CSC/Zongshen Mileage Milestones - Page 8

jbfla · 04-22-2017, 01:48 AM

Quote:

Originally Posted by SpudRider

Yes, I think my odometer now reads about 25,340 miles.

...

Spud, congrats on the 25k miles.

Have your valve clearances "settled in" yet?

jb

SpudRider · 04-22-2017, 02:41 AM

Quote:

Originally Posted by jbfla

Spud, congrats on the 25k miles.

Have your valve clearances "settled in" yet?

jb

After about 16,000 miles, the exhaust valves finally stabilized, but the intake valves did not. Therefore, I suspected my intake valves were receding into the valve seats. Last fall, after performing a leak test, I got authorization from Gerry at CSC to take apart my engine. With the engine apart, I discovered major recession of the intake valves.

I repaired my engine this winter, under warranty coverage. I plan to post a thread on this topic, and my engine repair, in the next week.

My engine has been running well for about 3,000 miles after the repair. In the near future I will recheck my valve clearances.

jbfla · 04-22-2017, 11:02 AM

Thanks for the update.

jb

BlackBike · 04-22-2017, 05:43 PM

I know this is not the place but when you post the new thread , please explain receding in valve seats and which are intake valves etc. And your idea of why it happened. Like I said don't bother here. But always want to learn all I can

This is something to pay attention if I'm am going to be a future 450zong owner

Ty spud

SpudRider · 04-22-2017, 09:04 PM

Quote:

Originally Posted by BlackBike

I know this is not the place but when you post the new thread , please explain receding in valve seats and which are intake valves etc. And your idea of why it happened. Like I said don't bother here. But always want to learn all I can

This is something to pay attention if I'm am going to be a future 450zong owner

Ty spud

Yes, I will make a point to explain these matters more thoroughly in my thread.

In the photograph above, the intake valves are the larger valves. An experienced eye will notice the intake valves have sunken (receded) into the cylinder head farther than the smaller, exhaust valves.

DoomWeasel · 04-23-2017, 06:19 PM

No where near Spuds mileage but I passed 9000 miles this weekend.

SpudRider · 04-27-2017, 01:06 AM

I have posted my engine rebuild thread at the following link. After I complete the technical portion of the thread, I will open the thread for comments.

http://www.chinariders.net/showthread.php?t=18895

rjmorel · 04-27-2017, 02:58 AM

Very cool Spud, I take it the bike was still running OK, just not able to keep the valve adj in speck? Was it dying on you when coming to a stop like the characteristic "too small of valve gap " does? Transmission, clutch, cylinder , piston and rings all still good to go? rj

SpudRider · 04-27-2017, 03:32 AM

Quote:

Originally Posted by rjmorel

Very cool Spud, I take it the bike was still running OK, just not able to keep the valve adj in speck? Was it dying on you when coming to a stop like the characteristic "too small of valve gap " does? Transmission, clutch, cylinder , piston and rings all still good to go? rj

Yes, the bike was running well, except the engine would die while coasting to a stop.

The transmission, clutch and cylinder were in good condition.

All the other details are covered in my repair thread, which is now open for questions and comments.

AdAn82 · 05-10-2017, 09:38 AM

1000 miles on the clock!

Not bad for only having it for 2 weeks haha

Taking a trip down to the Keys this weekend!

vttrailboss · 05-10-2017, 04:40 PM

500! Lol... not bad since I have yet to ride in the 60's or higher.a little snow, though.

AdAn82 · 05-30-2017, 03:47 PM

2k and going strong!

jogirob · 06-02-2017, 06:13 PM

800 miles. Stalling when coasting to a stop between miles 250-300 but went away when I added the proper amount of recommended fuel additive at every fill up. Been good since. I also wrapped some metallic heat shield tape under the exhaust clamp to keep my right pant leg from getting singed

Other than that I'm surprised how it gets me and my pug chug to my off-road destination safely, I can beat it to hell, and it happily takes me back home. Nice solid build.

fjmartin · 06-02-2017, 08:00 PM

Just a hair under 8000 miles. Between the Touratech rally this month and my July Alaska trip I'll get it up over 11000 by mid-july. Still going strong!

