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#1
Turning Wrenches / Re: 1980 RD 400G workshop Manu...
Last post by 604Paulb - Today at 11:51:08 AMI did a quick measurement on the forks and you're 100%. They are 34mm. I do have the correct swing arm for the G but will be ISO some 35mm forks. I have been looking into parts, looks like it might take some time to find a set to rebuild.
#2
Turning Wrenches / Re: 28mm Mikuni - What are the...
Last post by LMS - Today at 06:50:46 AMOn another note, you might want to think about getting pod filters that don't have the end caps.
#3
Events / Re: Donut Derelicts - May 04, ...
Last post by SoCal250 - May 05, 2024, 11:19:58 PMThis event takes place every Saturday morning, and has been going on for almost 40 years. It started with just a small group of friends meeting in a parking lot. https://www.donutderelicts.com/
Some pretty wild stuff shows up there and the lot gets packed.
Some pretty wild stuff shows up there and the lot gets packed.
#4
Turning Wrenches / Re: 28mm Mikuni - What are the...
Last post by SoCal250 - May 05, 2024, 11:14:53 PMJoe,
The two large upward angled nipples on the inboard side of the carbs are bowl vents. They were originally connected with a hose to the airbox. I just connect a short piece of hose to mine and let them hang down. Some people who are running a Y-boot instead of the stock airbox drill holes in the bottom of the boot, add nipples, and run hoses to them. A third option is you can remove the brass ball in the bottom of the bellmouth covering the airjet, clean the jet, then block off the vent tubes. Do not block the vent tubes unless the airjet has been unshrouded.
The two smaller nipples on the bottom of the bowls are fuel overflow for the float bowls.
The two large upward angled nipples on the inboard side of the carbs are bowl vents. They were originally connected with a hose to the airbox. I just connect a short piece of hose to mine and let them hang down. Some people who are running a Y-boot instead of the stock airbox drill holes in the bottom of the boot, add nipples, and run hoses to them. A third option is you can remove the brass ball in the bottom of the bellmouth covering the airjet, clean the jet, then block off the vent tubes. Do not block the vent tubes unless the airjet has been unshrouded.
The two smaller nipples on the bottom of the bowls are fuel overflow for the float bowls.
#5
Events / Re: Donut Derelicts - May 04, ...
Last post by busa1300 - May 05, 2024, 11:12:34 PMWish there were cool shows like that somewhere remotely close to me... only bike shows in my area are push rod related 
#6
Turning Wrenches / 28mm Mikuni - What are these l...
Last post by Joe6v6 - May 05, 2024, 09:10:22 PMI assume these are the stock carburetors,77 RD400, what are the inlets in the middle. Are they overflow for the float bowl? What are the other 2 smaller diameter inlets? Where should I run these lines to. Seems very difficult to find a diagram of all the lines that come off these carbs.
#7
eBay/FB Marketplace/Craigslist watch / 1979 Yamaha RD400 Daytona, NR ...
Last post by SoCal250 - May 05, 2024, 08:18:30 PM(not mine)
This Daytona sold on BaT a little over a year and a half ago for $9500, today it sold for $16,750!
And it appears the seller made no changes and only put 30 miles on it.
1979 Yamaha RD400F Daytona Special
https://bringatrailer.com/listing/1979-yamaha-rd400-daytona-special-10/
Sold for $16,750 on 5/5/24
This Daytona sold on BaT a little over a year and a half ago for $9500, today it sold for $16,750!
And it appears the seller made no changes and only put 30 miles on it.1979 Yamaha RD400F Daytona Special
https://bringatrailer.com/listing/1979-yamaha-rd400-daytona-special-10/
Sold for $16,750 on 5/5/24
#8
eBay/FB Marketplace/Craigslist watch / 1976 Yamaha RD400 NR - BaT - O...
Last post by SoCal250 - May 05, 2024, 04:25:38 PM(not mine)
Sort of crazy money for a not-stock 400. (Repainted in the wrong shade of red.) I mean it's clean but holy smokes!
1976 Yamaha RD400C
https://bringatrailer.com/listing/1976-yamaha-rd400c-10/
Sold for $11,250 on 5/5/24 (that's $11,812 with buyer's fee, and then there's any shipping costs on top of that)
Sort of crazy money for a not-stock 400. (Repainted in the wrong shade of red.) I mean it's clean but holy smokes!
1976 Yamaha RD400C
https://bringatrailer.com/listing/1976-yamaha-rd400c-10/
Sold for $11,250 on 5/5/24 (that's $11,812 with buyer's fee, and then there's any shipping costs on top of that)
#9
General Chatter / 2024 The Quail Motorcycle Gath...
Last post by kpke - May 05, 2024, 03:26:16 PMWell, it was fun for a couple of hours...
#10
Race Discussions / Re: 2024 MotoGP - Roberts
Last post by SoCal250 - May 05, 2024, 03:23:00 PMMotorSport.com: THE RIDER MAKING A BREAKTHROUGH TO AWAKEN MOTOGP'S "SLEEPING GIANT"
Pretty cool stats:
-- For the first time since 2006, an American rider leads the standings in a grand prix class of the MotoGP world championship.
-- 3 podiums in a row, the first rider to do that in any GP class since Nicky Hayden in 2006.
-- And coincidentally, Roberts currently has 69 points.
Looking forward to what he can do at Le Mans!
Pretty cool stats:
-- For the first time since 2006, an American rider leads the standings in a grand prix class of the MotoGP world championship.
-- 3 podiums in a row, the first rider to do that in any GP class since Nicky Hayden in 2006.
-- And coincidentally, Roberts currently has 69 points.
Looking forward to what he can do at Le Mans!