Lifan X-pect 200 Exhaust upgrade

drew · 05-25-2021, 09:12 PM

does anyone whos done an upgrade on this bikes exhaust system know the size of the o2 sensor bung? im going to weld a new one on the new pipe but i do not know what size to order. I plan on ordering a few in case i botch it haha

ohhwerd · 06-02-2021, 04:07 PM

from another thread not sure if you saw it

12mm o2 sensor

TxTaoRider · 06-02-2021, 04:39 PM

I dont have an X xpect, but I did have a bung welded onto my exhaust on my tbr7 to tune with a wideband. I had a shop that wields in stainless do it so it wont rust.

Anyhoo, I'd like to make an observation. Use a taller bung if possible. The o2 sensor is a pretty large obstruction in that little tiny head pipe. Try to get just the tip in the pipe if possible.

Just my 2 cents....

**JerryHawk250** · 06-02-2021, 05:02 PM

Quote:

Originally Posted by TxTaoRider

I dont have an X xpect, but I did have a bung welded onto my exhaust on my tbr7 to tune with a wideband. I had a shop that wields in stainless do it so it wont rust.

Anyhoo, I'd like to make an observation. Use a taller bung if possible. The o2 sensor is a pretty large obstruction in that little tiny head pipe. Try to get just the tip in the pipe if possible.

Just my 2 cents....

2X on this. I install one on my X22R for tuning and wished i would of went with a taller bung.

05-25-2021, 09:12 PM	#1
drew Join Date: Apr 2021 Location: Northeast USA Posts: 7	Lifan X-pect 200 Exhaust upgrade does anyone whos done an upgrade on this bikes exhaust system know the size of the o2 sensor bung? im going to weld a new one on the new pipe but i do not know what size to order. I plan on ordering a few in case i botch it haha
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06-02-2021, 04:39 PM	#3
TxTaoRider Join Date: Oct 2020 Location: Flower Mound Texas Posts: 904	I dont have an X xpect, but I did have a bung welded onto my exhaust on my tbr7 to tune with a wideband. I had a shop that wields in stainless do it so it wont rust. Anyhoo, I'd like to make an observation. Use a taller bung if possible. The o2 sensor is a pretty large obstruction in that little tiny head pipe. Try to get just the tip in the pipe if possible. Just my 2 cents.... __________________ 2021 Tao Tbr7 - "Lucille" Mods so far- Brozz swingarm, 21" front rim (Bridgestone Tw302 rear/Dunlop D606 front tires), Digital gauge cluster, pz30b pumper carb, after market hand guards, aftermarket brake and clutch levers, round fold away mirrors, Fly handlebars shortened slightly, 13t front sprocket 2009 Q-link Legacy 250 1982 Suzuki GS1100ES - "Jolene"
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06-02-2021, 04:07 PM	#2
ohhwerd Join Date: Jan 2021 Posts: 6	from another thread not sure if you saw it 12mm o2 sensor
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