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05-22-2022, 11:57 AM | #1 |
Join Date: Mar 2022
Location: Off-Grid/Instagram
Posts: 21
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I found a direct bolt-on exhaust system for my Lifan X-Pect!!!
There were two modifications to the exhaust that needed to be made, but no modifications to the X-Pect or it's exhaust mounts were needed. The sides of the exhaust flange have to be opened with a cutting disc since the Lifan's bolt pattern is a little wider though that's easy enough. Also, you can re-use all the factory exhaust bolts at all the factory attachment points. However, a small 1/8th-1/16th strip of steel you can mark for a set of a set of bolts is the only other thing you need. A slight twist to it will keep the mount tucked under the X-Pect's body panels comfortably. It sounds great and works beautifully!!!
As a side note, there wasn't an exhaust gasket on the factory manifold. I already did the valve adjustment, but there was a slight bit of pre-ignition noise. As it turns out it was an exhaust leak interfering with the oxygen sensor's readings. I used a 2000 degree exhaust seal paste to seal around the header and it stopped the pre-ignition sounds in the valvetrain cover completely. If anyone else still has any pre-ignition issues, which will almost sound lick a light ticking from the combustion chamber. Seal the header with some of this exhaust sealer, it can also be sanded and painted as well. (Exhaust System) www.amazon.com/gp/product/B07B2DTZ6H (Exhaust Sealer) www.amazon.com/gp/product/B07GDVKHMN |
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05-22-2022, 06:04 PM | #2 |
Join Date: Sep 2021
Location: De Soto, MO
Posts: 1,943
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Good work and thanks for sharing! Have an extra cookie.
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2021 Lifan Xpect--sold 2022 Lifan KPX 1972 Honda CT90--The Carrot 1969 Honda CT90--The Tomahto Cheesy is the WDK (workplace drama king). Now retired. Nope, back in the saddle. Nope, finally retired. Climate: The Movie https://www.youtube.com/watch?v=A24fWmNA6lM How our government really works https://www.youtube.com/watch?v=QjadCd0VRBw Question all authority.....think for yourself |
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05-22-2022, 06:59 PM | #3 |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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I probably would have just replaced the exhaust gasket in the cylinder head myself. They are cheap. No sealant needed.
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Hawk Information and Resource guide: http://www.chinariders.net/showthread.php?t=20331 2018 Hawk 250 - Full Mod list here. http://www.chinariders.net/showpost....62&postcount=1 2024 Royal Enfield Shotgun 650 https://chinariders.net/showthread.php?t=34124 |
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05-22-2022, 09:09 PM | #4 |
Join Date: Dec 2019
Posts: 77
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did it have the o2 bung?
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05-22-2022, 09:42 PM | #5 |
Join Date: May 2022
Location: Washington
Posts: 25
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Does the X-pect have the same Honda motor as the CRF 230?
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05-24-2022, 02:17 PM | #6 |
Join Date: Mar 2022
Location: Off-Grid/Instagram
Posts: 21
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I installed a 12mm O2 Bung, the shops will tell you it'll affect the finish. Though an exhaust wrap looks good on it. ^_^
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05-24-2022, 05:42 PM | #7 |
Join Date: Mar 2022
Location: Off-Grid/Instagram
Posts: 21
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She sounds great!!!
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05-28-2022, 05:55 PM | #8 |
Join Date: Sep 2021
Location: De Soto, MO
Posts: 1,943
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So what experience have you had with increased power from your intake/exhaust mods? Getting up hills, top speed, etc.
__________________
2021 Lifan Xpect--sold 2022 Lifan KPX 1972 Honda CT90--The Carrot 1969 Honda CT90--The Tomahto Cheesy is the WDK (workplace drama king). Now retired. Nope, back in the saddle. Nope, finally retired. Climate: The Movie https://www.youtube.com/watch?v=A24fWmNA6lM How our government really works https://www.youtube.com/watch?v=QjadCd0VRBw Question all authority.....think for yourself |
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