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Topics - 85RZwade

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eBay/Craigslist watch / John Lassak expansion chambers on eBay
« on: February 20, 2022, 08:53:38 PM »
Not mine:

Sure look nice. Dennis should probably buy them and keep them at my place!

Turning Wrenches / Figuring out this braking conundrum
« on: February 19, 2022, 07:36:48 PM »
I'm trying to match up the front master cylinders I have to the front calipers/rotors of the project bikes languishing in the barn, and I've been referring to the magic Vintage Brake ratio chart.
I started out looking for a suitable master for my RD350 with 6-piston TL1000R caliper and 320mm disc (I know): four 27mm pistons and two 24mm pistons is 3193.38 square mm. I have on hand a 1/2" master (CBR600F2) that the chart says will yield a 25.2:1 ratio, which is right in the sweet spot. But...that F2's four 25.335mm pistons are 2015.45 square mm, which the chart puts at 15.9:1, well into the "wooden" category. I can't imagine Honda getting it wrong, so I checked the Ol Faithful RZ for comparison. It has two stock 38.18 pistons (2288.6 square mm) acted upon by a 5/8" master, which the chart says is an 11.46:1 ratio; oughtta be awful. It isn't, and hasn't been for 20 years. I must be doing something wrong, and it's surely my math but I can't find my mistake(s). Anybody feel like crunching numbers?

eBay/Craigslist watch / FPP pipes for RZ350
« on: February 05, 2022, 12:00:15 AM »
I know, they're rough. I think they've been discussed here before...

I made an offensive lowball offer...basically lawn-bowling low. They might as well get SOMETHING for them, right? a little welding, a set of TYGA cans, a sandblast and respray... :omg: what was I thinking  :burnout:

Or, hell, a set of these cheapies:

And run 'em

Maybe I can win these!


eBay/Craigslist watch / NEW Honda NS50R Craigslist Washington
« on: February 04, 2022, 12:59:41 AM »
Not mine, claimed to be new-in-crate! Possible?

Ellensburg is smack in the middle of Washington, near...nothing, really. (I went to school there, so I get to cap on it a little)

eBay/Craigslist watch / RZ350 Spec IIs
« on: February 01, 2022, 12:19:15 AM »

Turning Wrenches / Source for JDM parts needed
« on: January 09, 2022, 04:26:04 PM »
I bought a lovely swingarm from peaky here, for a 1988 3EN1 JDM FZR400R and I need to find a source for parts. Neither CMS nor Megazip have breakdowns for a model with this braced beauty, and it...well, it's a long story. Anybody have a sweet source for parts for Japanese market bikes?

Turning Wrenches / Good article
« on: January 01, 2022, 11:05:08 AM »
This was posted over on the RZ/RD site and although it's about the V-twin TZs, it's good general 2-stroke information and a nice read. It's long, so get comfortable!

eBay/Craigslist watch / Doh! "Nothing in the background..."
« on: December 31, 2021, 09:34:47 AM »

Thought I'd stumbled on treasure for a moment; read the description and know heartache.

General Chatter / Treatland sale
« on: December 23, 2021, 12:47:44 AM »
15% scruffmcgruff is the code

Turning Wrenches / Gears, sprockets and chainwheels...Oh, my!
« on: December 22, 2021, 01:05:23 AM »
I'm having one of those moments when I realize I don't know the question to ask, much less the answer. I gotta acquire a rear sprocket for my RD350B project, but how many teeth (OK, I knew that question)?
The known values:
'75 RD350 primary gears
'76 RD400 transmission
520 chain
TDR250 rear hub, same sprocket as FZR400 (520)
The 400 countershaft is the same spline and size as my RZ and TZ, so I have a couple of front sprockets to play with, but I have to buy a rear. Is there a way to make an educated guess, or have I entered the realm of the experimental?

Turning Wrenches / Looking for a stripper
« on: December 12, 2021, 04:43:02 PM »
That got your attention! I talked myself into painting my RD350 cylinders before assembling the top end...and then looked at them closely. They're going to be awful to media blast with all the deep crevices between fins and such. Is there a better, perhaps chemical way to strip these things prior to painting?  :umm:

Turning Wrenches / What exhaust to buy?
« on: December 09, 2021, 12:34:19 AM »
The short version is: can anyone give me a reason NOT to order a set of Lomas street racers from Economy for my '75 RD350 (Ritter-massaged cylinders and heads, HPI iggy, 28mm PWKs and RD400 transmission)?
I know, I take forever to decide these things  :clownshoes:

eBay/Craigslist watch / Timing Gauge on the 'bay
« on: December 01, 2021, 08:49:36 AM »
Not mine:

Kinda beat up, so it's accuracy may be questionable. Neat collector's item, though.

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