he's the goto guy ...the mod to make them work. YZ125 reeds (break off one petal two work, modified banshee intake boots w/ crossover tube), Custom Dyna-S ignition and trigger plates w/ two XS650 coils. Spec II 2010 classic expansion chambers. Y-boot w/ Uni tall air filter. Carbs have new needle jets (D.F. mods). Pingel hi flow dual outlet petcock. Tank recently had the debris cleaned out w/ marine degreaser. Jetting is currently 210 mains, 5DP7 needles on 5th, 2.5 slides in R5 carbs, #35 pilot @ 7/8ths, 2.0 airjet. Bike has no rear master cylinder & no rear brake...HVC sells a master cylinder you can put on ,w a little modification..ask him. New ignition switch and also a brand new spare...I don't know if i had to switch the wires last time, but tools for that can be had at the local Baxter Auto parts..special tools, not hard. Tapered steering head bearings installed, wheel bearings also (all balls). Shocks are new (thanks redkat) and are Hagon shocks for a 200 lb rider. Front springs are Traxxion? i beleive for same weight, you might want to run a heavier weight oil....so some good stuff, it looks rough, but read the specs above.

Good running nice examples of this bike can go anywhere between 3500-7500. No joke. Ask Red Lable Moto. you'll be shocked.

I'm only asking $1500 because this bike needs a little love and care. <---This is a very reasonable price for a one year only cult bike. It has dings and dents, a daily rider. The pics make it look better, rougher in person. So make no mistake, there is a little work involved, but you get a lot for your money. Bike is premix only right now @ 32:1. Have title and is currently registered. Wanna stay busy? Here you go. I rode it in the rain to The One motorcycle show, so it's a bit dirty.

I'll try to get around to cleaning (when i get the time) as my father passed away recently and I'm trying to get his remains to San Jose. Do you know the way to San Jose? I'll probably be leaving Vancouver midweek (FEB25 and won't be back until sometime near mid march i guess.

So if you like to constantly tinker and enjoy making a lot of chainsaw noise...this is for you. Guys looking for turn key bikes need to look elsewhere, but these are very simple machines to work on.

I'm going to try synching it w/ a VW snail synch and see what's up. Haven't used that yet.

Pics coming...
Attached Thumbnails
1979 RD400 Daytona Special-9-2011-400f-w_ridge.jpg  
beansbaxter and Redkat600 like this.

Edited by holypiston on Feb 22nd 2016 at 01:27 PM Reason: leaving Vancouver from FEB24~MAR10 or thereabouts
Feb 21st 2016, 05:08 PM   #2
 holypiston's Avatar
 
  Jan 2016
  Vancouver, WA

More pics... O-ring cylinders, cut heads...don't scrape the heads I use CRC gasket remover spray, let sit 1/2 hour and wipe for most of it to keep them nice and shiny w/o scraping. If i have to scrape i use a 3M green pad, to do @ a minimum.

I also have a spare stock head that will go w/ this unmolested. That is worth probably around 300~400 I would think alone. Don't try running it on this motor w/o consulting a tuner first to measure squish and all that. It should be up in the attic somewhere as i bought that last year also.

Trust me, you won't see too many daytonas w/ these mods going for this cheap. Put another grand or some and sweat equity and you could probably ask upwards of 3500 or more...

So in the words of The Lost Boyz, "check it out Mikey!".
Attached Thumbnails
1979 RD400 Daytona Special-400f-bgask-replace2.jpg   1979 RD400 Daytona Special-daytona-14squish.jpg  
Feb 21st 2016, 05:14 PM   #3
 holypiston's Avatar
 
  Jan 2016
  Vancouver, WA

ignition pics (custom) from many years back, not Vintage Smoke, but early RB Designs...does start backward occasionally w/a weak kick..kill it kick harder and you are on your way...no problem:


Edited by holypiston on Feb 21st 2016 at 05:15 PM Reason: eye candy
Feb 22nd 2016, 06:50 AM   #4
 holypiston's Avatar
 
  Jan 2016
  Vancouver, WA

Front brake master installed 2006 (N.O.S. part) so not very old. Pingel banshee petcock is relatively new also. Using inline filters (accufilter larger triangular gold flake), but may try w/o as I've recently cleaned the gas tank and want to see if it runs better w/o.
Attached Thumbnails
1979 RD400 Daytona Special-pingelinstall1.jpg   1979 RD400 Daytona Special-400fmaster.jpg  
Feb 22nd 2016, 10:26 AM   #5
 holypiston's Avatar
 
  Jan 2016
  Vancouver, WA

Just washed the bike this morning. Cleaned and lubed airfilter, new spark plugs, cleaned chain. I still need to synchro the bike / mess w/ carbs, but here is the most current pics.








Feb 22nd 2016, 01:03 PM   #6
 holypiston's Avatar
 
  Jan 2016
  Vancouver, WA

A short video of it running. I had removed the fuel filters and ran straight lines from the Pingel petcock. Also cleaned and lubed air filter. Runs better w/ the banshee crossover tube connecting both intakes. Did a quick synch and was able somewhat to get the right side running alone. Doesn't sound too bad. I think the 220 main was just flooding it too much. The 200 is working for me.

