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Search took 0.00 seconds. Search: Posts Made By: pyoungbl
Forum: Zongshen RX3 01-26-2017, 12:26 PM
Replies: 226
Views: 39,306
Posted By pyoungbl
Man, you can clearly see that the thermostat is...

Man, you can clearly see that the thermostat is opening ...shooting a slug of cold water into the engine...then closing to heat the water...and opening again. In my mind it is much better to reach a...
Forum: Zongshen RX3 08-29-2016, 10:43 AM
Replies: 226
Views: 39,306
Posted By pyoungbl
jb, the thermostat from Wattman is the same...

jb, the thermostat from Wattman is the same diameter as OEM but extends farther down into the housing.
https://photos.smugmug.com/Motorcycles/2016-Zongchen-RX3/i-KfczxXr/0/M/DSCF0531-M.jpg
you will...
Forum: Zongshen RX3 08-27-2016, 02:28 PM
Replies: 226
Views: 39,306
Posted By pyoungbl
Today I got to run the bike for two hours, mostly...

Today I got to run the bike for two hours, mostly at 45-55 mph, in 90F ambient temps. When I stopped the oil sight glass was 216F. That was higher than either radiator or the water pump inlet. ...
Forum: Zongshen RX3 08-24-2016, 10:20 AM
Replies: 226
Views: 39,306
Posted By pyoungbl
Kat, the air bleed hole on Wattman's thermostat...

Kat, the air bleed hole on Wattman's thermostat is tiny. I should have tried to measure it by using a very small drill bit. The thermostat itself is so small that it's hard to enlarge that hole...
Forum: Zongshen RX3 08-22-2016, 04:20 PM
Replies: 226
Views: 39,306
Posted By pyoungbl
Update, 22 Aug with 90C thermostat

Hi Campfire friends, I finally took the mighty Zong out for a spin just to see what changed now that I have installed a 90C thermostat. On a day when it was 87F the left radiator started out at 86F....
Forum: Zongshen RX3 08-05-2016, 05:22 PM
Replies: 226
Views: 39,306
Posted By pyoungbl
Katflap, et al: I'm back from my summer...

Katflap, et al:
I'm back from my summer Walkabout (Stelvio, 7500 miles) and ready to attack the Zong over cooling issue. When last we met I had tapped a spare water pump housing for a 3/8"...
Forum: Zongshen RX3 07-02-2016, 06:34 AM
Replies: 226
Views: 39,306
Posted By pyoungbl
Taobaotrends

I have ordered two thermostat housings through Taobaotrends....two so I can screw up one and still finish the project. There have been some comments about shipping cost, that shipping was going to...
Forum: Zongshen RX3 06-25-2016, 12:53 PM
Replies: 226
Views: 39,306
Posted By pyoungbl
Katflap, is your bypass 3/8"? Did you notice a...

Katflap, is your bypass 3/8"? Did you notice a quicker warm-up? What would you do differently were you to do this again?

I have the 190F 'stat incoming but won't get to install for at least a...
Forum: Zongshen RX3 06-23-2016, 09:11 PM
Replies: 226
Views: 39,306
Posted By pyoungbl
PM sent, not recommended for all audiences.

PM sent, not recommended for all audiences.
Forum: Zongshen RX3 06-23-2016, 01:15 PM
Replies: 226
Views: 39,306
Posted By pyoungbl
Great idea! I think I still have a piston out of...

Great idea! I think I still have a piston out of a Ducati 1000DS so I can just turn it down a RCH (technical turn used in a machine shop) and Bob's your Uncle! At the same time I think it best to...
Forum: Zongshen RX3 06-22-2016, 04:04 PM
Replies: 226
Views: 39,306
Posted By pyoungbl
Katflap, I have been dying for an excuse to use a...

Katflap, I have been dying for an excuse to use a boreing bar on my mill, looks like you have opened up an opportunity for me.
Forum: Zongshen RX3 06-21-2016, 08:35 PM
Replies: 226
Views: 39,306
Posted By pyoungbl
OK, just talked with Watt-Man and ordered a 195F...

OK, just talked with Watt-Man and ordered a 195F thermostat. By the time I get back from my summer walkabout (late July) I should be ready to plumb in a 3/8" bypass and the hotter 'stat. Then the...
Forum: Zongshen RX3 06-12-2016, 09:15 PM
Replies: 226
Views: 39,306
Posted By pyoungbl
I'm giving that some thought. Right now I am...

