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08-09-2021, 06:14 PM | #1 |
Join Date: Sep 2020
Location: Virginia
Posts: 233
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Zongshen 230cc Exhaust Gasket
Hey guys - need some help. Finally got an exhaust that FIT my bike! Yay
Now - when I took off the stock pipe, I noticed there wasn't any crush washers to seal the exhaust up. What size do I need for the 230cc Zongshen? Not an RPS Hawk engine, more like the RXB230cc. I was going to measure the outside diameter of the exhaust port from the new pipe and go from there - but didn't know if there was a more 'exact' answer.
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08-09-2021, 08:41 PM | #3 |
Join Date: Oct 2016
Posts: 405
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Hey Plump, I wish I had that OHC engine in my bike! Here is what I got for my bike when I put on the aftermarket exhaust...https://www.amazon.com/dp/B01MZDNDMH...roduct_details
They may not be the same but it will give you a starting place...they are 40mm and fit probably 20 different Honda motorcycles plus our 229cc Chinabikes. I just figured it out...Plump Kibbles...translates to Fat Cat. Haha... Just searched Partzilla and for a CRF230f exhaust gasket is the same part number I have for the Amazon product, so here it is:https://www.partzilla.com/product/ho...836048a2e266ea |
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08-09-2021, 10:25 PM | #4 |
Join Date: Oct 2016
Posts: 405
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Also, when I removed the stock exhaust it almost looked like there was no previous gasket...so I grabbed a flashlight and used this pick tool...and it popped out! I would've swore there wasn't a gasket in there, as it is was the exact same color of the metal around it. Just an FYI.
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08-10-2021, 07:51 PM | #5 |
Join Date: Sep 2020
Location: Virginia
Posts: 233
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I would, Franque - buuut, when I got other CRF230F parts - shift lever being one; it didn't fit / match the shifting shaft size or teeth at all.. sadly. So I also have an unused JRF Racing brake lever I can't use now either lol The CRF exhaust really did me in though - didn't fit at alllllll... So, I do have a Power Core 2 exhaust, unused, unbolted - for sale!
Stewbash - I actually got the plumpkibbles thing from my very first Xbox gamertag! I autogenerated until I saw something that was at least comical lol but.. THAT is the exact same thing I must be looking at - looks exactly the same..... and if that is - would I even need to change it out?? I have kinda thought about it before, taking it off from trying to fit the other non-fitting pipe a few times. Only reason I'm asking because I did see if you change out the pipe, might as well change the gasket too - from reading. Buuut, if that's kosher to keep it on, and not have to change it - I'm good with that lol Doesn't look chewed up or anything like it wouldn't seal. Just me being cautious I suppose.
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08-10-2021, 11:38 PM | #7 |
Join Date: Aug 2020
Location: Australia
Posts: 1,408
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https://www.aliexpress.com/item/33041336528.html?
Ali X sells them 2 main sizes smaller 1"/1.3" 24mm/30mm and 1.2"/1.6" 30mm/40mm. Just searching cg250 exhaust gasket can show up both sizes. they are all mostly the hollow cheap crush type, not a solid a solid copper ring so dont let the colors fool you. |
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08-10-2021, 11:46 PM | #8 |
Join Date: Oct 2016
Posts: 405
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After looking at Xlsior's link, down below I found these-the exact kind that came in the bike stock:https://www.aliexpress.com/item/1005...%2223416%22%7D
Just an FYI. |
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08-12-2021, 02:52 AM | #9 |
Join Date: Sep 2020
Location: Virginia
Posts: 233
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Saweet!
Thanks guys! Stew - I followed the first link from Amazon but was unavailable. Got the part number though, got some coming! XLsior - Plus one, another AliExpress user lol I also frequent BangGood for my RC stuff, mostly just the 'zon though. I may get some of those too just to have on hand. I did see a few different types through the search as well. Not an overload, but something I haven't gotten to yet. I'll probably just get a handful of each in the end; just to see if anything is really that much different. I did see some of the copper ring type on Amazon, not crush washer though - or if it was, didn't specify. Thanks again!
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08-16-2021, 10:15 AM | #10 |
Join Date: Sep 2020
Location: Virginia
Posts: 233
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Got everything on! Sounds very aggressive now!! The little 250 has come alive!
+1 for the help on which crush washer to get - saved that order for later. The stock gasket was a little chewed up after all - not too too bad, but I thought I could feel some heat coming from the header pipe.. no leaks now! Should I go back after it cools down and tighten the header bolts a little - settle in the crush washer? Just a random thought. Go figure it would be raining currently - so I can't take it out to see how much gains I've.. gained I may post an FYI thread to let others know that this catless pipe from Orion for the RXB250 DOES fit for the X-Pro 250 bikes. You will need to improvise for the muffler. I got a slip on lap joint from the 'Zon - 51mm to 50mm. I'm going to take some thin sheet metal and make a little seal to clamp around to get it closed up all the way. In any case - still got a Power Core 2 CRF exhaust unused - I will make a thread for that..
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