Not a bad bike...I'd say a top end job pretty soon. Clearances for Vertex pistons would be good at 0.0017" ( you have to cut 3.5mm off the bottom all around the piston or it hits the crank). Clearances for stock is even tighter, but much more expensive (OEM) at around 0.0015". If you can find TKRJ RD350LC pistons , you can also set the clearance to 0.0015", but heavier so loose a little in performance...last a little longer and cut the middle tab on the intake side of the piston. Prox is generally 0.002" cut the intake side middle tab on that piston too. <---Again, RB Designs (google him) knows all this stuff.


Edited by holypiston on Feb 22nd 2016 at 01:05 PM
Feb 24th 2016, 07:56 AM   #7
 FeralRdr's Avatar
 
  Jan 2016
  ?

What?!!!!!!! Your selling "Shaken, not Stirred"?!!!!!

It's the end of an era.







Good Luck with the sale Kevin.
Feb 24th 2016, 08:18 AM   #8
DGA
 DGA's Avatar
Moderator
 
  Jan 2016
  PDX

  An Ape and a Husky
GOD DAMN IT! I want this, but am very short on garage space due to a stupid boat project.
Feb 24th 2016, 08:23 AM   #9
 holypiston's Avatar
 
  Jan 2016
  Vancouver, WA

Fear not, Feral.

The proceeds will go to the 84 RZ350 w/ zeeltronic electronic ignition and toomey expansion chambers. Or it will stay just in the workshop.
Feb 24th 2016, 08:24 AM   #10
 holypiston's Avatar
 
  Jan 2016
  Vancouver, WA

Quote:
Originally Posted by DGA
GOD DAMN IT! I want this, but am very short on garage space due to a stupid boat project.
I have fun memories w/ my grandfather and his boat on Clear Lake & Lake Shasta. I wasn't a very good waterskiier
Feb 24th 2016, 08:35 AM   #11
 Red Label Moto's Avatar
 
  Jan 2016
  Seattle

  all of them
I have indeed seen a few Daytona Specials at the upper range of what you suggest op. Those are the ridiculously original examples with insanely low miles from new. There are even a few still in the original Yamaha shipping crate that have never been removed from said crate still circulating.

I sold one one once for $7k. An original one with a few mods that made it a better bike in every way. It was maybe 10 years ago and I remember being ripped to shreds by some crazed 2-stroke fanatics on an Internet forum. I was the antichrist and ruining their world. The only happy campers were the bidders and the guy in Florida who bought it.

I've noticed over the years that vintage Japanese bike collectors are a breed apart. The 2-stroke division is in their own category from there lol.

But who cares about any of that? $15-hunnert bux is giving the darn thing away. You could have just posted 1 pic and said "RD400 runs $1500".
Feb 24th 2016, 08:47 AM   #12
 holypiston's Avatar
 
  Jan 2016
  Vancouver, WA

Greetings Red Label!

When you are right, you are right! I've been BANNED from both those forums. I know exactly what you are talking about. The only forum I can go on now is RD/RZ (pushstartrearset).

I've always sold my bikes relatively cheap and my GF just about kicked my ass when i told her exactly how cheap. She was pissed for a whole day. <---NO Joke. She's a solid 2 stroke fan. This bike runs.

Maybe after a tax return is filed If you like fiddling, this is your ride.

No Cams, no valves...very easy to dissasemble and reassemble. If it's smokin', it ain't broken!

Edited by holypiston on Feb 24th 2016 at 08:49 AM Reason: fanatics
Feb 24th 2016, 10:23 AM   #13
 Flyboymedic's Avatar
 
  Jan 2016
  Hazel Dell, Wa

  Honda VFR800, Husqvarna TE 610, Ducati Hypermotard 1100S, Yamaha Radian, MZ 125SM
Damn this is so tempting but alas, I know nothing about 2st's. I hope someone gets this soon so I don't have to.
Feb 24th 2016, 10:34 AM   #14
 
  Jan 2016
  92 miles from Windy Ridge, Mt. St. Helens

  2017 FZ-07; Z1000 Kawi; '84 RZ350; '76 RD400; '74 RD350; '75 RD125; '72 G5 100; '69 HS1.
Quote:
Originally Posted by Flyboymedic
Damn this is so tempting but alas, I know nothing about 2st's. I hope someone gets this soon so I don't have to.
Well, you know we aren't going anywhere.....hmm Kev might be mad if it looks like I'm potentially volunteering him for your possible assistance by saying that. But hey, 2-strokes are easy! Hell, you've built a 4-stroke for your or your Dad's racebike....that's far more complicated. I'd love to still see that bike running around town, even if it's no longer in our garage.
Feb 24th 2016, 12:26 PM   #15
 holypiston's Avatar
 
  Jan 2016
  Vancouver, WA

Quote:
Originally Posted by Quicklimegirl
Hell, you've built a 4-stroke for your or your Dad's racebike....that's far more complicated. (
That's Redkat your are thinking of!
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