I'm giving that some thought. Right now I am focused on an upcoming coast to coast trip (USA) on my Stelvio. After that trip I'll pull the Zong thermostat assembly apart to see what my options...
Forum: Zongshen RX3 06-12-2016, 06:10 PM
Replies: 226
Views: 39,306
Posted By pyoungbl
https://photos.smugmug.com/Motorcycles/2016-Zongch...

https://photos.smugmug.com/Motorcycles/2016-Zongchen-RX3/i-hWNk8Wd/0/M/IMG_1634-M.jpg
"A grinder and paint makes me the welder I ain't". Old welding proverb.
At any rate, I'm making slow progress...
Forum: Zongshen RX3 06-10-2016, 05:31 PM
Replies: 226
Views: 39,306
Posted By pyoungbl
OK, making some progress now. I built up the...

OK, making some progress now. I built up the aluminum on the water pump housing, milled a flat, and drilled/tapped for 1/4" NPT. Paint now drying to hide all my faults!...
Forum: Zongshen RX3 06-10-2016, 10:05 AM
Replies: 226
Views: 39,306
Posted By pyoungbl
The ID of that housing is probably only about 1"...

The ID of that housing is probably only about 1" and thus a tight radius. A nut inside the housing would only grab on the edges unless I was able to use a thicker nut and grind a radius onto the...
Forum: Zongshen RX3 06-09-2016, 05:51 PM
Replies: 226
Views: 39,306
Posted By pyoungbl
OK, if I understand this correctly...you have a...

OK, if I understand this correctly...you have a 180F thermostat (82C) but the engine is only getting up to 160F (60C). I'm wondering if the thermostat is opening, sending 180F coolant to the two...
Forum: Zongshen RX3 06-06-2016, 09:22 PM
Replies: 226
Views: 39,306
Posted By pyoungbl
My experience, limited as it is, is that cast...

My experience, limited as it is, is that cast aluminum is a real bitch to weld to. There is something about the molecular structure of cast metal that just does not lend itself to welding. Smarter...
Forum: Zongshen RX3 06-06-2016, 08:59 PM
Replies: 226
Views: 39,306
Posted By pyoungbl
Katflap, I now have a water pump housing...

Katflap,
I now have a water pump housing to play with. The plan is to figure out how to create a bypass circuit. After a few visits to the normal outlets (Home Depot, a hydraulic repair...
Forum: Zongshen RX3 06-05-2016, 08:43 PM
Replies: 226
Views: 39,306
Posted By pyoungbl
Oh, looking at the photo I thought the sensor was...

Oh, looking at the photo I thought the sensor was after the right radiator. I guess I need to take a closer look at my own bike.
Forum: Zongshen RX3 06-05-2016, 05:05 PM
Replies: 226
Views: 39,306
Posted By pyoungbl
Juanro, in the stock arrangement you are correct....

Juanro, in the stock arrangement you are correct. I was talking about Katflap's meter, which is taking information from a sensor he mounted in one of the radiator hoses. Thus, he's getting the temp...
Forum: Zongshen RX3 06-05-2016, 04:10 PM
Replies: 226
Views: 39,306
Posted By pyoungbl
I suspect that the thermostat is opening until it...

I suspect that the thermostat is opening until it gets a slug of cold water, then closes. The hot water that passes through the thermostat gets cooled by a radiator so when it gets to the temp...
Forum: Zongshen RX3 05-28-2016, 07:55 PM
Replies: 226
Views: 39,306
Posted By pyoungbl
The issue is not so much fuel in the oil as what...

The issue is not so much fuel in the oil as what happens to the lubrication properties of the oil when you get too much fuel mixed with that oil. The oil analysis I have gotten shows excess fuel in...
Forum: Zongshen RX3 05-27-2016, 09:03 PM
Replies: 226
Views: 39,306
Posted By pyoungbl
Ask Luke to take a look at the water pump...

Ask Luke to take a look at the water pump housing. It seems to me that if the OEM snout is too thin there must be a way to cast a snout with a built in bypass. He's an engineer so he can come up...
Forum: Zongshen RX3 05-27-2016, 04:17 PM
Replies: 226
Views: 39,306
Posted By pyoungbl
Now the issue is where to "T" into the water pump...

Now the issue is where to "T" into the water pump intake hose. The water pump housing itself is cast metal, I did not check to see if ferrous or not. The snout is fairly long, maybe 2". Think...
Showing results 1 to 25 of 34
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