ElectricCircus · 06-02-2017, 08:04 PM

Last week I´ve reached the 10,000km milestone while riding at the beautiful Patagonian lakes and mountains

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04-22-2017, 11:02 AM	#108
jbfla Join Date: Oct 2015 Location: FL, GA, NC Posts: 771	Thanks for the update. jb __________________ 2016 Honda CB500F......2017 Triumph Street Twin 2014 XT 250........
	1

04-22-2017, 05:43 PM	#109
BlackBike Join Date: Feb 2016 Location: George West, Texas Posts: 4,097	I know this is not the place but when you post the new thread , please explain receding in valve seats and which are intake valves etc. And your idea of why it happened. Like I said don't bother here. But always want to learn all I can This is something to pay attention if I'm am going to be a future 450zong owner Ty spud __________________ ***************************************** 2015 Bashan"Blaze" BS250GY-31 (DB-07K-250) GONE 2017 Suzuki V Strom 650 XT "We are all born ignorant, but one must work hard to remain stupid." ~Benjamin Franklin~
	0

04-23-2017, 06:19 PM	#111
DoomWeasel Join Date: Feb 2016 Location: Tampa Bay Region Posts: 26	No where near Spuds mileage but I passed 9000 miles this weekend. __________________ Eric 2016 CSC RX3 Sahara Orange
	2

04-27-2017, 01:06 AM	#112
SpudRider Join Date: Jul 2008 Location: Idaho Posts: 25,054	I have posted my engine rebuild thread at the following link. After I complete the technical portion of the thread, I will open the thread for comments. http://www.chinariders.net/showthread.php?t=18895 __________________ Spud "Never argue with an idiot. He will drag you down to his level, and beat you with experience." Mark Twain 2015 Zongshen ZS250GY-3 (RX3) 2006 Zongshen ZS200GY-2 (Sierra 200) 2005 Honda XR650L 2004 Honda CRF250X 1998 Kawasaki KDX220 Mods made to my Zongshen ZS200GY-2: http://www.chinariders.net/showthread.php?t=6894
	0

04-27-2017, 02:58 AM	#113
rjmorel Join Date: May 2007 Location: Warshington Posts: 928	Very cool Spud, I take it the bike was still running OK, just not able to keep the valve adj in speck? Was it dying on you when coming to a stop like the characteristic "too small of valve gap " does? Transmission, clutch, cylinder , piston and rings all still good to go? rj __________________ Live Zong, and Prosper
	0

05-10-2017, 09:38 AM	#115
AdAn82 Join Date: Apr 2017 Location: Sarasota, FL Posts: 19	1000 miles on the clock! Not bad for only having it for 2 weeks haha Taking a trip down to the Keys this weekend! __________________ Adrian 2016 CSC RX3 2015 TaoTao 50 2006 GSX-R 600 (retired) "If the world didn't suck, we'd all fall off"
	3

05-10-2017, 04:40 PM	#116
vttrailboss Join Date: Jan 2017 Location: Vermont Posts: 62	500! Lol... not bad since I have yet to ride in the 60's or higher.a little snow, though. __________________ Newest machine: 2020... Oldest: 1916'ish
	1

06-02-2017, 06:13 PM	#118
jogirob Join Date: Mar 2017 Location: west Sacramento, ca Posts: 36	800 miles. Stalling when coasting to a stop between miles 250-300 but went away when I added the proper amount of recommended fuel additive at every fill up. Been good since. I also wrapped some metallic heat shield tape under the exhaust clamp to keep my right pant leg from getting singed Other than that I'm surprised how it gets me and my pug chug to my off-road destination safely, I can beat it to hell, and it happily takes me back home. Nice solid build.
	1

06-02-2017, 08:00 PM	#119
fjmartin Join Date: Sep 2016 Location: Redmond, WA. Posts: 534	Just a hair under 8000 miles. Between the Touratech rally this month and my July Alaska trip I'll get it up over 11000 by mid-july. Still going strong! __________________ 2017 BMW F800GS Adventure
	2

06-02-2017, 08:04 PM	#120
ElectricCircus Join Date: Sep 2015 Location: Neuquén, Argentina Posts: 128	First 10,000km (6213mi) Last week I´ve reached the 10,000km milestone while riding at the beautiful Patagonian lakes and mountains __________________ ______________ - ex Honda MB100 (1981) - ex Honda Nighthawk 250 (1991) - ex Honda Storm 125 (2009) - ex Corven Triax 250 Touring (2016) (Zongshen RX3 carb) Benelli TRK 502 (2018)
	4